ROCK / Gibraltar Industries, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Gibraltar Industries, Inc.
US ˙ NasdaqGS ˙ US3746891072

Mga Batayang Estadistika
LEI 549300AE5O3GN0YBLM57
CIK 912562
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 Gibraltar Industries, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 6, 2025 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) August 6, 2025 (August 6, 2025) GIBR

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) August 6, 2025 (August 6, 2025) GIBRALTAR INDUSTRIES, INC.

August 6, 2025 EX-99.1

GIBRALTAR ANNOUNCES SECOND QUARTER 2025 FINANCIAL RESULTS Continuing Operations: Net Sales: GAAP +13%, Adjusted +14%; EPS: GAAP -2%, Adjusted +11% Generated Operating Cash Flow of $44 Million 2025 Full Year Outlook on Track for a Solid Year of Improv

GIBRALTAR ANNOUNCES SECOND QUARTER 2025 FINANCIAL RESULTS Continuing Operations: Net Sales: GAAP +13%, Adjusted +14%; EPS: GAAP -2%, Adjusted +11% Generated Operating Cash Flow of $44 Million 2025 Full Year Outlook on Track for a Solid Year of Improved Performance Buffalo, New York, August 6, 2025 – Gibraltar Industries, Inc.

August 6, 2025 10-Q

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 ☐ TRANSITION REPORT PU

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

June 30, 2025 EX-99.1

GIBRALTAR STRATEGICALLY SHIFTS FOCUS TO BUILDING PRODUCTS AND STRUCTURES BUSINESSES Board of Directors Approves Plan to Sell Renewables Business Management to Present at CJS Annual New Ideas Summer Conference

GIBRALTAR STRATEGICALLY SHIFTS FOCUS TO BUILDING PRODUCTS AND STRUCTURES BUSINESSES Board of Directors Approves Plan to Sell Renewables Business Management to Present at CJS Annual New Ideas Summer Conference Buffalo, New York, June 30, 2025 – Gibraltar Industries, Inc.

June 30, 2025 8-K

Financial Statements and Exhibits, Other Events

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) June 30, 2025 GIBRALTAR INDUSTRIES, INC.

June 18, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22462 A. Full title of the

May 30, 2025 EX-1.01

Exhibit 1.01

Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report (this “Report”) for the year ended December 31, 2024 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Conflict Minerals (hereinafter defi

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of the registrant as specified in its charter) Delaware 0-22462 (State or other jurisdiction of incor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of the registrant as specified in its charter) Delaware 0-22462 (State or other jurisdiction of incorporation) (Commission file number) 3556 Lake Shore Road P.O. Box 2028 Buffalo, New York 14219-0228 (Address of principal executive offices) (Zip code)

May 1, 2025 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) May 1, 2025 (April 30, 2025) GIBRALT

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) May 1, 2025 (April 30, 2025) GIBRALTAR INDUSTRIES, INC.

May 1, 2025 EX-3.1

tar Industries, Inc.

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF GIBRALTAR INDUSTRIES, INC. Gibraltar Industries, Inc., a corporation organized and existing under the General Corporation Law of the State of Delaware (the “Corporation”), does hereby certify: FIRST: That at a meeting of the Board of Directors of the Corporation, resolutions were duly adopted setting forth a proposed amend

April 30, 2025 EX-99.1

GIBRALTAR ANNOUNCES FIRST QUARTER 2025 FINANCIAL RESULTS Net Sales: GAAP Down Slightly, Adjusted Flat; EPS: GAAP -14.8%, Adjusted +18.8% Backlog reached $434M, up 30% to Record Level Generated Operating Cash Flow of $14 Million Invested $90M in Two S

GIBRALTAR ANNOUNCES FIRST QUARTER 2025 FINANCIAL RESULTS Net Sales: GAAP Down Slightly, Adjusted Flat; EPS: GAAP -14.

April 30, 2025 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) April 30, 2025 (April 29, 2025) GIBR

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) April 30, 2025 (April 29, 2025) GIBRALTAR INDUSTRIES, INC.

April 30, 2025 10-Q

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 ☐ TRANSITION REPORT P

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

March 31, 2025 DEF 14A

Table of Contents

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

March 21, 2025 PRE 14A

Table of Contents

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

February 19, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 000-22462 GIBRALTAR INDUSTRIES, INC.

February 19, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 19, 2025 (February 19, 2025) GIBRALTAR INDUSTRIES, INC.

February 19, 2025 EX-10.5

April 11

Exhibit 10.5 April 11, 2023 Via e-mail Dear Janet: As follow-up to our discussion last week, we are pleased to extend an offer of employment for the position of Vice President and Chief Human Resources Officer with Gibraltar Industries (the "Company" or "Gibraltar"), reporting to me, with an anticipated start date of April 26, 2023. The position will require travel as required to support the busin

February 19, 2025 EX-99.1

GIBRALTAR ANNOUNCES FOURTH QUARTER 2024 FINANCIAL RESULTS 2024 EPS: GAAP up 24%, Adjusted up 4% on 5% Net Sales Decrease Strong 2024 Cash Generation of $174 Million Expands Agtech’s Structures Business with Acquisition of Lane Supply 2025 Guidance: N

GIBRALTAR ANNOUNCES FOURTH QUARTER 2024 FINANCIAL RESULTS 2024 EPS: GAAP up 24%, Adjusted up 4% on 5% Net Sales Decrease Strong 2024 Cash Generation of $174 Million Expands Agtech’s Structures Business with Acquisition of Lane Supply 2025 Guidance: Net Sales $1.

February 19, 2025 EX-19.1

INSIDER TRADING POLICY1

Exhibit 19.1 INSIDER TRADING POLICY1 I.BACKGROUND AND PURPOSE Why have we adopted this policy? This policy has been adopted to help you comply with the federal and state securities laws and the securities laws of other jurisdictions in respect of transactions in securities. Under the securities laws, it is generally illegal for any person to transact in the securities of Gibraltar Industries, Inc.

February 19, 2025 EX-10.3

June 6, 2024

Exhibit 10.3 June 6, 2024 Dear Joe: I am pleased to extend an offer of employment for the position of Vice President and Chief Financial Officer of Gibraltar Industries (the "Company" or "Gibraltar") with an anticipated start date of August 19, 2024. As Chief Financial Officer of the Company you will have normal and customary duties and responsibilities commensurate with this position, reporting d

February 19, 2025 EX-21.1

Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kansas Gibraltar Industries Holding Company (UK) Limited United Kingdom Rough Brothers Green

EXHIBIT 21.1 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc. as of December 31, 2024. The names of indirectly owned subsidiaries are indented under the names of their respective parent corporations: Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kans

February 19, 2025 EX-10.4

October 13, 2020

Exhibit 10.4 October 13, 2020 Katie Bolanowski Dear Katie: As follow-up to your discussion with Cherri Syvrud on Friday, we are pleased to extend to you an offer of employment for the position of General Counsel based out of our Hinsdale, Illinois office, reporting to me, with an anticipated start date of Monday, November 16, 2020. Following is a summary of your eligible compensation and benefits

February 10, 2025 EX-99

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Gibraltar Industries, Inc.

October 30, 2024 EX-99.2

GIBRALTAR APPOINTS JAMES S. METCALF TO THE BOARD OF DIRECTORS

GIBRALTAR APPOINTS JAMES S. METCALF TO THE BOARD OF DIRECTORS Buffalo, New York, October 30, 2024 – Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and provider of products and services for the residential, renewable energy, agtech and infrastructure markets, today announced that its Board of Directors has appointed James S. Metcalf as a new independent member of the Board, effec

October 30, 2024 EX-99.1

GIBRALTAR ANNOUNCES THIRD QUARTER 2024 FINANCIAL RESULTS Net Sales: $361 Million; EPS: GAAP $1.11, Adjusted $1.27 Strong Operating Cash Flow Generation of $65 Million Confirms Updated 2024 Outlook for Revenue: $1.31-$1.33B, GAAP, Adjusted EPS: $3.57-

GIBRALTAR ANNOUNCES THIRD QUARTER 2024 FINANCIAL RESULTS Net Sales: $361 Million; EPS: GAAP $1.

October 30, 2024 8-K

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

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) October 30, 2024 (October 25, 2024) GIBRALTAR INDUSTRIES, INC.

October 30, 2024 10-Q

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 ☐ TRANSITION REPO

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

October 11, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) October 11, 2024 (October 11, 2024) GIBRALTAR INDUSTRIES, INC.

