CSPI / CSP Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

CSP Inc.
US ˙ NasdaqGM ˙ US1263891053

Mga Batayang Estadistika
CIK 356037
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 CSP 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 14, 2025 EX-99.1

CSPi Generates 18% Revenue Growth During FY 2025 Third Quarter Reports Continued Progress Penetrating AZT PROTECT™ Sales Channels as Managed Services and Cloud-Based Businesses Maintain Growth Trajectories

Exhibit 99.1 CSPi Generates 18% Revenue Growth During FY 2025 Third Quarter Reports Continued Progress Penetrating AZT PROTECT™ Sales Channels as Managed Services and Cloud-Based Businesses Maintain Growth Trajectories LOWELL, Mass., August 14, 2025 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solu

August 14, 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 14, 2025 CSP Inc. (Exact na

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 14, 2025 CSP Inc.

August 14, 2025 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ 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 0-10843 CSP

May 29, 2025 EX-1.01

Conflict Minerals Report of CSP, Inc.

Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2024 to December 31, 2024 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2024 to December 31, 2024. In August 2012, the U.

May 29, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP 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 CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) 0-10843 (Commission File Number) 04-2441294 (IRS Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offi

May 15, 2025 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ 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 0-10843 CSP

May 14, 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): May 14, 2025 CSP Inc.

May 14, 2025 EX-99.1

CSPi Reports Fiscal 2025 Second Quarter Results; AZT PROTECT New Business Pipeline Continues to Increase Globally Board Declares $0.03 per Share Quarterly Dividend

Exhibit 99.1 CSPi Reports Fiscal 2025 Second Quarter Results; AZT PROTECT New Business Pipeline Continues to Increase Globally Board Declares $0.03 per Share Quarterly Dividend LOWELL, Mass., May 14, 2025 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, today announced results for the fiscal

March 31, 2025 8-K

Changes in Registrant's Certifying Accountant

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 27, 2025 CSP Inc.

March 11, 2025 EX-FILING FEES

Filing fee table

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) CSP INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities 15 Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common stock, par value $0.01 per sh

March 11, 2025 S-8

As filed with the Securities and Exchange Commission on March 11, 2025

As filed with the Securities and Exchange Commission on March 11, 2025 Registration No.

February 14, 2025 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

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 12, 2025 CSP Inc.

February 14, 2025 EX-16.1

Letter from RSM US LLP dated as of February 14, 2025

Exhibit 16.1 RSM US LLP 2811 Ponce de Leon Blvd February 14, 2025 Suite 820 Coral Gables, FL 33134 Securities and Exchange Commission T +1 305 446 0114 Washington, D.C. 20549 F +1 305 442 7478 www.rsmus.com Commissioners: We have read CSP Inc’s statements included under Item 4.01 of its Form 8-K filed on February 14, 2025 and we agree with such statements concerning our firm.

February 10, 2025 EX-99.1

CSPi Reports Continued Business Momentum and Profitability During Fiscal 2025 First Quarter; Services Revenue Grow 17% and Gross Margin Expands Board Declares $0.03 per Share Quarterly Dividend

Exhibit 99.1 CSPi Reports Continued Business Momentum and Profitability During Fiscal 2025 First Quarter; Services Revenue Grow 17% and Gross Margin Expands Board Declares $0.03 per Share Quarterly Dividend LOWELL, Mass., February 10, 2025 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, tod

February 10, 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): February 10, 2025 CSP Inc. (Exact

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 10, 2025 CSP Inc.

February 10, 2025 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period 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 0-10843

February 6, 2025 8-K

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): February 4, 2025 CSP Inc.

December 30, 2024 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.)

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)) ⌧ Defin

December 20, 2024 EX-19.1

Insider Trading Policy

Exhibit 19.1 INSIDER TRADING POLICY CSP, INC. This Insider Trading Policy (the “Policy”) provides guidelines with respect to transactions in the securities of CSP, Inc. (together with its subsidiaries, the “Company”) and the handling of confidential information about the Company and the companies with which the Company does business. The Company’s Board of Directors (the “Board”) has adopted this

December 20, 2024 EX-99.1

CSPi Reports Fiscal Fourth Quarter and Full Year 2024 Results; Recurring Sales Continue to Rise as Percentage of Total Revenue; AZT PROTECT Market Momentum Builds; Cash Position of More Than $30 Million as of September 30, 2024 Board Declares $0.03 p

Exhibit 99.1 CSPi Reports Fiscal Fourth Quarter and Full Year 2024 Results; Recurring Sales Continue to Rise as Percentage of Total Revenue; AZT PROTECT Market Momentum Builds; Cash Position of More Than $30 Million as of September 30, 2024 Board Declares $0.03 per Share Quarterly Dividend LOWELL, Mass., December 20, 2024 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet

December 20, 2024 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Corp., L

December 20, 2024 10-K

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2024. ☐ 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 000-10843 CSP Inc.

