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Gladstone Commercial Corporation - Preferred Security
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LEI 529900EVVV534W8R0T32
CIK 1234006
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Gladstone Commercial Corporation - Preferred Security
SEC Filings (Chronological Order)
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August 12, 2025 424B5

Up to $250,000,000 Common Stock

424B5 Filed pursuant to Rule 424(b)(5) Registration File No. 333-277877 Supplement dated August 12, 2025 To Prospectus Supplement dated March 26, 2024 (To Prospectus dated March 21, 2024) Up to $250,000,000 Common Stock This supplement (this “Supplement”) updates and supplements the prospectus supplement, dated March 26, 2024 (the “Prospectus Supplement”), filed with the Securities and Exchange Co

August 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2025 Gladstone Commerc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2025 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commi

August 12, 2025 EX-1.1

AMENDMENT NO. 2 TO THE AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT

EX-1.1 Exhibit 1.1 AMENDMENT NO. 2 TO THE AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT August 12, 2025 BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 GOLDMAN SACHS & CO. LLC 200 West Street New York, New York 10282 HUNTINGTON SECURITIES, INC. 41 South High Street Columbus, Ohio 43215 KEYBANC CAPITAL MARKETS INC. 127 Public Square, 7th Floor Cleveland, Ohio 44114 FIFTH THIRD SECURI

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 6, 2025 Gladstone Commerci

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 6, 2025 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

August 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 00

August 6, 2025 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock and Senior Common Stock as of June 30, 2025.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of June 30, 2025, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed

August 6, 2025 EX-99.1

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2025

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2025 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

June 2, 2025 EX-10.1

Term Loan Agreement, dated as of May 30, 2025, by and among Gladstone Commercial Limited Partnership, as borrower, Gladstone Commercial Corporation, as guarantor, KeyBank National Association, as lender and agent, and the other lenders which are parties to the agreement.

Exhibit 10.1 TERM LOAN AGREEMENT DATED AS OF MAY 30, 2025 by and among GLADSTONE COMMERCIAL LIMITED PARTNERSHIP, AS BORROWER, GLADSTONE COMMERCIAL CORPORATION, AS A GUARANTOR, KEYBANK NATIONAL ASSOCIATION, THE OTHER LENDERS WHICH ARE PARTIES TO THIS AGREEMENT, and OTHER LENDERS THAT MAY BECOME PARTIES TO THIS AGREEMENT, AS LENDERS, and KEYBANK NATIONAL ASSOCIATION, AS AGENT TABLE OF CONTENTS Page

June 2, 2025 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): June 2, 2025 (May 30, 2025) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorpora

May 7, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 7, 2025 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 7, 2025 EX-99.1

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2025

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2025 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

May 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 0

May 7, 2025 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of March 31, 2025.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of March 31, 2025, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewe

May 1, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 1, 2025 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

March 14, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, f

March 14, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confid

February 18, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-330

February 18, 2025 EX-99.1

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2024

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2024 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

February 18, 2025 EX-4.6

Description of the Registrant’s securities registered pursuant to Section 12 of the Exchange Act (filed herewith).

Exhibit 4.6 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (which we refer to as “we,” “us,” or the “Company”) has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock, par value $0.001 per share (“common

February 18, 2025 EX-21

List of Subsidiaries of the Registrant (filed herewith).

Exhibit 21 SUBSIDIARIES OF GLADSTONE COMMERCIAL CORPORATION Delaware 2525 N Woodlawn Vstrm Wichita KS, LLC 260 Springside Drive Akron OH LLC ABC12 Ottumwa IA LLC AFL05 Duncan SC LLC AFL05 Duncan SC Member LLC AL13 Brookwood LLC AL15 Birmingham LLC ALFTPI01 GOOD 403 Airport Road West LLC ALFTPI02 GOOD 1202 Echols Drive West LLC ALHSVI01 GOOD 130 Vintage Drive LLC ALMGMI01 GOOD 111 Folmar Parkway LLC ALVANI02 GOOD 11198 Will Walker Road LLC APML07 Hialeah FL LLC AZTUC901 GOOD 3381 East Global Loop LLC C08 Fridley MN LLC CBP11 Green Tree PA GP LLC CBP11 Green Tree PA, L.

February 18, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 18, 2025 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 18, 2025 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of December 31, 2024 (filed herewith).

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of December 31, 2024, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service revi

February 18, 2025 EX-19

Insider Trading Policy (filed herewith).

Appendix A-1 Appendix A Insider Trading Policy For Gladstone Capital Corporation Gladstone Commercial Corporation Gladstone Investment Corporation Gladstone Land Corporation Gldastone Alternative Income Fund Gladstone Management Corporation Gladstone Administration LLC Gladstone Securities, LLC and their subsidiaries This Insider Trading Policy (the “Policy”) has been adopted to comply with Rules 17j-l under the Investment Company Act of 1940 (the “Investment Company Act”) and 204A under the Investment Advisers’ Act of 1940 (the “Advisers’ Act”) (the “Rules”).

December 19, 2024 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 18, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

December 19, 2024 EX-10.2

Unconditional Guaranty of Payment and Performance, dated December 18, 2024, between Gladstone Commercial Corporation and the other guarantors party thereto.

Exhibit 10.2 EXECUTION VERSION UNCONDITIONAL GUARANTY OF PAYMENT AND PERFORMANCE FOR AND IN CONSIDERATION OF the sum of Ten and No/100 Dollars ($10.00) and other good and valuable consideration paid or delivered to the undersigned GLADSTONE COMMERCIAL CORPORATION, a Maryland corporation (the “Parent”), EACH OF THE ENTITIES IDENTIFIED AS “SUBSIDIARY GUARANTORS” ON THE SIGNATURE PAGES HEREOF (the “I

December 19, 2024 EX-10.1

Form of 6.47% Senior Guaranteed Notes due December 18, 2029, included as Schedule 1 to the Note Purchase Agreement, incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed December 19, 2024.

Exhibit 10.1 EXECUTION VERSION GLADSTONE COMMERCIAL LIMITED PARTNERSHIP AND GLADSTONE COMMERCIAL CORPORATION $75,000,000 6.47% Senior Guaranteed Notes due December 18, 2029 NOTE PURCHASE AGREEMENT Dated December 18, 2024 TABLE OF CONTENTS SECTION HEADING PAGE SECTION 1. AUTHORIZATION OF NOTES; CHANGES IN INTEREST RATE 1 Section 1.1. Authorization of Notes 1 Section 1.2. Changes in Interest Rate 1

December 4, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2024 (December 3, 2024) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of I

December 2, 2024 CORRESP

***

CORRESP November 27, 2024 VIA EMAIL Ms. Kellie Kim U.S. Securities and Exchange Commission Division of Corporation Finance Office of Real Estate & Construction 100 F Street N.E. Washington, D.C. 20549 RE: Gladstone Commercial Corporation Form 10-K for the fiscal year ended December 31, 2023 File No. 001-33097 Dear Ms. Kim: On behalf of Gladstone Commercial Corporation (the “Company”) we are provid

November 15, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2024 (November 13, 2024) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of

November 15, 2024 EX-99.1

Gladstone Commercial Corporation Announces Retirement of Chief Operating Officer Terry Lee Brubaker

Exhibit 99.1 Gladstone Commercial Corporation Announces Retirement of Chief Operating Officer Terry Lee Brubaker MCLEAN, VA, November 15, 2024: Gladstone Commercial Corporation (Nasdaq: GOOD) (the “Company”) announced that Terry Lee Brubaker will be retiring as Chief Operating Officer of the Company effective December 2, 2024. Mr. Brubaker is also retiring as director and executive officer of Glad

November 4, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBE

November 4, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 4, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

November 4, 2024 EX-10.1

First Amendment to Fourth Amended and Restated Credit Agreement and Other Loan Documents, dated as of January 18, 2023, by and among Gladstone Commercial Limited Partnership, as borrower, Gladstone Commercial Corporation and certain of its wholly owned subsidiaries, as guarantors, each of the financial institutions initially a signatory thereto together with their successors and assignees, as lenders, and KeyBank National Association, as lender and agent.