October 11, 2024 EX-99.1

GIBRALTAR REVISES 2024 FINANCIAL GUIDANCE Solar industry headwinds continue to impact the Renewables business Residential market slowdown continues in the second half of year Third quarter 2024 results conference call to be held October 30, 2024 at 9

GIBRALTAR REVISES 2024 FINANCIAL GUIDANCE Solar industry headwinds continue to impact the Renewables business Residential market slowdown continues in the second half of year Third quarter 2024 results conference call to be held October 30, 2024 at 9:00 a.

September 24, 2024 CORRESP

United States Securities and Exchange Commission

September 24, 2024 United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.

August 19, 2024 EX-99.1

GIBRALTAR INDUSTRIES APPOINTS JOSEPH A. LOVECHIO AS CHIEF FINANCIAL OFFICER Experienced Public Company Finance Executive with Industrial Operations Acumen

GIBRALTAR INDUSTRIES APPOINTS JOSEPH A. LOVECHIO AS CHIEF FINANCIAL OFFICER Experienced Public Company Finance Executive with Industrial Operations Acumen Buffalo, New York, August 19, 2024 – Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and provider of products and services for the residential, renewable energy, agtech and infrastructure markets, has announced the appointment

August 19, 2024 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, 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) August 19, 2024 (August 19, 2024) GIBRALTAR INDUSTRIES, INC.

August 16, 2024 CORRESP

Three Months Ended June 30, 2024

August 16, 2024 United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.

July 31, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) July 31, 2024 (July 31, 2024) GIBRALTAR INDUSTRIES, INC.

July 31, 2024 EX-99.1

GIBRALTAR ANNOUNCES SECOND QUARTER 2024 FINANCIAL RESULTS Net Sales: GAAP -3.3%, Adjusted -2.0%; EPS: GAAP +5.0%, Adjusted +2.6% Strong Operating Cash Flow Generation, $36 Million 2024 Outlook: Moderating Revenue Growth, EPS Unchanged

GIBRALTAR ANNOUNCES SECOND QUARTER 2024 FINANCIAL RESULTS Net Sales: GAAP -3.3%, Adjusted -2.0%; EPS: GAAP +5.0%, Adjusted +2.6% Strong Operating Cash Flow Generation, $36 Million 2024 Outlook: Moderating Revenue Growth, EPS Unchanged Buffalo, New York, July 31, 2024 – Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and provider of products and services for the residential, renew

July 31, 2024 10-Q

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 ☐ TRANSITION REPORT PU

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

June 24, 2024 CORRESP

2023

June 24, 2024 United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.

June 13, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22462 A. Full title of the

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of the registrant as specified in its charter) Delaware 0-22462 (State or other jurisdiction of incor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of the registrant as specified in its charter) Delaware 0-22462 (State or other jurisdiction of incorporation) (Commission file number) 3556 Lake Shore Road P.O. Box 2028 Buffalo, New York 14219-0228 (Address of principal executive offices) (Zip code)

May 31, 2024 EX-1.01

Exhibit 1.01

Exhibit 1.01 Conflict Minerals Report This Conflict Minerals Report (this “Report”) for the year ended December 31, 2023 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Conflict Minerals (hereinafter defi

May 2, 2024 8-K

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

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) May 2, 2024 (May 1, 2024) GIBRALTAR INDUSTRIES, INC.

May 1, 2024 10-Q

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 ☐ TRANSITION REPORT P

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 1, 2024 EX-99.1

GIBRALTAR ANNOUNCES FIRST QUARTER 2024 FINANCIAL RESULTS Net Sales: GAAP Essentially Flat, Adjusted +1.3%; EPS: GAAP +19.1%, Adjusted +12.7% Strong Operating Cash Flow Generation of $53.2 Million Reaffirming 2024 Outlook for 4-9% Revenue, 12-20% EPS

GIBRALTAR ANNOUNCES FIRST QUARTER 2024 FINANCIAL RESULTS Net Sales: GAAP Essentially Flat, Adjusted +1.

May 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) May 1, 2024 (May 1, 2024) GIBRALTAR INDUSTRIES, INC.

April 1, 2024 DEF 14A

Table of Contents

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant Filed by a party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

March 1, 2024 EX-99.1

DIRECTOR CRAIG HINDMAN TO RETIRE FROM THE BOARD

DIRECTOR CRAIG HINDMAN TO RETIRE FROM THE BOARD Buffalo, New York, March 1, 2024 – Gibraltar Industries, Inc.

March 1, 2024 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, 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) March 1, 2024 (March 1, 2024) GIBRALTAR INDUSTRIES, INC.

February 21, 2024 EX-99.1

GIBRALTAR ANNOUNCES FOURTH QUARTER AND FULL YEAR 2023 FINANCIAL RESULTS 2023 EPS: GAAP up 40%, Adjusted up 21% on Flat Net Sales Strong 2023 Cash Generation on Higher Margins, Working Capital Management 2024 Growth: Revenue 4-9%, EPS 12-20%

GIBRALTAR ANNOUNCES FOURTH QUARTER AND FULL YEAR 2023 FINANCIAL RESULTS 2023 EPS: GAAP up 40%, Adjusted up 21% on Flat Net Sales Strong 2023 Cash Generation on Higher Margins, Working Capital Management 2024 Growth: Revenue 4-9%, EPS 12-20% Buffalo, New York, February 21, 2024 - Gibraltar Industries, Inc.

February 21, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 21, 2024 (February 21, 2024) GIBRALTAR INDUSTRIES, INC.

February 21, 2024 EX-21.1

Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kansas Gibraltar Industries Holding Company (UK) Limited United Kingdom Rough Brothers Green

EXHIBIT 21.1 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc. as of December 31, 2023. The names of indirectly owned subsidiaries are indented under the names of their respective parent corporations: Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kans

February 21, 2024 8-K/A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

February 21, 2024 EX-99.1

GIBRALTAR ANNOUNCES PLANNED 2025 RETIREMENT OF CHIEF FINANCIAL OFFICER TIMOTHY F. MURPHY Company Retains Executive Search Firm to Identify Successor

GIBRALTAR ANNOUNCES PLANNED 2025 RETIREMENT OF CHIEF FINANCIAL OFFICER TIMOTHY F. MURPHY Company Retains Executive Search Firm to Identify Successor Buffalo, New York, February 21, 2024 – Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and provider of products and services for the renewable energy, residential, agtech and infrastructure markets, today announced that Senior Vice P

February 21, 2024 EX-97

GIBRALTAR INDUSTRIES, INC. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

EXHIBIT 97 GIBRALTAR INDUSTRIES, INC. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION 1. Purpose. The Board of Directors (the “Board”) of Gibraltar Industries, Inc., a Delaware corporation (including its direct and indirect subsidiaries, the “Company”) believes that it is in the best interests of the Company and its stockholders to adopt this Policy for the Recovery of Erroneously Awar

February 21, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 000-22462 GIBRALTAR INDUSTRIES, IN

February 21, 2024 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, 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 21, 2024 (February 18, 2024) GIBRALTAR INDUSTRIES, INC.

February 13, 2024 SC 13G/A

ROCK / Gibraltar Industries, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01016-gibraltarindustriesi.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Gibraltar Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 374689107 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box t

February 9, 2024 SC 13G/A

ROCK / Gibraltar Industries, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Gibraltar Industries Inc (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate b

February 8, 2024 SC 13G/A

ROCK / Gibraltar Industries, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* GIBRALTAR INDUSTRIES, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate

November 2, 2023 EX-10.3

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units (CEO Discretionary) THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE].

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units (CEO Discretionary) THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE]. Recitals: Effective as of May 3, 2023, Gibraltar Industries, Inc. (the Company) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. Amended and Restated 2018 Equity Incentive Plan

November 2, 2023 EX-99.1

GIBRALTAR ANNOUNCES THIRD QUARTER 2023 FINANCIAL RESULTS EPS: GAAP up 19%, Adjusted up 23% on Flat Net Sales Strong Cash Generation on Higher Margins, Working Capital Management Backlog up 5%, End Market Demand Remains Strong Raising 2023 EPS; Narrow

GIBRALTAR ANNOUNCES THIRD QUARTER 2023 FINANCIAL RESULTS EPS: GAAP up 19%, Adjusted up 23% on Flat Net Sales Strong Cash Generation on Higher Margins, Working Capital Management Backlog up 5%, End Market Demand Remains Strong Raising 2023 EPS; Narrowing 2023 Net Sales Outlook Buffalo, New York, November 2, 2023 - Gibraltar Industries, Inc.

November 2, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) November 2, 2023 (November 2, 2023) GIBRALTAR INDUSTRIES, INC.

November 2, 2023 EX-10.2

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units (Management) THIS AWARD is made to (the “Recipient”) as of this day of , 20. Recitals: Effective as of May 3, 2023, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. Amended and Restated 2018 Equity Incentive Plan (the “Plan”).