December 20, 2024 EX-4.1

Description of Securities

EXHIBIT 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 CSP, Inc. has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. In this Exhibit 4.1, when we refer to “CSP,”, “CSPI”, the “Company,” “we,” “us” or “our”, we mean CSP, Inc., excluding, unless otherwise

December 20, 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): December 20, 2024 CSP Inc.

December 19, 2024 EX-99.1

CSPi Enhances Board of Directors with Addition of Seasoned Industry Executives

Exhibit 99.1 CSPi Enhances Board of Directors with Addition of Seasoned Industry Executives LOWELL, MA, December 17, 2024 – CSP Inc. (NASDAQ:CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, today announced that the size of the Company's Board of Directors has been increased from five to seven members, adding tw

December 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): December 17, 2024 CSP Inc.

August 19, 2024 SC 13D

CSPI / CSP Inc. / NERGES JOSEPH R Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 CSP INC (Name of Issuer) Common Stock Common Stock, Par Value $0.001 per share (Title of Class of Securities) 126389105 (CUSIP Number) Joseph R Nerges 1726 Bundy St Scranton, PA 18508 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communica

August 19, 2024 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ 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 0-10843 CSP

August 15, 2024 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 13, 2024 EX-99.1

CSP Inc. Reports Fiscal Third Quarter 2024 Operating Results; Service Revenue Grows 10% Driving Continued Gross Margin Percentage; Near-record Cash Position Achieved While Continuing Infrastructure Buildout Supporting AZT PROTECT™ Market Penetration

Exhibit 99.1 CSP Inc. Reports Fiscal Third Quarter 2024 Operating Results; Service Revenue Grows 10% Driving Continued Gross Margin Percentage; Near-record Cash Position Achieved While Continuing Infrastructure Buildout Supporting AZT PROTECT™ Market Penetration AZT PROTECT adds Customers and Increased Reseller Partnerships to Accelerate Global Adoption LOWELL, Mass., August 13, 2024 – CSP Inc. (N

August 13, 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): August 13, 2024 CSP Inc.

June 27, 2024 EX-3.1

Articles of Amendment to CSP Inc.’s Articles of Organization, adopted June 26, 2024 (Incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed on June 27, 2024)

Exhibit 3.1 MA SOCFiling Number: 202479424440Date: 6/26/2024 1:14:50 PM The Commonwealth of Massachusetts William Francis Galvin Secretary of the Commonwealth One Ashburton Place, Boston, Massachusetts 02108-1512 FORM MUST BE TYPED Articles of Amendment FORM MUST BE TYPED (General Laws Chapter 156D, Section 10.06; 950 CMR 113.34) (1) Exact name of corporation: CSP INC. (2) Registered office addres

June 27, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, 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): June 26, 2024 CSP Inc.

May 28, 2024 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.)

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)) ⌧ Defin

May 24, 2024 EX-1.01

Conflict Minerals Report of CSP, Inc.

Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2023 to December 31, 2023 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2023 to December 31, 2023. In August 2012, the U.

May 24, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP 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 CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) 0-10843 (Commission File Number) 04-2441294 (IRS Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offi

May 15, 2024 PRE 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.)

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)) ◻ Defin

May 9, 2024 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ 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 0-10843 CSP

May 8, 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 8, 2024 CSP Inc.

May 8, 2024 EX-99.1

CSP Inc. Reports Fiscal Second Quarter 2024 Operating Results; 23% Growth in Services Revenue Drives Gross Margin Percentage Expansion to 47% and Nearly Five-Fold Increase in Net Income ARIA Zero Trust PROTECT (“AZT PROTECT™” or “AZT”) Launch Broaden

Exhibit 99.1 CSP Inc. Reports Fiscal Second Quarter 2024 Operating Results; 23% Growth in Services Revenue Drives Gross Margin Percentage Expansion to 47% and Nearly Five-Fold Increase in Net Income ARIA Zero Trust PROTECT (“AZT PROTECT™” or “AZT”) Launch Broadens to Address Mid-Market Opportunity While Fortune 500 Pipeline Increases; Global Pharmaceutical Company Signs Multi-Million Dollar AZT Co

February 22, 2024 EX-3.1

Articles of Amendment to CSP Inc.’s Articles of Organization, adopted February 21, 2024 (Incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K filed on February 22, 2024)

Exhibit 3.1 To: MA SOC Filing Number: 202452170430 Date: 2/21/20241:12:35 PM Page:2of4 2024-02-21 13:1011 EST 6172270178 From: MA Corporate D PC ut'bc Qtommonwcaltb of ffla.S'.S'acbu.S'ctt.S' William Francis Galvin Secretary of the Commonwealth P.C. One Ashburton Place, Boston, Massachusetts 02108~ 1512 FORM MUST BE TYPED Articles of Amendment FORM MUST BE TYPED (General Laws Chapter 156D, Section

February 22, 2024 EX-99.1

CSP Inc. Announces 2-for-1 Stock Split in the form of a 100% Stock Dividend

Exhibit 99.1 CSP Inc. Announces 2-for-1 Stock Split in the form of a 100% Stock Dividend LOWELL, Mass., February 21, 2024 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, today announced that the Board of Directors has approved and declared a two-for-one stock split in the form of a 100% sto

February 22, 2024 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 21, 2024 CSP Inc. (Exact

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 CSP Inc.