1 USACTIVE\122644612\V-2 FIRST AMENDMENT TO FOURTH AMENDED AND RESTATED CREDIT AGREEMENT THIS FIRST AMENDMENT TO FOURTH AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”), dated as of January 18, 2023, by and among GLADSTONE COMMERCIAL LIMITED PARTNERSHIP, a Delaware limited partnership (“Borrower”), GLADSTONE COMMERCIAL CORPORATION, a Maryland corporation (“Parent”), the other “Guarantors”

November 4, 2024 EX-99.1

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2024

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2024 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

November 4, 2024 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of September 30, 2024.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of September 30, 2024, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service rev

August 22, 2024 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commi

August 22, 2024 EX-99.1

Gladstone Commercial Corporation Announces Election of Katharine Cornell Gorka as Director

Exhibit 99.1 Gladstone Commercial Corporation Announces Election of Katharine Cornell Gorka as Director MCLEAN, VA, August 22, 2024 – Gladstone Commercial Corporation (Nasdaq: GOOD) (“Gladstone Commercial”) announced that Katharine Cornell Gorka has been elected to the 2027 class of Directors for the Company, effective August 22, 2024. Ms. Gorka, 64, is the President of Threat Knowledge Group, whi

August 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 00

August 6, 2024 EX-99.1

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2024

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2024 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

August 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 6, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

August 6, 2024 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock and Senior Common Stock as of June 30, 2024.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of June 30, 2024, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed

May 6, 2024 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of March 31, 2024.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of March 31, 2024, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewe

May 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 6, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 6, 2024 EX-99.1

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2024

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2024 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

May 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 0

May 2, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 2, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 1, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 1, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 1, 2024 424B5

Maximum of 19,088,864 Shares in Primary Offering Maximum of 5,949,560 Shares Pursuant to Dividend Reinvestment Plan 6.00% Series F Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 Per Share)

Table of Contents Filed pursuant to Rule 424(b)(5) Registration File No. 333-277877 PROSPECTUS SUPPLEMENT (To Prospectus dated March 21, 2024) Maximum of 19,088,864 Shares in Primary Offering Maximum of 5,949,560 Shares Pursuant to Dividend Reinvestment Plan 6.00% Series F Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 Per Share) We are offering a maximum of 19,088,864 shares

March 26, 2024 424B5

Up to $250,000,000 Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-277877 PROSPECTUS SUPPLEMENT (To Prospectus dated March 21, 2024) Up to $250,000,000 Common Stock On March 3, 2023, we previously entered into an At-the-Market Equity Offering Sales Agreement (the “Original Agreement”), with Robert W. Baird & Co. Incorporated, Goldman Sachs & Co. LLC, BofA Securities Inc., KeyBanc Ca

March 26, 2024 EX-1.1

Amendment No. 1 to the At-the-Market Equity Offering Sales Agreement, dated March 26, 2024, by and among Gladstone Commercial Corporation, Gladstone Commercial Limited Partnership, BofA Securities, Inc., Goldman Sachs & Co. LLC, Robert W. Baird & Co. Incorporated, KeyBanc Capital Markets Inc. and Fifth Third Securities, Inc.

Exhibit 1.1 Execution Version AMENDMENT NO. 1 TO THE AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT March 26, 2024 BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 GOLDMAN SACHS & CO. LLC 200 West Street New York, New York 10282 ROBERT W. BAIRD & CO. INCORPORATED 777 E. Wisconsin Avenue Milwaukee, Wisconsin 53202 KEYBANC CAPITAL MARKETS INC. 127 Public Square, 7th Floor Cleveland, Ohi

March 26, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of earliest event reported: March 26, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commission File Number)

March 19, 2024 CORRESP

March 19, 2024

March 19, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

March 13, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use o

March 13, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒       Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐

March 13, 2024 EX-4.5

Form of Indenture

Exhibit 4.5 FORM OF INDENTURE GLADSTONE COMMERCIAL CORPORATION INDENTURE Dated as of [ ● ],     [ ● ] Trustee CROSS-REFERENCE TABLE* Trust Indenture Act Section Indenture Section 310(a)(1) 7.10 (a)(2) 7.10 (a)(3) N.A. (a)(4) N.A. (a)(5) 7.10 (b) 7.10 (c) N.A. 311(a) 7.11 (b) 7.11 (c) N.A. 312(a) 2.06 (b) 12.03 (c) 12.03 313(a) 7.06 (b)(2) 7.06; 7.07 (c) 7.06; 12.02 (d) 7.06 314(a) 4.03; 12.02; 12.

March 13, 2024 S-3

As filed with the Securities and Exchange Commission on March 13, 2024

Table of Contents As filed with the Securities and Exchange Commission on March 13, 2024 Registration No.

March 13, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables FORM S-3 (Form Type) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title(1) Fee Calculation Amount  Registered  Proposed Maximum  Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward  Form Type

February 21, 2024 EX-21

List of Subsidiaries of the Registrant (filed herewith).

Exhibit 21 SUBSIDIARIES OF GLADSTONE COMMERCIAL CORPORATION Delaware 2525 N Woodlawn Vstrm Wichita KS, LLC 260 Springside Drive Akron OH LLC ABC12 Ottumwa IA LLC ACI06 Champaign IL LLC AFL05 Duncan SC LLC AFL05 Duncan SC Member LLC AFR11 Parsippany NJ LLC AL13 Brookwood LLC AL15 Birmingham LLC ALFTPI01 GOOD 403 Airport Road West LLC ALFTPI02 GOOD 1202 Echols Drive West LLC ALHSVI01 GOOD 130 Vintage Drive LLC ALMGMI01 GOOD 111 Folmar Parkway LLC ALVANI02 GOOD 11198 Will Walker Road LLC APML07 Hialeah FL LLC AZTUC901 GOOD 3381 East Global Loop LLC C08 Fridley MN LLC CA14 Rancho Cordova GP LLC CA14 Rancho Cordova LP CBP11 Green Tree PA GP LLC CBP11 Green Tree PA, L.

February 21, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 21, 2024 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 21, 2024 EX-97.1

Gladstone Commercial Corporation Compensation Recoupment Policy (filed herewith).

Exhibit 97.1 Gladstone Commercial Corporation Compensation Recoupment Policy 1. Purpose. The purpose of this Compensation Recoupment Policy of the Company (as amended from time to time, the “Policy”), dated as of October 10, 2023 (the “Adoption Date”) is to describe the circumstances in which current and former Executive Officers will be required to repay or return Erroneously Awarded Compensation

February 21, 2024 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of December 31, 2023 (filed herewith).

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of December 31, 2023, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service revi

February 21, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-330

February 21, 2024 EX-99.1

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2023

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2023 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

February 21, 2024 EX-4.6

Description of the Registrant’s securities registered pursuant to Section 12 of the Exchange Act (filed herewith).

Exhibit 4.6 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (which we refer to as “we,” “us,” or the “Company”) has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock, par value $0.001 per share (“common

February 12, 2024 SC 13G/A

GOOD / Gladstone Commercial Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0008-gladstonecommercialco.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Gladstone Commercial Corp Title of Class of Securities: Common Stock CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: January 31, 2024 Check the appropriate box

February 12, 2024 SC 13G/A

GOOD / Gladstone Commercial Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Gladstone Commercial Corp Title of Class of Securities: Common Stock CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is fi

November 6, 2023 EX-99.1

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2023

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2023 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

November 6, 2023 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of September 30, 2023.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of September 30, 2023, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service rev

November 6, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 6, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

November 6, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBE

October 10, 2023 EX-3.1

Third Amendment to Bylaws of the Registrant, incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed October 10, 2023.

Exhibit 3.1 THIRD AMENDMENT TO BYLAWS OF GLADSTONE COMMERCIAL CORPORATION The following Amendment is hereby made to the Bylaws (the “Bylaws”) of Gladstone Commercial Corporation, a Maryland corporation (the “Corporation”), as of October 10, 2023: Article IV, Section 28 is hereby deleted in its entirety and replaced with the following: Section 28. Executive Committee. The Board of Directors may, bu

October 10, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): October 10, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

August 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 00

August 8, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 8, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

August 8, 2023 EX-99.1

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2023

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2023 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

August 8, 2023 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock and Senior Common Stock as of June 30, 2023.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of June 30, 2023, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed

August 8, 2023 EX-10.1

Eighth Amended and Restated Investment Advisory Agreement, dated July 11, 2023, by and between the Registrant and Gladstone Management Corporation, incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q (File No. 001-33097), filed August 8, 2023.