November 2, 2023 EX-10.1

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units (Executive) THIS AWARD is made to (the “Recipient”) as of this day of , 20. Recitals: Effective as of May 3, 2023, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. Amended and Restated 2018 Equity Incentive Plan (the “Plan”).

November 2, 2023 10-Q

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 ☐ TRANSITION REPO

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

August 2, 2023 EX-10.3

First Amendment to Change in Control Agreement

FIRST AMENDMENT TO CHANGE IN CONTROL AGREEMENT This FIRST AMENDMENT TO CHANGE IN CONTROL AGREEMENT (this “Amendment”) is made and entered into as of July 28, 2023 (the “Effective Date”), by and between Timothy F.

August 2, 2023 EX-10.1

GIBRALTAR INDUSTRIES, INC. CHANGE IN CONTROL EXECUTIVE SEVERANCE PLAN

GIBRALTAR INDUSTRIES, INC. CHANGE IN CONTROL EXECUTIVE SEVERANCE PLAN 1.Purpose. Gibraltar Industries, Inc., a Delaware corporation (the “Company”), has adopted the Gibraltar Industries, Inc. Change in Control Executive Severance Plan (the “Plan”) to provide severance pay and benefits to select employees who are Eligible Executives (as defined below) and whose employment is terminated on or after

August 2, 2023 EX-10.2

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE].

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Restricted Units THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE]. Recitals: Effective as of May 3, 2023, Gibraltar Industries, Inc. (the Company) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. Amended and Restated 2018 Equity Incentive Plan (the “Plan”). The P

August 2, 2023 8-K

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

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) August 2, 2023 (July 28, 2023) GIBRALTAR INDUSTRIES, INC.

August 2, 2023 EX-99.1

GIBRALTAR ANNOUNCES SECOND QUARTER 2023 FINANCIAL RESULTS EPS: GAAP up 11%, Adjusted up 23% on Flat Sales Backlog at $412 Million, up 15% Sequentially, up 1% vs. Prior Year Continued Strong Cash Flow Generation Increasing 2023 EPS Outlook; Reaffirmin

GIBRALTAR ANNOUNCES SECOND QUARTER 2023 FINANCIAL RESULTS EPS: GAAP up 11%, Adjusted up 23% on Flat Sales Backlog at $412 Million, up 15% Sequentially, up 1% vs.

August 2, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) GIBRALTAR INDUSTRIES, INC.

August 2, 2023 EX-10.2

First Amendment to Change in Control Agreement and Employment Agreement

FIRST AMENDMENT TO CHANGE IN CONTROL AGREEMENT AND EMPLOYMENT AGREEMENT This FIRST AMENDMENT TO CHANGE IN CONTROL AGREEMENT AND EMPLOYMENT AGREEMENT (this “Amendment”) is made and entered into as of July 28, 2023 (the “Effective Date”), by and between William T.

August 2, 2023 10-Q

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 ☐ TRANSITION REPORT PU

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 2, 2023 S-8

As filed with the Securities and Exchange Commission on August 2, 2023

As filed with the Securities and Exchange Commission on August 2, 2023 Registration No.

August 2, 2023 EX-10.3

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Performance Units

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Award of Performance Units THIS AWARD is made to [PARTICIPANT NAME] (the “Recipient”) as of [GRANT DATE]. Recitals: Effective as of May 3, 2023, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. Amended and Restated 2018 Equity Incentive Plan (the “Plan

June 28, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22462 A. Full title of the

May 30, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of the registrant as specified in its charter) Delaware 0-22462 16-1445150 (State or other jurisdicti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of the registrant as specified in its charter) Delaware 0-22462 16-1445150 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 3556 Lake Shore Road P.O. Box 2028 Buffalo, New York 1

May 30, 2023 EX-1.01

Exhibit 1.01

Exhibit 1.01 Conflict Minerals Report This report for the year ended December 31, 2022 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Conflict Minerals (hereinafter defined) as directed by the Dodd-Frank

May 8, 2023 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) May 8, 2023 (May 3, 2023) GIBRALTAR

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) May 8, 2023 (May 3, 2023) GIBRALTAR INDUSTRIES, INC.

May 8, 2023 EX-10.1

Exhibit 10.1

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2018 EQUITY INCENTIVE PLAN Effective as of May 7, 2015, Gibraltar Industries, Inc., a Delaware corporation with offices at 3556 Lake Shore Road, Buffalo, New York (the “Company”) adopted an equity-based incentive compensation plan known as the “Gibraltar Industries, Inc. 2015 Equity Incentive Plan” (such plan, as subsequently amended, being hereinaft

May 8, 2023 EX-3.1

Certificate of Amendment of Certificate of Incorporation of Gibraltar Industries, Inc.

CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF GIBRALTAR INDUSTRIES, INC.

May 3, 2023 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) May 3, 2023 (May 3, 2023) GIBRALTAR

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) May 3, 2023 (May 3, 2023) GIBRALTAR INDUSTRIES, INC.

May 3, 2023 10-Q

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 ☐ TRANSITION REPORT P

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

May 3, 2023 EX-99.1

GIBRALTAR ANNOUNCES FIRST QUARTER 2023 FINANCIAL RESULTS Net Sales: GAAP and Adjusted down 8%, EPS: GAAP up 45%, Adjusted up 17% Strong Cash Generation Reaffirms 2023 Net Sales, EPS, Cash Flow Growth Outlook

GIBRALTAR ANNOUNCES FIRST QUARTER 2023 FINANCIAL RESULTS Net Sales: GAAP and Adjusted down 8%, EPS: GAAP up 45%, Adjusted up 17% Strong Cash Generation Reaffirms 2023 Net Sales, EPS, Cash Flow Growth Outlook Buffalo, New York, May 3, 2023 - Gibraltar Industries, Inc.

April 3, 2023 DEF 14A

Table of Contents

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant Filed by a party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

March 24, 2023 PRE 14A

Table of Contents

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant Filed by a party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

February 22, 2023 EX-4.1

DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

EXHIBIT 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, Gibraltar Industries Inc. (the “Company”) had one class of securities, its Common Stock, par value $0.01 per share (the “Common Stock”), registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The Compa

February 22, 2023 EX-99.1

GIBRALTAR ANNOUNCES FOURTH QUARTER AND FULL YEAR 2022 FINANCIAL RESULTS 2022 Revenue: GAAP up 3.7%; Adjusted up 4.7% 2022 EPS: GAAP up 13.8% with Charge; Adjusted up 18.9% 2023 Outlook Calls for Further Margin Expansion and Cash Flow Growth

GIBRALTAR ANNOUNCES FOURTH QUARTER AND FULL YEAR 2022 FINANCIAL RESULTS 2022 Revenue: GAAP up 3.

February 22, 2023 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 22, 2023 (February 22, 2023

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 22, 2023 (February 22, 2023) GIBRALTAR INDUSTRIES, INC.

February 22, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 000-22462 GIBRALTAR INDUSTRIES, IN

February 22, 2023 EX-21.1

Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kansas Gibraltar Industries Holding Company (UK) Limited United Kingdom Rough Brothers Green

EXHIBIT 21.1 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc. as of December 31, 2022. The names of indirectly owned subsidiaries are indented under the names of their respective parent corporations: Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kans

February 10, 2023 SC 13G

ROCK / Gibraltar Industries Inc / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Gibraltar Industries Inc (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

February 9, 2023 SC 13G/A

ROCK / Gibraltar Industries Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0981-gibraltarindustriesin.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)* Name of issuer: Gibraltar Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 374689107 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box

February 6, 2023 SC 13G

ROCK / Gibraltar Industries Inc / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Gibraltar Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

January 31, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) January 31, 2023 (January 31, 2023) GIBRALTAR INDUSTRIES, INC.

January 31, 2023 EX-99.1

GIBRALTAR TO RECORD FOURTH QUARTER 2022 CHARGE FOR PROCESSING BUSINESS WRITE-DOWN 2022 GAAP EPS Range Now Expected to be $2.50 to $2.60 2022 Revenue and Adjusted EPS Ranges Unchanged Gibraltar to Announce Fourth Quarter Financial Results on February

GIBRALTAR TO RECORD FOURTH QUARTER 2022 CHARGE FOR PROCESSING BUSINESS WRITE-DOWN 2022 GAAP EPS Range Now Expected to be $2.

December 27, 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, 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) December 27, 2022 (December 21, 2022) GIBRALTAR INDUSTRIES, INC.