1 8th A&R Advisory Agreement – 7-11-2023 EIGHTH AMENDED AND RESTATED INVESTMENT ADVISORY AGREEMENT BETWEEN GLADSTONE COMMERCIAL CORPORATION AND GLADSTONE MANAGEMENT CORPORATION This EIGHTH Amended and Restated Investment Advisory Agreement Between Gladstone Commercial Corporation and Gladstone Management Corporation (this “Agreement”) is made this 11th day of July 2023, by and between Gladstone Commercial Corporation, a Maryland corporation (the “Company”), and Gladstone Management Corporation, a Delaware corporation (the “Adviser”).

July 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 11, 2023 Gladstone Commercia

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 11, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commiss

July 11, 2023 EX-99.1

Gladstone Commercial Corporation Announces Monthly Cash Distributions for July, August and September 2023 and Earnings Release and Conference Call Dates for its Second Quarter Ended June 30, 2023

EX-99.1 Exhibit 99.1 Gladstone Commercial Corporation Announces Monthly Cash Distributions for July, August and September 2023 and Earnings Release and Conference Call Dates for its Second Quarter Ended June 30, 2023 MCLEAN, VA, July 11, 2023: Gladstone Commercial Corporation (Nasdaq: GOOD) (the “Company”) announced today that its board of directors declared cash distributions for the months of Ju

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 4, 2023 Gladstone Commercial

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 4, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 3, 2023 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of March 31, 2023.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of March 31, 2023, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewe

May 3, 2023 EX-99.1

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2023

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2023 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

May 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 3, 2023 Gladstone Commercial

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 3, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 0

April 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 14, 2023 Gladstone Commerci

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 14, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

March 20, 2023 EX-99.1

GLADSTONE COMMERCIAL CORPORATION ANNOUNCES COMMON STOCK REPURCHASE AUTHORIZATION

EX-99.1 Exhibit 99.1 GLADSTONE COMMERCIAL CORPORATION ANNOUNCES COMMON STOCK REPURCHASE AUTHORIZATION MCLEAN, Va., March 20, 2023 – Gladstone Commercial Corporation (Nasdaq: GOOD) (the “Company”) announced that its board of directors has authorized a share repurchase program for up to $50,000,000 of the Company’s common stock. The repurchases are intended to be implemented through open market tran

March 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): March 20, 2023 Gladstone Commerci

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): March 20, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

March 17, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, fo

March 17, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, fo

March 7, 2023 424B5

Up to $250,000,000 Common Stock

424B5 Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-268549 SUPPLEMENT DATED MARCH 7, 2023 (To Prospectus Supplement dated March 3, 2023 To Prospectus dated November 23, 2022) Up to $250,000,000 Common Stock This supplement (this “Supplement”) amends and supplements the information in the prospectus, dated November 23, 2022 (the “Base Prospectus”), filed with the Securities and Ex

March 3, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount

EX-FILING FEES 2 d447039dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate O

March 3, 2023 424B5

Up to $250,000,000 Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No.

March 3, 2023 EX-1.1

At-the-Market Equity Offering Sales Agreement, dated March 3, 2023, by and among Gladstone Commercial Corporation, Gladstone Commercial Limited Partnership, BofA Securities, Inc., Goldman Sachs & Co. LLC, Robert W. Baird & Co. Incorporated, KeyBanc Capital Markets Inc. and Fifth Third Securities, Inc.

EX-1.1 Exhibit 1.1 GLADSTONE COMMERCIAL CORPORATION Common Stock ($0.001 par value per share) AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT March 3, 2023 BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 GOLDMAN SACHS & CO. LLC 200 West Street New York, New York 10282 ROBERT W. BAIRD & CO. INCORPORATED 777 E. Wisconsin Avenue Milwaukee, Wisconsin 53202 KEYBANC CAPITAL MARKETS INC. 127

March 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): March 3, 2023 Gladstone Commercia

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): March 3, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commiss

February 22, 2023 EX-99.1

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2022

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2022 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

February 22, 2023 EX-10.12

Seventh Amended and Restated Investment Advisory Agreement by and between the Registrant and Gladstone Management Corporation (filed herewith).

good-7tharinvestmentadvi

February 22, 2023 EX-21

List of Subsidiaries of the Registrant (filed herewith).

Exhibit 21 SUBSIDIARIES OF GLADSTONE COMMERCIAL CORPORATION Delaware 2525 N Woodlawn Vstrm Wichita KS, LLC 260 Springside Drive Akron OH LLC ABC12 Ottumwa IA LLC ACI06 Champaign IL LLC AFL05 Duncan SC LLC AFL05 Duncan SC Member LLC AFR11 Parsippany NJ LLC AL13 Brookwood LLC AL15 Birmingham LLC ALFTPI01 GOOD 403 Airport Road West LLC ALFTPI02 GOOD 1202 Echols Drive West LLC ALHSVI01 GOOD 130 Vintage Drive LLC ALMGMI01 GOOD 111 Folmar Parkway LLC ALVANI02 GOOD 11198 Will Walker Road LLC APML07 Hialeah FL LLC AZTUC901 GOOD 3381 East Global Loop LLC C08 Fridley MN LLC CA14 Rancho Cordova GP LLC CA14 Rancho Cordova LP CBP11 Green Tree PA GP LLC CBP11 Green Tree PA, L.

February 22, 2023 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of December 31, 2022.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of December 31, 2022, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service revi

February 22, 2023 EX-4.6

Description of the Registrant’s securities registered pursuant to Section 12 of the Exchange Act (filed herewith).

Exhibit 4.6 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (which we refer to as “we,” “us,” or the “Company”) has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock, par value $0.001 per share (“common

February 22, 2023 10-K

Annual Report on Form 10-K for the fiscal year ended December 31, 2022

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-330

February 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 22, 2023 Gladstone Comme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 22, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 9, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 9, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

February 9, 2023 SC 13G/A

GOOD / Gladstone Commercial Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Gladstone Commercial Corp. Title of Class of Securities: REIT CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ 

February 9, 2023 424B5

Maximum of 19,329,859 Shares in Primary Offering Maximum of 5,975,410 Shares Pursuant to Dividend Reinvestment Plan 6.00% Series F Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 Per Share)

Table of Contents Filed pursuant to Rule 424(b)(5) Registration File No. 333-268549 PROSPECTUS SUPPLEMENT (To Prospectus dated November 23, 2022) Maximum of 19,329,859 Shares in Primary Offering Maximum of 5,975,410 Shares Pursuant to Dividend Reinvestment Plan 6.00% Series F Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 Per Share) We are offering a maximum of 19,329,859 sha

February 9, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount

EX-FILING FEES 2 d779650dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate O

February 9, 2023 EX-1.1

First Amendment to Dealer Manager Agreement, dated as of February 9, 2023, by and between Gladstone Commercial Corporation and Gladstone Securities, LLC.