December 9, 2022 EX-10.1

, 2022 among Gibraltar Industries, Inc. and Gibraltar Steel Corporation of New York, as borrowers, the lenders named therein, KeyBank National Association, as administrative agent, swing line lender and issuing lender, KeyBanc Capital Markets Inc., as joint lead arranger and joint book runner, Bank of America, N.A., M&T Bank, PNC Bank, National Association, as joint lead arrangers, joint book runners and co-syndication agents, and Comerica Bank, TD Bank, N.A. and Wells Fargo Bank, National Association, as co-documentation agents

========================================================================================================================================== Published Transaction CUSIP Number: 37468UAF7 Published Revolver CUSIP Number: 37468UAG5 CREDIT AGREEMENT among GIBRALTAR INDUSTRIES, INC.

December 9, 2022 EX-3.1

Second Amended and Restated By-Laws of Gibraltar Industries, Inc.

SECOND AMENDED AND RESTATED BY-LAWS OF GIBRALTAR INDUSTRIES, INC. (the ?Corporation?) Effective as of December 7, 2022 ARTICLE 1 Offices Section a.Registered Office. The registered office of the Corporation shall be fixed in the Certificate of Incorporation of the Corporation, as amended (the ?Certificate of Incorporation?). The registered office and/or registered agent of the Corporation may be c

December 9, 2022 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) December 9, 2022 (December 8, 2022)

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) December 9, 2022 (December 8, 2022) GIBRALTAR INDUSTRIES, INC.

December 9, 2022 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

December 9, 2022 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) December 9, 2022 (December 7, 2022)

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) December 9, 2022 (December 7, 2022) GIBRALTAR INDUSTRIES, INC.

December 9, 2022 EX-99.1

GIBRALTAR ANNOUNCES NEW $400 MILLION CREDIT FACILITY Maintains flexibility to support strategic initiatives

GIBRALTAR ANNOUNCES NEW $400 MILLION CREDIT FACILITY Maintains flexibility to support strategic initiatives Buffalo, New York, December 9, 2022 - Gibraltar Industries, Inc.

December 9, 2022 EX-3.1

Second Amended and Restated By-Laws of Gibraltar Industries, Inc., effective as of December

SECOND AMENDED AND RESTATED BY-LAWS OF GIBRALTAR INDUSTRIES, INC. (the “Corporation”) Effective as of December 7, 2022 ARTICLE 1 Offices Section a.Registered Office. The registered office of the Corporation shall be fixed in the Certificate of Incorporation of the Corporation, as amended (the “Certificate of Incorporation”). The registered office and/or registered agent of the Corporation may be c

December 5, 2022 EX-10.1

Separation Agreement and General Release with Patrick M. Burns dated December 2, 2022

SEPARATION AGREEMENT AND GENERAL RELEASE This Separation Agreement and General Release (the ?Agreement?) is made between Gibraltar Industries, Inc.

December 5, 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, 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) December 5, 2022 (December 2, 2022) GIBRALTAR INDUSTRIES, INC.

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 Number 000-22462

November 3, 2022 EX-99.1

GIBRALTAR ANNOUNCES THIRD QUARTER 2022 FINANCIAL RESULTS Revenue: GAAP up 5.9%, Adjusted up 6.4% EPS: GAAP up 28.6%, Adjusted up 19.1% Raising Lower End and Narrowing Range of GAAP and Adjusted EPS Outlook

GIBRALTAR ANNOUNCES THIRD QUARTER 2022 FINANCIAL RESULTS Revenue: GAAP up 5.9%, Adjusted up 6.4% EPS: GAAP up 28.6%, Adjusted up 19.1% Raising Lower End and Narrowing Range of GAAP and Adjusted EPS Outlook Buffalo, New York, November 3, 2022 - Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and provider of products and services for the renewable energy, residential, agtech and in

November 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) November 3, 2022 (November 3, 2022) GIBRALTAR INDUSTRIES, INC.

August 23, 2022 8-K

Financial Statements and Exhibits, Other Events

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) August 23, 2022 (August 23, 2022) GIBRALTAR INDUSTRIES, INC.

August 23, 2022 EX-99.1

GIBRALTAR ACQUIRES QUALITY ALUMINUM PRODUCTS FOR $54 MILLION Expands Residential Building Capabilities Transaction expected to be immediately accretive to earnings

GIBRALTAR ACQUIRES QUALITY ALUMINUM PRODUCTS FOR $54 MILLION Expands Residential Building Capabilities Transaction expected to be immediately accretive to earnings Buffalo, New York, August 23, 2022 - Gibraltar Industries, Inc.

August 3, 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 ? 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 000-22462 GIBR

August 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) August 3, 2022 (August 3, 2022) GIBRALTAR INDUSTRIES, INC.

August 3, 2022 EX-99.1

GIBRALTAR ANNOUNCES SECOND QUARTER 2022 FINANCIAL RESULTS Revenue: GAAP up 5%, Adjusted up 7%; EPS: GAAP up 13%, Adjusted up 19% Reaffirming 2022 Revenue and EPS Growth Outlook Order Backlog at $408 Million, up 5%

GIBRALTAR ANNOUNCES SECOND QUARTER 2022 FINANCIAL RESULTS Revenue: GAAP up 5%, Adjusted up 7%; EPS: GAAP up 13%, Adjusted up 19% Reaffirming 2022 Revenue and EPS Growth Outlook Order Backlog at $408 Million, up 5% Buffalo, New York, August 3, 2022 - Gibraltar Industries, Inc.

June 24, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

11-K 1 a202111-k.htm 11-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-2

May 24, 2022 EX-1.01

Exhibit 1.01

EX-1.01 2 ex101123121conflictminera.htm EX-1.01 Exhibit 1.01 Conflict Minerals Report This report for the year ended December 31, 2021 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Conflict Minerals (he

May 24, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Delaware 0-22462 16-1445150 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 3556 Lake Shore Road P.O. Box 2028 Buffalo, New York 14219

May 5, 2022 S-8

As filed with the Securities and Exchange Commission on May 5, 2022

As filed with the Securities and Exchange Commission on May 5, 2022 Registration No.

May 5, 2022 EX-10.2

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2016 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS AWARD AGREEMENT

EXHIBIT 10.2 GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2016 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS AWARD AGREEMENT Participant: [] Grant Date: [ ], [20] Number of Shares Awarded: [] 1.Grant of Award. Under the terms of the Amended and Restated Gibraltar Industries, Inc. 2016 Stock Plan for Non-Employee Directors (the ?Plan?), the Compensation and Human Capital Committee (the ?Committee?) of t

May 5, 2022 8-K

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

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) May 5, 2022 (May 4, 2022) GIBRALTAR INDUSTRIES, INC.

May 5, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) GIBRALTAR INDUSTRIES, INC.

May 5, 2022 EX-10.1

GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2016 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (AS PROPOSED TO BE EFFECTIVE AS OF MAY 4, 2022)

EXHIBIT 10.1 GIBRALTAR INDUSTRIES, INC. AMENDED AND RESTATED 2016 STOCK PLAN FOR NON-EMPLOYEE DIRECTORS (AS PROPOSED TO BE EFFECTIVE AS OF MAY 4, 2022) The Board of Directors of Gibraltar Industries, Inc., a Delaware corporation with offices at 3556 Lake Shore Road, Buffalo, New York (the ?Company?) has determined that the Board and the Compensation and Human Capital Committee of the Board (the ?C

May 4, 2022 EX-99.2

Gibraltar Announces 3-Year $200 Million Share Repurchase Program

Gibraltar Announces 3-Year $200 Million Share Repurchase Program Buffalo, New York, May 4, 2022 - Gibraltar Industries, Inc.

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 ? 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 000-22462 GIB

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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) May 4, 2022 (May 3, 2022) GIBRALTAR INDUSTRIES, INC.

May 4, 2022 EX-99.1

GIBRALTAR ANNOUNCES FIRST QUARTER 2022 FINANCIAL RESULTS Revenue: GAAP up 11%, Adjusted up 12%; EPS: GAAP up 47%, Adjusted up 11% Reaffirms 2022 Revenue and EPS Growth Outlook Order Backlog Remains Robust, up 23% Commits to Sale of Agtech’s Processin

GIBRALTAR ANNOUNCES FIRST QUARTER 2022 FINANCIAL RESULTS Revenue: GAAP up 11%, Adjusted up 12%; EPS: GAAP up 47%, Adjusted up 11% Reaffirms 2022 Revenue and EPS Growth Outlook Order Backlog Remains Robust, up 23% Commits to Sale of Agtech?s Processing Business Buffalo, New York, May 4, 2022 - Gibraltar Industries, Inc.

April 1, 2022 DEF 14A

Proxy Statement filed with the Commission on April 1, 2022

DEF 14A 1 a2022defproxystatement.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Com

February 23, 2022 EX-21

Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio Florence Corporation Illinois Florence Corporation of Kansas Kansas Gibraltar Industries Holding Company (UK) Limited United Kingdom Renusol Gmbh Germany

EXHIBIT 21 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc.