Exhibit 1.1 FIRST AMENDMENT TO DEALER MANAGER AGREEMENT February 9, 2023 Gladstone Securities, LLC 1521 Westbranch Drive, Suite 100 McLean, Virginia 22102 Attn: John Kent Ladies and Gentlemen: Reference is made to that certain Dealer Manager Agreement, dated as of February 20, 2020 (the “Dealer Manager Agreement”), by and between Gladstone Commercial Corporation, a Maryland corporation (the “Compa

February 7, 2023 8-K

Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 7, 2023 (February 2, 2023) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of I

February 1, 2023 SC 13G/A

GOOD / Gladstone Commercial Corporation / BlackRock Inc. Passive Investment

SC 13G/A 1 us3765361080013123.txt us3765361080013123.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 9) GLADSTONE COMMERCIAL CORPORATION - (Name of Issuer) Common Stock - (Title of Class of Securities) 376536108 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the a

January 10, 2023 EX-99.1

Gladstone Commercial Corporation Announces Monthly Cash Distributions for January, February and March 2023 and Fourth Quarter Ended December 31, 2022 Earnings Release and Conference Call Dates

Exhibit 99.1 Gladstone Commercial Corporation Announces Monthly Cash Distributions for January, February and March 2023 and Fourth Quarter Ended December 31, 2022 Earnings Release and Conference Call Dates MCLEAN, VA, January 10, 2023: Gladstone Commercial Corporation (Nasdaq: GOOD) (the “Company”) announced today that its board of directors declared cash distributions for the months of January, F

January 10, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 10, 2023 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

December 12, 2022 EX-99.1

GLADSTONE COMMERCIAL CORPORATION ANNOUNCES SHARE REPURCHASE AUTHORIZATION

Exhibit 99.1 GLADSTONE COMMERCIAL CORPORATION ANNOUNCES SHARE REPURCHASE AUTHORIZATION MCLEAN, Va., December 12, 2022 ? Gladstone Commercial Corporation (Nasdaq: GOOD) (the ?Company?) announced that its board of directors has authorized a share repurchase program for up to $20,000,000 of each of the Company?s 6.625% Series E Cumulative Redeemable Preferred Stock and 6.00% Series G Cumulative Redee

December 12, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): December 12, 2022 (December 6, 2022) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of

November 23, 2022 S-3ASR

As filed with the Securities and Exchange Commission on November 23, 2022

Table of Contents As filed with the Securities and Exchange Commission on November 23, 2022 Registration No.

November 23, 2022 EX-4.5

Form of Indenture, incorporated by reference to Exhibit 4.5 to the Registrant’s Registration Statement on Form S-3 (File No. 333-268549), filed November 23, 2022.

Exhibit 4.5 FORM OF INDENTURE GLADSTONE COMMERCIAL CORPORATION INDENTURE Dated as of [ ? ], [ ? ] Trustee CROSS-REFERENCE TABLE* Trust Indenture Act Section Indenture Section 310(a)(1) 7.10 (a)(2) 7.10 (a)(3) N.A. (a)(4) N.A. (a)(5) 7.10 (b) 7.10 (c) N.A. 311(a) 7.11 (b) 7.11 (c) N.A. 312(a) 2.06 (b) 12.03 (c) 12.03 313(a) 7.06 (b)(2) 7.06; 7.07 (c) 7.06; 12.02 (d) 7.06 314(a) 4.03; 12.02; 12.05 (

November 23, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carried Forward Form Type Carried Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Equity Common Stock, par value $0.

November 7, 2022 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of September 30, 2022.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of September 30, 2022, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service rev

November 7, 2022 EX-99.1

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2022

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2022 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

November 7, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBE

November 7, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 7, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

October 12, 2022 EX-99.1

Gladstone Commercial Announces Election of Paula Novara as Director

Exhibit 99.1 Gladstone Commercial Announces Election of Paula Novara as Director MCLEAN, VA, October 12, 2022? Gladstone Commercial Corporation (Nasdaq: GOOD) (the ?Company?) announced that Paula Novara had been elected to the 2024 class of Directors for the Company, effective October 11, 2022. Ms. Novara, age 53, has been Head of Resource Management of the Company since its founding. Ms. Novara i

October 12, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): October 12, 2022 (October 11, 2022) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of I

August 19, 2022 EX-99.1

Gladstone Commercial Amends, Extends and Upsizes Credit Facility

Exhibit 99.1 Gladstone Commercial Amends, Extends and Upsizes Credit Facility MCLEAN, VA, August 18, 2022 ? On August 18, 2022, Gladstone Commercial Corporation (Nasdaq: GOOD) announced today that it amended, extended and upsized its syndicated revolving credit and term loan facility from $325 million to $480 million. The term loan component was upsized by $135 million, while the revolving credit

August 19, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 18, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commi

August 19, 2022 EX-10.1

Fourth Amended and Restated Credit Agreement and Other Loan Documents, dated as of August 18, 2022 by and among Gladstone Commercial Limited Partnership, as borrower, Gladstone Commercial Corporation and certain of its wholly owned subsidiaries, as guarantors, each of the financial institutions initially a signatory thereto together with their successors and assignees, as lenders, and KeyBank National Association, as lender and agent, incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed August 19, 2022.

Exhibit 10.1 FOURTH AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF AUGUST 18, 2022 by and among GLADSTONE COMMERCIAL LIMITED PARTNERSHIP, AS BORROWER, GLADSTONE COMMERCIAL CORPORATION, AS A GUARANTOR, KEYBANK NATIONAL ASSOCIATION, THE OTHER LENDERS WHICH ARE PARTIES TO THIS AGREEMENT, and OTHER LENDERS THAT MAY BECOME PARTIES TO THIS AGREEMENT, AS LENDERS, KEYBANK NATIONAL ASSOCIATION, AS AGENT

August 1, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 00

August 1, 2022 EX-99.1

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2022

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2022 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

August 1, 2022 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock and Senior Common Stock as of June 30, 2022.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of June 30, 2022, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed

August 1, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 1, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

May 5, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 5, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 0

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 4, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissio

May 4, 2022 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of March 31, 2022.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of March 31, 2022, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewe

May 4, 2022 EX-99.1

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2022

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2022 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

March 18, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confid

March 18, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of

February 22, 2022 EX-1.1

Amendment No. 1 to At-the-Market Equity Offering Sales Agreement by and among the Registrant, Gladstone Commercial Limited Partnership, Robert W. Baird & Co. Incorporated, Goldman Sachs & Co. LLC, Stifel, Nicolaus & Company, Incorporated, BTIG, LLC, and Fifth Third Securities, Inc.

EX-1.1 2 d291407dex11.htm EX-1.1 Exhibit 1.1 AMENDMENT NO. 1 TO THE AT-THE- MARKET EQUITY OFFERING SALES AGREEMENT February 22, 2022 ROBERT W. BAIRD & CO. INCORPORATED 777 E. Wisconsin Avenue Milwaukee, Wisconsin 53202 GOLDMAN SACHS & CO. LLC 200 West Street New York, New York 10282 STIFEL, NICOLAUS & COMPANY, INCORPORATED 501 North Broadway, 10th Floor Saint Louis, Missouri 63102 BTIG, LLC 600 Mo

February 22, 2022 424B5

Up to $63,000,000 Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-236143 PROSPECTUS SUPPLEMENT (To Prospectus dated February 11, 2020) Up to $63,000,000 Common Stock We previously have entered into an At-the-Market Equity Offering Sales Agreement, dated December 9, 2019, which was amended on February 22, 2022 (the ?Sales Agreement?), with Robert W. Baird & Co. Incorporated, Goldman

February 22, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 22, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 15, 2022 EX-99.1

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2021

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2021 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

February 15, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-330

February 15, 2022 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of December 31, 2021.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of December 31, 2021, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service revi

February 15, 2022 EX-4.7

Description of the Registrant’s securities registered pursuant to Section 12 of the Exchange Act (filed herewith).

Exhibit 4.7 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (which we refer to as ?we,? ?us,? or the ?Company?) has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): our common stock, par value $0.001 per share (?common

February 15, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 15, 2022 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 15, 2022 EX-21

List of Subsidiaries of the Registrant (filed herewith).

Exhibit 21 SUBSIDIARIES OF GLADSTONE COMMERCIAL CORPORATION Delaware 2525 N Woodlawn Vstrm Wichita KS, LLC 260 Springside Drive Akron OH LLC ABC12 Ottumwa IA LLC ACI06 Champaign IL LLC AFL05 Duncan SC LLC AFL05 Duncan SC Member LLC AFR11 Parsippany NJ LLC AL13 Brookwood LLC AL15 Birmingham LLC ALHSVI01 GOOD 130 Vintage Drive LLC ALMGMI01 GOOD 111 Folmar Parkway LLC ALVANI02 GOOD 11198 Will Walker Road LLC APML07 Hialeah FL LLC AZTUC901 GOOD 3381 East Global Loop LLC C08 Fridley MN LLC CA14 Rancho Cordova GP LLC CA14 Rancho Cordova LP CBP11 Green Tree PA GP LLC CBP11 Green Tree PA, L.