February 23, 2022 EX-10.30

November 23, 2020 Dear Betsy: As follow-up to our discussion earlier this week, we are pleased to extend an offer of employment for the position of Chief Human Resources Officer, reporting to me, with an anticipated start date of March 8, 2021. The p

November 23, 2020 Dear Betsy: As follow-up to our discussion earlier this week, we are pleased to extend an offer of employment for the position of Chief Human Resources Officer, reporting to me, with an anticipated start date of March 8, 2021.

February 23, 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, Results of Operations and Financial Condition

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 23, 2022 (February 22, 2022) GIBRALTAR INDUSTRIES, INC.

February 23, 2022 EX-99.1

GIBRALTAR ANNOUNCES FOURTH QUARTER AND 2021 FINANCIAL RESULTS 2021 Revenue of $1.34B, GAAP EPS of $2.25, Adjusted EPS of $2.78 Q4 Revenue of $334.4M, Q4 GAAP EPS of $0.30; Adjusted EPS of $0.54 Order Backlog Increased 16%, Led by Renewables, with Str

GIBRALTAR ANNOUNCES FOURTH QUARTER AND 2021 FINANCIAL RESULTS 2021 Revenue of $1.34B, GAAP EPS of $2.25, Adjusted EPS of $2.78 Q4 Revenue of $334.4M, Q4 GAAP EPS of $0.30; Adjusted EPS of $0.54 Order Backlog Increased 16%, Led by Renewables, with Strength Across the Board 2022 Outlook: Revenue $1.38B-$1.43B, EPS: GAAP $2.80-$3.00, Adjusted $3.20-$3.40 Buffalo, New York, February 23, 2022 - Gibralt

February 23, 2022 10-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? 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 000-22462 GIBRALTAR INDUSTRIES, IN

February 10, 2022 SC 13G/A

ROCK / Gibraltar Industries Inc / 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.: 5)* Name of issuer: Gibraltar Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 374689107 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 fi

February 8, 2022 SC 13G/A

ROCK / Gibraltar Industries Inc / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 15 )* Gibraltar Industries Inc (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate

January 27, 2022 EX-99.1

Gibraltar Announces Preliminary 2021 Financial Results 2021 revenue expected to be in line with previous guidance EPS expected to be below previous guidance due to Renewables challenges in the fourth quarter

Gibraltar Announces Preliminary 2021 Financial Results 2021 revenue expected to be in line with previous guidance EPS expected to be below previous guidance due to Renewables challenges in the fourth quarter Buffalo, New York, January 27, 2022 - Gibraltar Industries, Inc.

January 27, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) January 27, 2022 (January 27, 2022) GIBRALTAR INDUSTRIES, INC.

November 19, 2021 EX-99.1

GIBRALTAR INVESTOR DAY CREATING MEANINGFUL VALUE IN HIGH GROWTH MARKETS November 17, 2021 SAFE HARBOR STATEMENTS 2 Forward-Looking Statements Certain information set forth in this presentation, other than historical statements, contains “forward-look

GIBRALTAR INVESTOR DAY CREATING MEANINGFUL VALUE IN HIGH GROWTH MARKETS November 17, 2021 SAFE HARBOR STATEMENTS 2 Forward-Looking Statements Certain information set forth in this presentation, other than historical statements, contains ?forward-looking statements? within the meaning of the Private Securities Litigation Reform Act of 1995 that are based, in whole or in part, on current expectations, estimates, forecasts, and projections about the Company?s business, and management?s beliefs about future operations, results, and financial position.

November 19, 2021 8-K/A

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A 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 19, 2021 (November 17, 2021) GIBRALTAR INDUSTRIES, INC.

November 17, 2021 EX-99.1

GIBRALTAR INVESTOR DAY CREATING MEANINGFUL VALUE IN HIGH GROWTH MARKETS November 17, 2021 SAFE HARBOR STATEMENTS 2 Forward-Looking Statements Certain information set forth in this presentation, other than historical statements, contains “forward-look

GIBRALTAR INVESTOR DAY CREATING MEANINGFUL VALUE IN HIGH GROWTH MARKETS November 17, 2021 SAFE HARBOR STATEMENTS 2 Forward-Looking Statements Certain information set forth in this presentation, other than historical statements, contains ?forward-looking statements? within the meaning of the Private Securities Litigation Reform Act of 1995 that are based, in whole or in part, on current expectations, estimates, forecasts, and projections about the Company?s business, and management?s beliefs about future operations, results, and financial position.

November 17, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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) November 17, 2021 (November 17, 2021) GIBRALTAR INDUSTRIES, INC.

October 27, 2021 EX-99.1

Gibraltar Announces Third Quarter 2021 Financial Results Q3 Revenue Increased 25% - 4% Organic and 21% from Acquisitions GAAP EPS of $0.84; Adjusted EPS of $0.91 Order Backlog Increases 10% to $385M, Driven by Renewables 2021 Outlook Adjusted for Amp

Gibraltar Announces Third Quarter 2021 Financial Results Q3 Revenue Increased 25% - 4% Organic and 21% from Acquisitions GAAP EPS of $0.

October 27, 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 ? 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 Number 000-22462

October 27, 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, Results of Operations and Financial Condition, Other Events

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) October 27, 2021 (October 26, 2021) GIBRALTAR INDUSTRIES, INC.

October 27, 2021 EX-99.2

Gibraltar Industries President and CEO William Bosway to Become Chairman of the Board of Directors in January 2022 Succeeds William Montague, Who will be Appointed Chairman Emeritus of the Board Effective January 1, 2022 Atlee Valentine Pope to be Na

Gibraltar Industries President and CEO William Bosway to Become Chairman of the Board of Directors in January 2022 Succeeds William Montague, Who will be Appointed Chairman Emeritus of the Board Effective January 1, 2022 Atlee Valentine Pope to be Named Lead Independent Director Buffalo, New York, October 27, 2021 - Gibraltar Industries, Inc.

August 3, 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 ? 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 0-22462 GIBRAL

August 3, 2021 EX-3.1

EX-3.1

August 3, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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) August 3, 2021 (August 3, 2021) GIBRALTAR INDUSTRIES, INC.

August 3, 2021 EX-99.1

Gibraltar Announces Second Quarter 2021 Financial Results Q2 Revenue Increases 37%, including 14% Organic and 23% Growth from Acquisitions GAAP and Adjusted EPS Up 8% and 7%, Respectively, to $0.80 Record Order Backlog Exceeds $400 Million, Led by Re

Gibraltar Announces Second Quarter 2021 Financial Results Q2 Revenue Increases 37%, including 14% Organic and 23% Growth from Acquisitions GAAP and Adjusted EPS Up 8% and 7%, Respectively, to $0.

June 21, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 0-22462 A. Full title of the pl

June 9, 2021 CORRESP

Purchase Price (in millions)

June 9, 2021 United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.

May 28, 2021 EX-1.01

Exhibit 1.01

EX-1.01 2 ex101123120conflictminera.htm EX-1.01 Exhibit 1.01 Conflict Minerals Disclosure and Report This report for the year ended December 31, 2020 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Confli

May 28, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Delaware 0-22462 16-1445150 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 3556 Lake Shore Road P.O. Box 2028 Buffalo, New York 14219

May 6, 2021 EX-99.1

Gibraltar Announces First Quarter 2021 Financial Results Q1 Revenue Increases 34%, including 10% Organic and 24% Growth from Acquisitions GAAP EPS Up 7% to $0.32, Adjusted EPS Expands 33% to $0.53 Strong Demand in Each Segment with Order Backlog at R

EX-99.1 3 exhibit991q12021earningsre.htm EX-99.1 Gibraltar Announces First Quarter 2021 Financial Results Q1 Revenue Increases 34%, including 10% Organic and 24% Growth from Acquisitions GAAP EPS Up 7% to $0.32, Adjusted EPS Expands 33% to $0.53 Strong Demand in Each Segment with Order Backlog at Record $355 Million Separating Renewable Energy and Conservation Segment into Two Segments Buffalo, Ne

May 6, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events, Submission of Matters to a Vote of Security Holders

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) May 6, 2021 (May 5, 2021) GIBRALTAR INDUSTRIES, INC.

May 6, 2021 EX-3.1

Certificate of Amendment to the Certificate of Incorporation of Gibraltar Industries, Inc.

CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF GIBRALTAR INDUSTRIES, INC.