February 10, 2022 SC 13G/A

GOOD / Gladstone Commercial Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Gladstone Commercial Corp. Title of Class of Securities: REIT CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ 

January 13, 2022 EX-99.1

Gladstone Commercial Corporation Appoints Co-President

Exhibit 99.1 Gladstone Commercial Corporation Appoints Co-President MCLEAN, VA, January 13, 2022: Gladstone Commercial Corporation (Nasdaq: GOOD) (the ?Company?) announced that its board of directors appointed Arthur S. ?Buzz? Cooper co-President of the Company effective as of January 11, 2022. Mr. Cooper joined the Gladstone family of companies at their inception in 2001 and the Company at its in

January 13, 2022 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 13, 2022 (January 11, 2022) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of I

January 10, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): January 10, 2022 (January 8, 2022) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of In

November 1, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBE

November 1, 2021 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of September 30, 2021.

Exhibit 99.1 Pursuant to FINRA Rules 2310(b)(5) and 2231(c), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of September 30, 2021, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service rev

November 1, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 1, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

November 1, 2021 EX-99.1

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2021

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2021 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

August 9, 2021 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of June 30, 2021.

Exhibit 99.1 Pursuant to FINRA Rule 2310(b)(5), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of June 30, 2021, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed the amount r

August 9, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): August 9, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

August 9, 2021 EX-99.1

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2021

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2021 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

August 9, 2021 EX-10.2

Fourth Amendment to the Second Amended and Restated Agreement of Limited Partnership of Gladstone Commercial Limited Partnership, incorporated by reference to Exhibit 10.1 to the Registrant's Quarterly Report on Form 10-Q (File No. 001-33097), filed August 9, 2021.

FOURTH AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP OF GLADSTONE COMMERCIAL LIMITED PARTNERSHIP This FOURTH AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP (this ?Amendment?) is entered into and effective as of this 5th day of August, 2021.

August 9, 2021 EX-3.8

Articles Supplementary, incorporated by reference to Exhibit 3.8 to the Registrant's Quarterly Report on Form 10-Q (File No. 001-33097), filed August 9, 2021.

GLADSTONE COMMERCIAL CORPORATION ARTICLES SUPPLEMENTARY Gladstone Commercial Corporation, a Maryland corporation (the ?Corporation?), hereby certifies to the State Department of Assessments and Taxation of Maryland that: FIRST: Under a power contained in Section 2 of Article SEVENTH of the charter of the Corporation (the ?Charter?), the Board of Directors of the Corporation (the ?Board?), by duly adopted resolutions, reclassified and designated 2,490,445 authorized but unissued shares of the Corporation?s 7.

August 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 00

July 12, 2021 15-12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-33097 Gladstone Commercial Corporation (Exact name of registrant as spe

June 30, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): June 30, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commiss

June 24, 2021 8-A12B

Registration Statement on Form 8-A, filed June 24, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (Exact name of registrant as specified in its charter) Maryland 02-0681276 (State of incorporation or organization) (I.R.S. Employer Identification No.) 1521 Westbr

June 24, 2021 EX-1.1

Underwriting Agreement, dated as of June 21, 2021, by and among Gladstone Commercial Corporation, Gladstone Commercial Limited Partnership and Stifel, Nicolaus & Company, Incorporated, Goldman Sachs & Co. LLC, and B. Riley Securities, Inc. as representatives of the Underwriters.

Exhibit 1.1 6.00% Series G Cumulative Redeemable Preferred Stock 4,000,000 Shares Gladstone Commercial Corporation UNDERWRITING AGREEMENT June 21, 2021 Stifel, Nicolaus & Company, Incorporated Goldman Sachs & Co. LLC B. Riley Securities, Inc. As Representatives of the Several Underwriters, named in Schedule A hereto c/o Stifel, Nicolaus & Company, Incorporated 501 North Broadway, 10th Floor Saint

June 24, 2021 EX-4.1

Form of Certificate for 6.00% Series G Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed June 24, 2021.

Exhibit 4.1 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# PREFERRED STOCK PAR VALUE $0.001 PREFERRED STOCK Certificate Number ZQ00000000 GLADSTONE COMMERCIAL CORPORATION INCORPORATED UNDER THE LAWS OF THE STATE OF MARYLAND THIS CERTIFIES THAT is the owner of SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 376536 884 THIS CERTIFICATE IS TRANSFERABLE IN CITIES DESIGNATED BY THE TRANSFER AGENT, AVAIL

June 24, 2021 EX-99.1

Gladstone Commercial Corporation Prices Public Offering of 6.00% Series G Cumulative Redeemable Preferred Stock

Exhibit 99.1 Gladstone Commercial Corporation Prices Public Offering of 6.00% Series G Cumulative Redeemable Preferred Stock McLean, VA, June 21, 2021: Gladstone Commercial Corporation (Nasdaq: GOOD) (the ?Company?) today announced that it has priced an underwritten public offering of 4,000,000 shares of its newly designated 6.00% Series G Cumulative Redeemable Preferred Stock (the ?Series G Prefe

June 24, 2021 8-K

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): June 23, 2021 (June 21, 2021) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorpo

June 24, 2021 EX-3.1

Articles Supplementary for 6.00% Series G Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed June 24, 2021.

Exhibit 3.1 GLADSTONE COMMERCIAL CORPORATION ARTICLES SUPPLEMENTARY 6.00% SERIES G CUMULATIVE REDEEMABLE PREFERRED STOCK Gladstone Commercial Corporation, a Maryland corporation (the ?Corporation?), hereby certifies to the Maryland State Department of Assessments and Taxation that: FIRST: Under a power contained in Section 2 of Article SEVENTH of the charter of the Corporation (the ?Charter?), the

June 24, 2021 EX-10.1

Third Amendment to the Second Amended and Restated Agreement of Limited Partnership of Gladstone Commercial Limited Partnership, including Exhibit SGP thereto, incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed June 24, 2021.

Exhibit 10.1 THIRD AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP OF GLADSTONE COMMERCIAL LIMITED PARTNERSHIP This THIRD AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP (this ?Amendment?) is entered into and effective as of this 23rd day of June, 2021. Capitalized terms used herein and not defined herein shall have the meanings ascribed thereto

June 23, 2021 424B5

4,000,000 Shares 6.00% Series G Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 per share)

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-236143 PROSPECTUS SUPPLEMENT (To Prospectus dated February 11, 2020) 4,000,000 Shares 6.00% Series G Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 per share) We are offering 4,000,000 shares of our 6.00% Series G Cumulative Redeemable Preferred Stock, $0.001 par value per share (?Series G Prefe

June 22, 2021 FWP

GLADSTONE COMMERCIAL CORPORATION 6.00% SERIES G CUMULATIVE REDEEMABLE PREFERRED STOCK ($25.00 LIQUIDATION PREFERENCE PER SHARE) Final Term Sheet June 21, 2021

Filed Pursuant to Rule 433 Registration No. 333-236143 Issuer Free Writing Prospectus Relating to Preliminary Prospectus Supplement dated June 21, 2021 GLADSTONE COMMERCIAL CORPORATION 6.00% SERIES G CUMULATIVE REDEEMABLE PREFERRED STOCK ($25.00 LIQUIDATION PREFERENCE PER SHARE) Final Term Sheet June 21, 2021 Issuer: Gladstone Commercial Corporation Securities Offered: 6.00% Series G Cumulative Re

June 21, 2021 EX-99.1

Gladstone Commercial Corporation Announces Offering of Series G Cumulative Redeemable Preferred Stock

Exhibit 99.1 Gladstone Commercial Corporation Announces Offering of Series G Cumulative Redeemable Preferred Stock McLean, VA, June 21, 2021: Gladstone Commercial Corporation (Nasdaq: GOOD) (the ?Company?) today announced that it plans to sell shares of its newly designated Series G Cumulative Redeemable Preferred Stock (the ?Series G Preferred Stock?) in an underwritten public offering. The publi

June 21, 2021 424B5

SUBJECT TO COMPLETION, DATED JUNE 21, 2021

Table of Contents SUBJECT TO COMPLETION, DATED JUNE 21, 2021 This preliminary prospectus supplement relates to an effective registration statement under the Securities Act of 1933, but the information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed.

June 21, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): June 21, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commiss

June 7, 2021 EX-99.1

Gladstone Commercial Appoints Chief Financial Officer

Exhibit 99.1 Gladstone Commercial Appoints Chief Financial Officer MCLEAN, Va., June 7, 2021 ? Gladstone Commercial Corporation (Nasdaq: GOOD) (?Gladstone Commercial?) announced today that Gary Gerson has been appointed Chief Financial Officer, effective June 4, 2021. Mr. Gerson has served as Gladstone Commercial?s Interim Chief Financial Officer since March 26, 2021. Prior to joining the company,

June 7, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): June 7, 2021 (June 4, 2021) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorpora

May 27, 2021 EX-99.1

Gladstone Commercial Corporation Announces Conditional Optional Redemption of all Outstanding Shares of its Series D Preferred Stock

Exhibit 99.1 Gladstone Commercial Corporation Announces Conditional Optional Redemption of all Outstanding Shares of its Series D Preferred Stock MCLEAN, Va., May 26, 2021 ? Gladstone Commercial Corporation (Nasdaq: GOOD) (the ?Company?), today announced the conditional optional redemption of all of the outstanding shares of its 7.00% Series D Cumulative Redeemable Preferred Stock, par value $0.00

May 27, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2021 (May 26, 2021) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or other jurisdiction of incorpora

May 10, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 10, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commissi

May 10, 2021 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of March 31, 2021.

Exhibit 99.1 Pursuant to FINRA Rule 2310(b)(5), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of March 31, 2021, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed the amount

May 10, 2021 EX-99.1

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2021

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2021 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

May 10, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 0

May 7, 2021 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 7, 2021 (May 6, 2021) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporati

March 19, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confid

March 19, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of

March 2, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): March 2, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commiss

February 16, 2021 EX-4.7

Description of the Registrant’s securities registered pursuant to Section 12 of the Exchange Act (filed herewith).

Exhibit 4.7 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (which we refer to as ?we,? ?us,? or the ?Company?) has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): our common stock, par value $0.001 per share (?common

February 16, 2021 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock and Senior Common Stock as of December 31, 2020.

Exhibit 99.1 Pursuant to FINRA Rule 2310(b)(5), Gladstone Commercial Corporation (the ?Company?) determined the estimated value as of December 31, 2020, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the ?Series F Preferred Stock?), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed the amou

February 16, 2021 EX-21

List of Subsidiaries of the Registrant (filed herewith).

Exhibit 21 SUBSIDIARIES OF GLADSTONE COMMERCIAL CORPORATION Delaware 2525 N Woodlawn Vstrm Wichita KS, LLC 260 Springside Drive Akron OH LLC ABC12 Ottumwa IA LLC ACI06 Champaign IL LLC AFL05 Duncan SC LLC AFL05 Duncan SC Member LLC AFR11 Parsippany NJ LLC AL13 Brookwood LLC AL15 Birmingham LLC ALHSVI01 GOOD 130 Vintage Drive LLC ALMGMI01 GOOD 111 Folmar Parkway LLC ALVANI02 GOOD 11198 Will Walker Road LLC APML07 Hialeah FL LLC AZTUC901 GOOD 3381 East Global Loop LLC C08 Fridley MN LLC CA14 Rancho Cordova GP LLC CA14 Rancho Cordova LP CBP11 Green Tree PA GP LLC CBP11 Green Tree PA, L.

February 16, 2021 EX-99.1

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2020

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2020 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

February 16, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 16, 2021 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 16, 2021 EX-10.18

Third Amended and Restated Credit Agreement and Other Loan Documents, dated as of February 11, 2021, by and among Gladstone Commercial Limited Partnership, as borrower, Gladstone Commercial Corporation and certain of its wholly owned subsidiaries, as guarantors, each of the financial institutions initially a signatory thereto together with their successors and assignees, as lenders, and KeyBank National Association, as lender and agent, incorporated by reference to Exhibit 10.18 to the Registrant’s Annual Report on Form 10-K (File No. 001-33097), filed February 16, 2021.

USActive\116390121\V-6 THIRD AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF FEBRUARY 11, 2021 by and among GLADSTONE COMMERCIAL LIMITED PARTNERSHIP, AS BORROWER, GLADSTONE COMMERCIAL CORPORATION, AS A GUARANTOR, KEYBANK NATIONAL ASSOCIATION, THE OTHER LENDERS WHICH ARE PARTIES TO THIS AGREEMENT, and OTHER LENDERS THAT MAY BECOME PARTIES TO THIS AGREEMENT, AS LENDERS, KEYBANK NATIONAL ASSOCIATION, AS AGENT, KEYBANC CAPITAL MARKETS, INC.

February 16, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 16, 2021 (February 11, 2021) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of

February 16, 2021 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-330

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)* Name of issuer: Gladstone Commercial Corp. Title of Class of Securities: REIT CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ 

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)* Name of issuer: Gladstone Commercial Corp. Title of Class of Securities: REIT CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: January 29, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ R

November 5, 2020 EX-99.1

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2020

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2020 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

November 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 5, 2020 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

November 5, 2020 EX-99.1

Estimated Value Methodology for Series F Cumulative Redeemable Preferred Stock as of September 30, 2020.

Exhibit 99.1 Pursuant to FINRA Rule 2310(b)(5), Gladstone Commercial Corporation (the “Company”) determined the estimated value as of September 30, 2020, of its 6.00% Series F Cumulative Redeemable Preferred Stock (the “Series F Preferred Stock”), $25.00 stated value per share, with the assistance of a third-party valuation service. In particular, the third-party valuation service reviewed the amo

November 5, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-33097 GLADSTONE COMMERCIAL CORPORATION (Exact name of registrant as specified in its charter) Maryland 02-0681276 (State or other jurisdiction of incorporation or organization) (I.

July 27, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-33097 GLADSTONE COMMERCIAL CORPORATION (Exact name of registrant as specified in its charter) Maryland 02-0681276 (State or other jurisdiction of incorporation or organization) (I.

July 27, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 27, 2020 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commiss

July 27, 2020 EX-10.1

Sixth Amended and Restated Investment Advisory Agreement, dated as of July 14, 2020, by and between the Registrant and Gladstone Management Corporation. incorporated by reference to Exhibit 10.1 to the Registrant's Quarterly Report on Form 10-Q (File No. 001-33097), filed July 27, 2020.

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July 27, 2020 EX-99.1

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2020

Gladstone Commercial Corporation Reports Results for the Second Quarter Ended June 30, 2020 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

July 27, 2020 EX-99.1

Estimated Value Methodology for Senior Common Stock at June 30, 2020

Exhibit 99.1 Pursuant to FINRA Rule 2310(b)(5), which became effective in April 2016, Gladstone Commercial Corporation (the "Company") determined the estimated value as of June 30, 2020 of its Senior Common Stock, $15.00 original issue price per share, with the assistance of a third party valuation service. In particular, the third party valuation service reviewed the amount resulting from the con

July 17, 2020 8-K

Entry into a Material Definitive Agreement

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): July 17, 2020 (July 14, 2020) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Inc

June 30, 2020 FWP

Filed pursuant to Rule 433 Registration Statement No. 333-236143 $500,000,000 Series F Cumulative Redeemable Preferred Stock Offering As of May 2020Filed pursuant to Rule 433 Registration Statement No. 333-236143 $500,000,000 Series F Cumulative Rede

FWP Filed pursuant to Rule 433 Registration Statement No. 333-236143 $500,000,000 Series F Cumulative Redeemable Preferred Stock Offering As of May 2020Filed pursuant to Rule 433 Registration Statement No. 333-236143 $500,000,000 Series F Cumulative Redeemable Preferred Stock Offering As of May 2020 Legal Disclaimer Estimates: This presentation contains industry and market data, forecasts, and pro

May 11, 2020 8-K

Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): May 11, 2020 (May 7, 2020) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorp

May 8, 2020 FWP

Filed pursuant to Rule 433

FWP Filed pursuant to Rule 433 Registration Statement No. 333-236143 Registered Investment Advisor Kit Company and Offering Overview Gladstone Commercial Corporation An Office and Industrial REIT $500,000,000 Series F Preferred Stock in primary offering (and up to an additional $150,000,000 under dividend reinvestment plan) Risk Factors: An investment in shares of Gladstone Commercial Corporation

May 8, 2020 FWP

Filed pursuant to Rule 433

FWP Filed pursuant to Rule 433 Registration Statement No. 333-236143 Broker Dealer Kit Gladstone Commercial Company and Offering Overview Gladstone Commercial Corporation An Office and Industrial REIT $500,000,000 Series F Preferred Stock in primary offering (and up to an additional $150,000,000 under dividend reinvestment plan) Risk Factors: An investment in shares of Gladstone Commercial Corpora

April 28, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): April 28, 2020 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commis

April 28, 2020 EX-99.1

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2020

Gladstone Commercial Corporation Reports Results for the First Quarter Ended March 31, 2020 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

April 28, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2020 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-33097 GLADSTONE COMMERCIAL CORPORATION (Exact name of registrant as specified in its charter) MARYLAND 02-0681276 (State or other jurisdiction of incorporation or organization) (I.