May 5, 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 ? 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 0-22462 GIBRA

April 2, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

March 19, 2021 PRE 14A

- PRE 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

March 2, 2021 EX-99.1

Gibraltar Names Betsy Jensen Chief Human Resources Officer

Gibraltar Names Betsy Jensen Chief Human Resources Officer Buffalo, New York, March 2, 2021 - Gibraltar Industries, Inc.

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, 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) March 2, 2021 (February 25, 2021) GIBRALTAR INDUSTRIES, INC.

March 2, 2021 EX-10.1

Separation Agreement with Cherri M. Syvrud dated February 26, 2021

SEPARATION AGREEMENT AND GENERAL RELEASE This Separation Agreement and General Release (the ?Agreement?) is made as of this 26th day of February 2021 between Gibraltar Industries, Inc.

February 25, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES 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 0-22462 GIBRALTAR INDUSTRIES, INC. Delaware

February 25, 2021 EX-21

AMICO Holding Company, Inc. Delaware Alabama Metal Industries Corporation Delaware Diamond Perforated Metals, Inc. California AMICO Canada, Inc. Canada Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio F

EX-21 2 q42020exhibit21.htm EX-21 EXHIBIT 21 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc. as of December 31, 2020. The names of indirectly owned subsidiaries are indented under the names of their respective parent corporations: AMICO Holding Company, Inc. Delaware Alabama Metal Industries Corporation Delaware Diamond Perforated Metals, Inc. California AMIC

February 25, 2021 EX-99.2

Gibraltar Divests Industrial Business

Gibraltar Divests Industrial Business Buffalo, New York, February 23, 2021 - Gibraltar Industries, Inc.

February 25, 2021 EX-99.3

Gibraltar Board of Directors Appoints Two New Members

Gibraltar Board of Directors Appoints Two New Members Buffalo, N.Y., February 25, 2021 - Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and provider of products and services for the renewable energy, conservation, residential, and infrastructure markets, today announced that its Board of Directors has appointed Gwen G. Mizell, head of Sustainability and Electrification at Ameren

February 25, 2021 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, Results of Operations and Financial Condition, Other Events

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 25, 2021 (February 25, 2021) GIBRALTAR INDUSTRIES, INC.

February 25, 2021 EX-99.1

Gibraltar Announces Full Year And Fourth Quarter 2020 Financial Results Gibraltar Delivers Record Revenue and EPS performance in 2020 2020 Revenues Grow 15%, GAAP, Adjusted EPS Expands 38% and 18%, Respectively Q4 Revenues Improves 17%, GAAP, Adjuste

Gibraltar Announces Full Year And Fourth Quarter 2020 Financial Results Gibraltar Delivers Record Revenue and EPS performance in 2020 2020 Revenues Grow 15%, GAAP, Adjusted EPS Expands 38% and 18%, Respectively Q4 Revenues Improves 17%, GAAP, Adjusted EPS Up 15% and 4%, Respectively Backlog 50% Higher on Continued Renewable Energy and Conservation Demand Buffalo, New York, February 25, 2021 - Gibraltar Industries, Inc.

February 12, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 14 )* Gibraltar Industries Inc (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

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.: 4)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Gibraltar Industries Inc. Title of Class of Securities: Common Stock CUSIP Number: 374689107 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 fi

February 4, 2021 SC 13G/A

CUSIP NO. 374689107 13G Page 1 of 7

gibr20a3.htm - Generated by SEC Publisher for SEC Filing CUSIP NO. 374689107 13G Page 1 of 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* GIBRALTAR INDUSTRIES, INC. (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2020 (Da

January 5, 2021 EX-99.1

Gibraltar Acquires TerraSmart for $220 Million Transaction expected to be immediately accretive to earnings Also acquired Sunfig for $3.75 Million Expects 5-year solar revenue to exceed $700 Million Management to hold conference call at 9am ET today

Gibraltar Acquires TerraSmart for $220 Million Transaction expected to be immediately accretive to earnings Also acquired Sunfig for $3.

January 5, 2021 8-K

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

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) January 5, 2021 (December 31, 2020) GIBRALTAR INDUSTRIES, INC.

January 5, 2021 EX-10.1

Equity Purchase Agreement with TerraSmart, LLC and TerraTrak, LLC

EQUITY PURCHASE AGREEMENT among each of the sellers party hereto, TERRASMART LLC, TERRATRAK, LLC, RBI SOLAR, INC.

October 29, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 0-22462 G

October 29, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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) October 29, 2020 (October 29, 2020) GIBRALTAR INDUSTRIES, INC.

October 29, 2020 EX-99.1

Gibraltar Announces Third-Quarter 2020 Financial Results Q3 Revenues Grow 10%, GAAP and Adjusted EPS Grow 36% and 12%, Respectively Backlog of $304 million up 26% on Renewable Energy and Conservation Demand Strong Balance Sheet and Liquidity Supports

Gibraltar Announces Third-Quarter 2020 Financial Results Q3 Revenues Grow 10%, GAAP and Adjusted EPS Grow 36% and 12%, Respectively Backlog of $304 million up 26% on Renewable Energy and Conservation Demand Strong Balance Sheet and Liquidity Supports Execution and Ongoing Investment in the Business Completes Acquisition of Architectural Mailboxes in Residential Products Segment Buffalo, New York, October 29, 2020 - Gibraltar Industries, Inc.

August 5, 2020 EX-99.1

Gibraltar Announces Second-Quarter 2020 Financial Results Q2 Revenues Grow 9%, GAAP and Adjusted EPS Grow 36% and 15%, Respectively Backlog of $277 Million up 14% on Renewable Energy and Conservation Demand Strong Balance Sheet and Liquidity Supports

EX-99.1 2 exhibit991q22020earnin.htm EX-99.1 Gibraltar Announces Second-Quarter 2020 Financial Results Q2 Revenues Grow 9%, GAAP and Adjusted EPS Grow 36% and 15%, Respectively Backlog of $277 Million up 14% on Renewable Energy and Conservation Demand Strong Balance Sheet and Liquidity Supports Execution and Ongoing Investment in the Business Continue to Execute Pandemic Playbook Buffalo, New York

August 5, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 0-22462 GIBRAL

August 5, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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) August 5, 2020 (August 5, 2020) GIBRALTAR INDUSTRIES, INC.

July 21, 2020 8-K

Other Events

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) July 21, 2020 (July 21, 2020) GIBRALTAR INDUSTRIES, INC.

July 21, 2020 EX-99.1

Gibraltar Industries Names Debbie Murphy Chief Marketing Officer Executive Joins CDIO Chris Lok in Accelerating Go-To-Market Transformation

Gibraltar Industries Names Debbie Murphy Chief Marketing Officer Executive Joins CDIO Chris Lok in Accelerating Go-To-Market Transformation Buffalo, New York, July 21, 2020 - Gibraltar Industries, Inc.

June 17, 2020 11-K

- 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 0-22462 A. Full title of the pl

May 29, 2020 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Commission File Number 0-22462 Delaware 16-1445150 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 3556 Lake Shore Road, P.O. Box 2028 Buffalo, New York 142

May 29, 2020 EX-1.01

Exhibit 1.01

Exhibit 1.02 Conflict Minerals Disclosure and Report This report for the year ended December 31, 2019 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Conflict Minerals (hereinafter defined) as directed by

May 8, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition, Submission of Matters to a Vote of Security Holders

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) May 8, 2020 (May 6, 2020) GIBRALTAR INDUSTRIES, INC.

May 8, 2020 EX-99.1

Gibraltar Announces First-Quarter 2020 Financial Results Q1 Revenues Grow 10%, GAAP and Adjusted EPS Grow 95% and 68%, Respectively Backlog of $258 Million up 39% on Renewable Energy and Conservation and Infrastructure Demand Strong Balance Sheet and

EX-99.1 2 exhibit991q12020earnin.htm EXHIBIT 99.1 Gibraltar Announces First-Quarter 2020 Financial Results Q1 Revenues Grow 10%, GAAP and Adjusted EPS Grow 95% and 68%, Respectively Backlog of $258 Million up 39% on Renewable Energy and Conservation and Infrastructure Demand Strong Balance Sheet and Liquidity Supports Execution and Ongoing Improvement in the Business First-Hand Experience with SAR

May 6, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 0-22462 GIBRA

April 3, 2020 DEF 14A

ROCK / Gibraltar Industries, Inc. DEF 14A - - DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14

March 3, 2020 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, Results of Operations and Financial Condition

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) March 3, 2020 (February 26, 2020) GIBRALTAR INDUSTRIES, INC.

March 3, 2020 EX-99.1

Gibraltar Announces Fourth-Quarter 2019 Financial Results Q4 Revenues Grow 7%, GAAP and Adjusted EPS Grow 10% and 32%, Respectively Full Year Cash Flow from Operations up 33% 2020 Growth Supported by Strong Backlog and End Market Demand

Gibraltar Announces Fourth-Quarter 2019 Financial Results Q4 Revenues Grow 7%, GAAP and Adjusted EPS Grow 10% and 32%, Respectively Full Year Cash Flow from Operations up 33% 2020 Growth Supported by Strong Backlog and End Market Demand Buffalo, New York, February 28, 2020 - Gibraltar Industries, Inc.

March 3, 2020 EX-10.3

Award of Performance Units dated as of March 2, 2020 to Patrick M. Burns

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Performance Units THIS AWARD is made to Patrick M. Burns (the “Recipient”) as of this 2nd day of March, 2020. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). An Award to the Recipient

March 3, 2020 EX-99.2

Gibraltar Board of Directors Appoints Two New Members

Gibraltar Board of Directors Appoints Two New Members February 27, 2020 Vice Chairman Frank G.

March 3, 2020 EX-10.1

Award of Performance Units dated as of March 2, 2020 to William T. Bosway

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Performance Units THIS AWARD is made to William T. Bosway (the “Recipient”) as of this 2nd day of March, 2020. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). An Award to the Recipien

March 3, 2020 EX-10.2

Award of Performance Units dated as of March 2, 2020 to Timothy F. Murphy

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Performance Units THIS AWARD is made to Timothy F. Murphy (the “Recipient”) as of this 2nd day of March, 2020. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). An Award to the Recipien

February 28, 2020 EX-3.1

CERTIFICATE OF INCORPORATION GIBRALTAR STEEL CORPORATION

EXHIBIT 3.1 STATE OF DELAWARE SECRETARY OF STATE DIVISION OF CORPORATIONS FILED 02:30 PM 09/17/l993 753260005 -2351447 CERTIFICATE OF INCORPORATION OF GIBRALTAR STEEL CORPORATION The undersigned, a natural person over the age of 18 years, for the purpose of organizing a corporation for conducting the business and promoting the purposes hereinafter stated, under the provisions and subject to the re

February 28, 2020 EX-4.3

DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

EXHIBIT 4.3 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2019, Gibraltar Industries Inc. (the “Company”) had one class of securities, its Common Stock, par value $0.01 per share, registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The Company’s Common Stock is

February 28, 2020 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES ACT OF 1934 For 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 0-22462 GIBRALTAR INDUSTRI

February 28, 2020 EX-21

AMICO Holding Company, Inc. Delaware Alabama Metal Industries Corporation Delaware Diamond Perforated Metals, Inc. California AMICO Canada, Inc. Canada Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio F

EXHIBIT 21 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc.

February 19, 2020 8-K

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

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 19, 2020 (February 14, 2020) GIBRALTAR INDUSTRIES, INC.

February 19, 2020 EX-10.1

Asset Purchase Agreement with Delta Separations, LLC

EXECUTION VERSION ASSET PURCHASE AGREEMENT by and among DELTA SEPARATIONS, LLC, And TEACHING TECH, LLC As “Sellers”, BENJAMIN STEPHENS, ALLEN K.

February 19, 2020 EX-99.1

Gibraltar Acquires Assets of Delta Separations Expands Suite of Extraction Solutions for Plant Based Biomass Processing

Gibraltar Acquires Assets of Delta Separations Expands Suite of Extraction Solutions for Plant Based Biomass Processing Buffalo, N.

February 12, 2020 SC 13G/A

ROCK / Gibraltar Industries, Inc. / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 13)* GIBRALTAR INDUSTRIES INC (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

February 12, 2020 SC 13G

ROCK / Gibraltar Industries, Inc. / BARROW HANLEY MEWHINNEY & STRAUSS LLC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Gibraltar Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check appropriate box to designate the rule pursuant to which this S

February 12, 2020 SC 13G/A

ROCK / Gibraltar Industries, Inc. / 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.: 3)* Name of issuer: Gibraltar Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 374689107 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 fil

February 3, 2020 SC 13G/A

ROCK / Gibraltar Industries, Inc. / FRANKLIN MUTUAL ADVISERS LLC Passive Investment

gibr19a2.htm - Generated by SEC Publisher for SEC Filing CUSIP NO. 374689107 13G Page 1 of 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* GIBRALTAR INDUSTRIES, INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2019 (Date of Even

January 17, 2020 EX-99.1

Gibraltar Acquires Assets of Thermo Energy Systems Expands Leadership Position in Commercial Growing Industry

Gibraltar Acquires Assets of Thermo Energy Systems Expands Leadership Position in Commercial Growing Industry Buffalo, N.

January 17, 2020 8-K

Financial Statements and Exhibits, Other Events

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) January 17, 2020 (January 15, 2020) GIBRALTAR INDUSTRIES, INC.

October 25, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 Number 0-22462 G

October 25, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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) October 25, 2019 (October 25, 2019) GIBRALTAR INDUSTRIES, INC.

October 25, 2019 EX-99.1

Gibraltar Announces Third-Quarter 2019 Financial Results Revenues Grow 7%, GAAP and Adjusted EPS Grow 25% and 34%, Respectively Strong Cash Flow from Operations of $66 Million Acquires Apeks Supercritical, CO2 Extraction Leader, Establishing Processi

Gibraltar Announces Third-Quarter 2019 Financial Results Revenues Grow 7%, GAAP and Adjusted EPS Grow 25% and 34%, Respectively Strong Cash Flow from Operations of $66 Million Acquires Apeks Supercritical, CO2 Extraction Leader, Establishing Processing Presence Narrowing 2019 Revenue and EPS Guidance to Upper End of Previous Range on Strong Backlog Buffalo, New York, October 25, 2019 - Gibraltar Industries, Inc.

July 26, 2019 S-8 POS

ROCK / Gibraltar Industries, Inc. S-8 POS - - S-8 POS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 3 TO REGISTRATION NO. 333-211347 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Delaware 16-1445150 (State or other jurisdiction of incorporation Organization) (I.R.S. Employer Identification No.) 35

July 26, 2019 S-8 POS

ROCK / Gibraltar Industries, Inc. S-8 POS - - S-8 POS

S-8 POS 1 a2019s-8pos2018equityplan.htm S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO REGISTRATION NO. 333-224877 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Delaware 16-1445150 (State or other jurisdiction of incorporation Organ

July 26, 2019 S-8 POS

ROCK / Gibraltar Industries, Inc. S-8 POS - - S-8 POS

S-8 POS 1 a2019s-8pos2015equityplan.htm S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 4 TO REGISTRATION NO. 333-204415 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Delaware 16-1445150 (State or other jurisdiction of incorporation Organ

July 26, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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) July 26, 2019 (July 26, 2019) GIBRALTAR INDUSTRIES, INC.

July 26, 2019 EX-99.1

Gibraltar Announces Second-Quarter 2019 Financial Results Reports Revenues of $262.7 Million, GAAP EPS of $0.61 and Adjusted EPS of $0.73 Gibraltar Reaffirms Guidance for 2019 Based on Record Backlog

Gibraltar Announces Second-Quarter 2019 Financial Results Reports Revenues of $262.

July 26, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 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 Number 0-22462 GIBRAL

June 14, 2019 11-K

ROCK / Gibraltar Industries, Inc. 11-K - - 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ( X ) ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ( ) TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 0-22462 A. Full title of the pl

May 28, 2019 EX-1.01

Exhibit 1.01

Exhibit 1.02 Conflict Minerals Disclosure and Report This report for the year ended December 31, 2018 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). The Rule was adopted by the Securities and Exchange Commission (the “SEC”) to implement reporting and disclosure requirements related to Conflict Minerals (hereinafter defined) as directed by

May 28, 2019 SD

ROCK / Gibraltar Industries, Inc. SD - - SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Commission File Number 0-22462 Delaware 16-1445150 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 3556 Lake Shore Road, P.O. Box 2028 Buffalo, New York 142

May 6, 2019 EX-99.1

Gibraltar Announces First-Quarter 2019 Financial Results Revenues of $227.4 Million Exceeded Guidance GAAP EPS of $0.19 and Adjusted EPS of $0.28 In Line with Expectations

Gibraltar Announces First-Quarter 2019 Financial Results Revenues of $227.4 Million Exceeded Guidance GAAP EPS of $0.19 and Adjusted EPS of $0.28 In Line with Expectations Buffalo, New York, May 3, 2019 - Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and distributor of building products for the residential, industrial, infrastructure, and renewable energy and conservation marke

May 6, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition, Submission of Matters to a Vote of Security Holders

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) May 6, 2019 (May 3, 2019) GIBRALTAR INDUSTRIES, INC.