March 23, 2020 DEF 14A

GOOD / Gladstone Commercial Corp. DEF 14A - - DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

March 23, 2020 DEFA14A

GOOD / Gladstone Commercial Corp. DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, fo

February 20, 2020 8-K

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 20, 2020 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.

February 20, 2020 EX-1.1

Dealer Management Agreement, dated as of February 20, 2020, by and between Gladstone Commercial Corporation and Gladstone Securities, LLC (incorporated by reference to Exhibit 1.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed February 20, 2020).

EX-1.1 Exhibit 1.1 DEALER MANAGER AGREEMENT 20,000,000 Shares of 6.00% Series F Cumulative Redeemable Preferred Stock — Primary Offering — $25.00 6,000,000 Shares of 6.00% Series F Cumulative Redeemable Preferred Stock — Dividend Reinvestment Plan — $22.75 February 20, 2020 Gladstone Securities, LLC 1521 Westbranch Drive, Suite 100 McLean, Virginia 22102 Attn: John Kent Ladies and Gentlemen: Glads

February 20, 2020 424B5

Maximum of 20,000,000 Shares in Primary Offering Maximum of 6,000,000 Shares Pursuant to Dividend Reinvestment Plan 6.00% Series F Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 Per Share)

Table of Contents Filed pursuant to Rule 424(b)(5) Registration File No. 333-236143 PROSPECTUS SUPPLEMENT (To Prospectus dated February 11, 2020) Maximum of 20,000,000 Shares in Primary Offering Maximum of 6,000,000 Shares Pursuant to Dividend Reinvestment Plan 6.00% Series F Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 Per Share) We are offering a maximum of 20,000,000 sha

February 20, 2020 EX-3.1

Articles Supplementary for 6.00% Series F Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed February 20, 2020.

EX-3.1 Exhibit 3.1 GLADSTONE COMMERCIAL CORPORATION ARTICLES SUPPLEMENTARY 6.00% SERIES F CUMULATIVE REDEEMABLE PREFERRED STOCK Gladstone Commercial Corporation, a Maryland corporation (the “Corporation”), hereby certifies to the State Department of Assessments and Taxation of Maryland that: FIRST: Under a power contained in Section 2 of Article SEVENTH of the charter of the Corporation (the “Char

February 20, 2020 EX-10.2

Escrow Agreement, dated as of February 20, 2020, by and between Gladstone Commercial Corporation and UMB Bank, National Association, incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed February 20, 2020.

EX-10.2 Exhibit 10.2 SUBSCRIPTION ESCROW AGREEMENT THIS SUBSCRIPTION ESCROW AGREEMENT, dated as of February 20, 2020 (this “Agreement”), is entered into between Gladstone Commercial Corporation (the “Company”) and UMB Bank, National Association, a national banking association, as escrow agent (the “Escrow Agent”). WHEREAS, the Company intends to raise cash funds from Investors (as defined below) p

February 20, 2020 EX-10.1

Second Amendment to the Second Amended and Restated Agreement of Limited Partnership of Gladstone Commercial Limited Partnership, including Exhibit SFP thereto, incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed February 20, 2020.

EX-10.1 Exhibit 10.1 SECOND AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP OF GLADSTONE COMMERCIAL LIMITED PARTNERSHIP This SECOND AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP (this “Amendment”) is entered into and effective as of this 20th day of February, 2020. Capitalized terms used herein and not defined herein shall have the meanings asc

February 20, 2020 EX-4.1

Form of Certificate for 6.00% Series F Cumulative Redeemable Preferred Stock of the Registrant, incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed February 20, 2020.

EX-4.1 Exhibit 4.1 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# PREFERRED STOCK PAR VALUE $.001 PREFERRED STOCK Certificate Number ZQ00000000 GLADSTONE COMMERCIAL CORPORATION INCORPORATED UNDER THE LAWS OF THE STATE OF MARYLAND Shares * * 000000 ****************** * * * 000000 ***************** **** 000000 **************** ***** 000000 *************** ****** 000000 ************** THIS CERTI

February 20, 2020 EX-99.1

Gladstone Commercial Corporation Files for Public Offering of 6.00% Series F Cumulative Redeemable Preferred Stock

EX-99.1 Exhibit 99.1 Gladstone Commercial Corporation Files for Public Offering of 6.00% Series F Cumulative Redeemable Preferred Stock MCLEAN, Va., February 20, 2020 (GLOBE NEWSWIRE) — Gladstone Commercial Corporation (Nasdaq: GOOD) (the “Company”) today announced that it has filed a new prospectus supplement with the U.S. Securities and Exchange Commission (“SEC”) for a continuous public offerin

February 12, 2020 EX-4.6

Description of the Registrant’s securities registered pursuant to Section 12 of the Exchange Act.

Exhibit 4.6 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Gladstone Commercial Corporation (which we refer to as “we,” “us,” or the “Company”) has three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock, par value $0.001 per share (“common

February 12, 2020 10-K

GOOD / Gladstone Commercial Corp. 10-K - Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from to Commission File Number 001-33097

February 12, 2020 SC 13G/A

GOOD / Gladstone Commercial Corp. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Gladstone Commercial Corp Title of Class of Securities: REIT CUSIP Number: 376536108 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ R

February 12, 2020 EX-21

List of Subsidiaries of the Registrant (filed herewith).

Exhibit 21 SUBSIDIARIES OF GLADSTONE COMMERCIAL CORPORATION Delaware 2525 N Woodlawn Vstrm Wichita KS, LLC 260 Springside Drive, Akron OH LLC ABC12 Ottumwa IA LLC ACI06 Champaign IL LLC AFL05 Duncan SC LLC AFL05 Duncan SC Member LLC AFR11 Parsippany NJ LLC AL13 Brookwood LLC AL15 Birmingham LLC ALVANI02 GOOD 11198 Will Walker Road LLC APML07 Hialeah FL LLC AZTUC901 GOOD 3381 East Global Loop LLC C08 Fridley MN LLC CA14 Rancho Cordova GP LLC CA14 Rancho Cordova LP CBP11 Green Tree PA GP LLC CBP11 Green Tree PA, L.

February 12, 2020 EX-99.1

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2019

Gladstone Commercial Corporation Reports Results for the Fourth Quarter and Year Ended December 31, 2019 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

February 12, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): February 12, 2020 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Com

February 10, 2020 CORRESP

GOOD / Gladstone Commercial Corp. CORRESP - -

CORRESP February 10, 2020 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

January 29, 2020 S-3

GOOD / Gladstone Commercial Corp. S-3 - - S-3

S-3 Table of Contents As filed with the Securities and Exchange Commission on January 29, 2020 Registration No.

January 29, 2020 EX-4.7

Form of Indenture, incorporated by reference to Exhibit 4.7 to the Registrant’s Registration Statement on Form S-3 (File No. 333-236143), filed January 29, 2020.