May 3, 2019 10-Q

Quarterly Report - 10-Q

10-Q 1 rock-20190331x10q.htm 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 Commission File Number 0-22462 GIBRALTAR INDUSTRIES, INC. (Exact name of Registrant as specified in its charter) Delaware 16-1445150

April 2, 2019 DEF 14A

ROCK / Gibraltar Industries, Inc. DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Defin

March 19, 2019 EX-10.3

EX - 10.3

GIBRALTAR INDUSTRIES, INC. Award of Restricted Units THIS AWARD is made to Patrick M. Burns (the “Recipient”) as of this 18th day of March, 2019. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). Under the terms of the Plan, the Committee is author

March 19, 2019 EX-10.1

EX - 10.1

March 8, 2019 Pat Burns Dear Pat: As follow-up to our discussions, we are pleased to extend to you an offer of employment for the position of Chief Operating Officer, Gibraltar Industries, Inc.

March 19, 2019 EX-99.1

Gibraltar Industries Appoints Pat Burns as Chief Operating Officer Executive Brings Strong Operational Excellence Experience to Gibraltar

EX-99.1 5 exhibit991appointmentofnew.htm EXHIBIT 99.1 Gibraltar Industries Appoints Pat Burns as Chief Operating Officer Executive Brings Strong Operational Excellence Experience to Gibraltar Buffalo, NY, March 18, 2019 - Gibraltar Industries, Inc. (Nasdaq: ROCK), a leading manufacturer and distributor of building products for the residential, industrial, infrastructure, and renewable energy and c

March 19, 2019 EX-10.2

EX - 10.2

CHANGE IN CONTROL AGREEMENT This Agreement is made by and between Gibraltar Industries, Inc.

March 19, 2019 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, 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) March 19, 2019 (March 18, 2019) GIBRALTAR INDUSTRIES, INC.

February 27, 2019 EX-10.25

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Restricted Units THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE].

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Restricted Units THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE]. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the Company) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). The Plan provides that the terms and conditions

February 27, 2019 EX-10.22

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Performance Units

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Performance Units THIS AWARD is made to [PARTICIPANT NAME] (the “Recipient”) as of [GRANT DATE]. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). An Award to the Recipient of [TOTAL AW

February 27, 2019 EX-21

AMICO Holding Company, Inc. Delaware Alabama Metal Industries Corporation Delaware Diamond Perforated Metals, Inc. California AMICO Canada, Inc. Canada Appleton Supply Company, Inc. Delaware D.S.B. Holding Corp. Delaware The D.S. Brown Company Ohio F

EXHIBIT 21 SUBSIDIARIES The following is a list of the subsidiaries of Gibraltar Industries, Inc.

February 27, 2019 EX-10.23

GIBRALTAR INDUSTRIES, INC. Award of Restricted Units

GIBRALTAR INDUSTRIES, INC. Award of Restricted Units THIS AWARD is made to (the “Recipient”) as of this day of , 20. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). Under the terms of the Plan, the Committee is authorized to grant equity based co

February 27, 2019 EX-10.26

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Restricted Units THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE].

GIBRALTAR INDUSTRIES, INC. 2018 EQUITY INCENTIVE PLAN Award of Restricted Units THIS AWARD made to [EMPLOYEE NAME] (the “Recipient”) as of [GRANT DATE]. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the Company) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). The Plan provides that the terms and conditions

February 27, 2019 EX-10.24

GIBRALTAR INDUSTRIES, INC. Award of Restricted Units

EX-10.24 4 ex1024-formofnonxexecutive.htm EXHIBIT 10.24 GIBRALTAR INDUSTRIES, INC. Award of Restricted Units THIS AWARD is made to (the “Recipient”) as of this day of , 20. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). Under the terms of the Pl

February 27, 2019 10-K

ROCK / Gibraltar Industries, Inc. 10-K (Annual Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES ACT OF 1934 For the fiscal year ended December 31, 2018 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 0-22462 GIBRALTAR INDUSTR

February 21, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 21, 2019 (February 21, 2019) GIBRALTAR INDUSTRIES, INC.

February 21, 2019 EX-99.1

Gibraltar Announces Fourth-Quarter and Full-Year 2018 Financial Results Reports Revenues of $240.9 Million, In Line with Expectations GAAP EPS of $0.40 and Adjusted EPS of $0.47 Exceed Guidance Range Effective Material Cost Management and 80/20 Initi

Gibraltar Announces Fourth-Quarter and Full-Year 2018 Financial Results Reports Revenues of $240.

February 12, 2019 SC 13G/A

ROCK / Gibraltar Industries, Inc. / Standard Life Aberdeen Plc - STANDARD LIFE ABERDEEN PLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* GIBRALTAR INDUSTRIES, INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

February 12, 2019 SC 13G

ROCK / Gibraltar Industries, Inc. / BARROW HANLEY MEWHINNEY & STRAUSS LLC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Gibraltar Industries Inc (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check appropriate box to designate the rule pursuant to which this Sch

February 11, 2019 SC 13G/A

ROCK / Gibraltar Industries, Inc. / VANGUARD GROUP INC Passive Investment

gibraltarindustriesinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2 )* Name of issuer: Gibraltar Industries Inc Title of Class of Securities: Common Stock CUSIP Number: 374689107 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appr

February 8, 2019 SC 13G/A

ROCK / Gibraltar Industries, Inc. / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 dfs515.htm SCHEDULE 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 12)* GIBRALTAR INDUSTRIES INC (Name of Issuer) Common Stock (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

January 30, 2019 SC 13G/A

ROCK / Gibraltar Industries, Inc. / FRANKLIN MUTUAL ADVISERS LLC Passive Investment

gibr18a1.htm - Generated by SEC Publisher for SEC Filing CUSIP NO. 374689107 13G Page 1 of 8 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* GIBRALTAR INDUSTRIES, INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 374689107 (CUSIP Number) December 31, 2018 (Date of Even

January 25, 2019 EX-99.1

Gibraltar Industries Announces New $400 Million Credit Facility Capacity increases to $400 million from $300 million under prior facility Provides additional flexibility regarding acquisitions and capital allocation

Gibraltar Industries Announces New $400 Million Credit Facility Capacity increases to $400 million from $300 million under prior facility Provides additional flexibility regarding acquisitions and capital allocation Buffalo, NY, January 25, 2019 - Gibraltar Industries, Inc.

January 25, 2019 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) January 25, 2019 (January 24, 2019)

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) January 25, 2019 (January 24, 2019) GIBRALTAR INDUSTRIES, INC.

January 25, 2019 EX-10.1

EX-10.1

===================================================================== ===================================================================== SIXTH AMENDED AND RESTATED CREDIT AGREEMENT among GIBRALTAR INDUSTRIES, INC.

January 25, 2019 EX-10.1

EX - 10.1

EX-10.1 2 gibraltarcreditagreement201.htm EXHIBIT 10.1 ===================================================================== ===================================================================== SIXTH AMENDED AND RESTATED CREDIT AGREEMENT among GIBRALTARINDUSTRIES, INC. GIBRALTAR STEEL CORPORATION OF NEW YORK as Borrowers THE LENDERS NAMED HEREIN as Lenders and KEYBANK NATIONAL ASSOCIATION as Admi

January 7, 2019 EX-10.2

EX - 10.2

RESTRICTIVE COVENANTS AND SEVERANCE AGREEMENT THIS AGREEMENT is made by and between Gibraltar Industries, Inc.

January 7, 2019 EX-10.1

EX - 10.1

December 17, 2018 William T. Bosway Dear Bill: As follow-up to our discussions, we are pleased to extend to you an offer of employment for the position of President and Chief Executive Officer, Gibraltar Industries, Inc., reporting to William Montague, Chairman of the Board. As discussed, upon your acceptance of the terms and conditions contained in this letter, your appointment as President and C

January 7, 2019 EX-10.5

EX - 10.5

GIBRALTAR INDUSTRIES, INC. Award of Restricted Units THIS AWARD is made to William T. Bosway (the “Recipient”) as of this 2nd day of January, 2019. Recitals: Effective as of May 4, 2018, Gibraltar Industries, Inc. (the “Company”) adopted an equity based incentive plan known as the Gibraltar Industries, Inc. 2018 Equity Incentive Plan (the “Plan”). Under the terms of the Plan, the Committee is auth

January 7, 2019 EX-10.4

EX - 10.4

January 2, 2019 Mr. Frank G. Heard Chief Executive Officer Gibraltar Industries, Inc. 3556 Lake Shore Road Buffalo, New York 14219 RE: Amended and Restated Employment Agreement, Dated January 1, 2015 between Gibraltar Industries, Inc. and Frank G. Heard (the “Agreement”) Dear Frank: This letter is intended to confirm our discussions concerning the change in your position as President and Chief Exe

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