EX-4.7 Exhibit 4.7 FORM OF INDENTURE GLADSTONE COMMERCIAL CORPORATION INDENTURE Dated as of [ ● ], [ ● ] Trustee CROSS-REFERENCE TABLE* Trust Indenture Act Section Indenture Section 310(a)(1) 7.10 (a)(2) 7.10 (a)(3) N.A. (a)(4) N.A. (a)(5) 7.10 (b) 7.10 (c) N.A. 311(a) 7.11 (b) 7.11 (c) N.A. 312(a) 2.06 (b) 12.03 (c) 12.03 313(a) 7.06 (b)(2) 7.06; 7.07 (c) 7.06; 12.02 (d) 7.06 314(a) 4.03; 12.02;

December 3, 2019 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): December 3, 2019 (December 2, 2019) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction

December 3, 2019 EX-1.2

At-the-Market Equity Offering Sales Agreement, dated December 3, 2019, by and among Gladstone Commercial Corporation, Gladstone Commercial Limited Partnership, and Robert W. Baird & Co. Incorporated, Goldman Sachs & Co. LLC, Stifel, Nicolaus & Company, Incorporated, Fifth Third Securities, Inc. and U.S. Bancorp Investments, Inc. (Series E Preferred Shares), incorporated by reference to Exhibit 1.2 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed December 3, 2019.

EX-1.2 Exhibit 1.2 GLADSTONE COMMERCIAL CORPORATION 6.625% Series E Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 per share) ($0.001 par value per share) AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT December 3, 2019 ROBERT W. BAIRD & CO. INCORPORATED 777 E. Wisconsin Avenue Milwaukee, Wisconsin 53202 GOLDMAN SACHS & CO. LLC 200 West Street New York, New York 10282 STIFEL, N

December 3, 2019 EX-1.1

At-the-Market Equity Offering Sales Agreement, dated December 3, 2019, by and among Gladstone Commercial Corporation, Gladstone Commercial Limited Partnership, and Robert W. Baird & Co. Incorporated, Goldman Sachs & Co. LLC, Stifel, Nicolaus & Company, Incorporated, BTIG, LLC, and Fifth Third Securities, Inc. (Common Shares), incorporated by reference to Exhibit 1.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed December 3, 2019.

EX-1.1 Exhibit 1.1 GLADSTONE COMMERCIAL CORPORATION Common Stock ($0.001 par value per share) AT-THE-MARKET EQUITY OFFERING SALES AGREEMENT December 3, 2019 ROBERT W. BAIRD & CO. INCORPORATED 777 E. Wisconsin Avenue Milwaukee, Wisconsin 53202 GOLDMAN SACHS & CO. LLC 200 West Street New York, New York 10282 STIFEL, NICOLAUS & COMPANY, INCORPORATED 501 North Broadway, 10th Floor Saint Louis, Missour

December 3, 2019 424B5

Up to $100,000,000 6.625% Series E Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 per share)

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No.

December 3, 2019 EX-3.1

Articles Supplementary, incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed December 3, 2019.

EX-3.1 Exhibit 3.1 GLADSTONE COMMERCIAL CORPORATION ARTICLES SUPPLEMENTARY Gladstone Commercial Corporation, a Maryland corporation (the “Corporation”), hereby certifies to the State Department of Assessments and Taxation of Maryland that: FIRST: Under a power contained in Article SEVENTH of the charter of the Corporation (the “Charter”), the Board of Directors of the Corporation (the “Board”), by

December 3, 2019 EX-10.1

First Amendment to Second Amended and Restated Agreement of Limited Partnership of Gladstone Commercial Operating Partnership, dated December 2, 2019, incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed December 3, 2019.

EX-10.1 Exhibit 10.1 FIRST AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP OF GLADSTONE COMMERCIAL LIMITED PARTNERSHIP This FIRST AMENDMENT TO SECOND AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP (this “Amendment”) is entered into and effective as of this 2nd day of December, 2019, by and among Gladstone Commercial Corporation, a Maryland corporation, GCLP Busines

December 3, 2019 424B5

Up to $250,000,000 Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No.

November 29, 2019 8-K

Termination of a Material Definitive Agreement

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): November 29, 2019 (November 22, 2019) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdictio

November 4, 2019 15-12G

GOOD / Gladstone Commercial Corp. 15-12G - - 15-12G

15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 000-50363 Gladstone Commercial Corporation (Exact name of registrant

October 30, 2019 EX-99.1

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2019

Gladstone Commercial Corporation Reports Results for the Third Quarter Ended September 30, 2019 Please note that the limited information that follows in this press release is not adequate to make an informed investment judgment.

October 30, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): October 30, 2019 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (Comm

October 30, 2019 10-Q

quarter ended September 30, 3019, filed October 30, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBE

October 28, 2019 8-K

Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): October 28, 2019 Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdiction of Incorporation) (

October 1, 2019 8-A12B

Registration Statement on Form 8-A, filed October 1, 2019

8-A12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 GLADSTONE COMMERCIAL CORPORATION (Exact name of registrant as specified in its charter) Maryland 02-0681276 (State of incorporation or organization) (I.R.S. Employer Identification No.) 15

September 27, 2019 EX-1.1

Underwriting Agreement dated September 25, 2019 by and between Gladstone Commercial Corporation and Stifel, Nicolaus & Company, Incorporated, B. Riley FBR, Inc., D. A. Davidson & Co. and Janney Montgomery Scott LLC, as representatives of the Underwriters.

EX-1.1 Exhibit 1.1 6.625% Series E Cumulative Redeemable Preferred Stock 2,400,000 Shares Gladstone Commercial Corporation UNDERWRITING AGREEMENT September 25, 2019 Stifel, Nicolaus & Company, Incorporated B. Riley FBR, Inc. D.A. Davidson & Co. Janney Montgomery Scott LLC As Representatives of the Several Underwriters, named in Schedule A hereto c/o Stifel, Nicolaus & Company, Incorporated 501 Nor

September 27, 2019 EX-10.1

Exhibit SEP to Second Amended and Restated Agreement of Limited Partnership of Gladstone Commercial Limited Partnership: Designation of 6.625% Series E Cumulative Redeemable Preferred Units, incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed September 27, 2019.

EX-10.1 Exhibit 10.1 EXHIBIT SEP PARTNERSHIP UNIT DESIGNATION DESIGNATION OF 6.625% SERIES E CUMULATIVE REDEEMABLE PREFERRED UNITS Reference is made to the Second Amended and Restated Agreement of Limited Partnership (the “Partnership Agreement”) of Gladstone Commercial Limited Partnership, a Delaware limited partnership (the “Partnership”), of which this Partnership Unit Designation shall become

September 27, 2019 EX-4.1

Form of Certificate for 6.625% Series E Cumulative Redeemable Preferred Stock of the Registrant, incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed September 27, 2019.

EX-4.1 Exhibit 4.1 .ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# PREFERRED STOCK PAR VALUE $.001 PREFERRED STOCK [Graphic Appears Here] Certificate Number ZQ00000000 Shares * * 000000 ****************** * * * 000000 ***************** **** 000000 **************** ***** 000000 *************** ****** 000000 ************** GLADSTONE COMMERCIAL CORPORATION INCORPORATED UNDER THE LAWS OF THE STAT

September 27, 2019 EX-3.1

Articles Supplementary for 6.625% Series E Cumulative Redeemable Preferred Stock, incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K (File No. 001-33097), filed September 27, 2019.

EX-3.1 Exhibit 3.1 GLADSTONE COMMERCIAL CORPORATION ARTICLES SUPPLEMENTARY 6.625% SERIES E CUMULATIVE REDEEMABLE PREFERRED STOCK Gladstone Commercial Corporation, a Maryland corporation (the “Corporation”), hereby certifies to the Maryland State Department of Assessments and Taxation that: FIRST: Under a power contained in Section 2 of Article SEVENTH of the charter of the Corporation (the “Charte

September 27, 2019 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event Reported): September 27, 2019 (September 25, 2019) Gladstone Commercial Corporation (Exact Name of Registrant as Specified in Charter) Maryland 001-33097 02-0681276 (State or Other Jurisdict

September 26, 2019 424B5

2,400,000 Shares 6.625% Series E Cumulative Redeemable Preferred Stock (Liquidation Preference $25.00 per share)

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No.

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