February 14, 2024 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period 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 0-10843

February 14, 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 14, 2024 CSP Inc.

February 14, 2024 EX-99.1

CSP Inc. Reports Fiscal First Quarter 2024 Operating Results; Success of ARIA Zero Trust PROTECT Generates Immediate Interest Among Fortune 50 Companies Significant Business Momentum of AZT Demonstrated by Recently Awarded Multi-Million Dollar Contra

Exhibit 99.1 CSP Inc. Reports Fiscal First Quarter 2024 Operating Results; Success of ARIA Zero Trust PROTECT Generates Immediate Interest Among Fortune 50 Companies Significant Business Momentum of AZT Demonstrated by Recently Awarded Multi-Million Dollar Contract with a Global Pharmaceutical Company Pace and Number of AZT Evaluations is Increasing as Organizations Seek to Protect Enterprises fro

February 9, 2024 SC 13G/A

CSPI / CSP 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 )* CSP Inc (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

February 8, 2024 8-K

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): February 6, 2024 CSP Inc.

December 20, 2023 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.)

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)) ⌧ Defin

December 13, 2023 EX-97.1

Policy relating to recovery of erroneously awarded compensation

Exhibit 97.1 CSP, INC. CLAWBACK POLICY 1. In the event CSP, Inc. (the "Company") is required to prepare an accounting restatement after the adoption of this policy due to material noncompliance of the Company with any financial reporting requirement under the securities laws, the Company will use reasonable efforts to recover from any current or former executive officer of the Company, and any oth

December 13, 2023 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Corp., L

December 13, 2023 10-K

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2023. ☐ 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 000-10843 CSP Inc.

December 12, 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): December 12, 2023 CSP Inc.

December 12, 2023 EX-99.1

CSP Inc. Reports 19% Year-over-Year Revenue Growth for Fiscal 2023; Net Income per Common Share - Diluted Increases 161% to $1.09 Commenced Fiscal 2024 with Momentum as Recently Launched AZT PROTECT Offering Secures Initial Customer Orders and Genera

Exhibit 99.1 CSP Inc. Reports 19% Year-over-Year Revenue Growth for Fiscal 2023; Net Income per Common Share - Diluted Increases 161% to $1.09 Commenced Fiscal 2024 with Momentum as Recently Launched AZT PROTECT Offering Secures Initial Customer Orders and Generates Enthusiasm at Several Industry Conferences Year End Backlog of Over $7 Million Returns to Pre-Pandemic Levels as Supply Chain Challen

August 9, 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): August 9, 2023 CSP Inc.

August 9, 2023 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ 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 0-10843 CSP

August 9, 2023 EX-99.1

CSP Inc.’s Momentum Increased During Fiscal Third Quarter as Revenue Grows 33% Compared to the Prior Year Fiscal Third Quarter Latest Product Launch, of ARIA Zero Trust PROTECT (AZT PROTECT™), is Generating Considerable Attention from Industry Leader

Exhibit 99.1 CSP Inc.’s Momentum Increased During Fiscal Third Quarter as Revenue Grows 33% Compared to the Prior Year Fiscal Third Quarter Latest Product Launch, of ARIA Zero Trust PROTECT (AZT PROTECT™), is Generating Considerable Attention from Industry Leaders Patented AI Technology Protects Critical Operational Technology Environments from Growing Cybersecurity Threats; Sales will Contribute

May 25, 2023 EX-1.01

Conflict Minerals Report of CSP, Inc.

Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2022 to December 31, 2022 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2022 to December 31, 2022. In August 2012, the U.

May 25, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP 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 CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) 0-10843 (Commission File Number) 04-2441294 (IRS Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offi

May 10, 2023 EX-99.1

CSP Inc. MOMENTUM CONTINUES DURING FISCAL SECOND QUARTER WITH 11% REVENUE GROWTH AND DILUTED EARNINGS PER COMMON SHARE OF $0.07 COMPARED TO $0.03 IN THE PRIOR FISCAL YEAR SECOND QUARTER, QUARTERLY DIVIDEND OF $0.04 PER SHARE DECLARED Backlog Exceeds

Exhibit 99.1 CSP Inc. MOMENTUM CONTINUES DURING FISCAL SECOND QUARTER WITH 11% REVENUE GROWTH AND DILUTED EARNINGS PER COMMON SHARE OF $0.07 COMPARED TO $0.03 IN THE PRIOR FISCAL YEAR SECOND QUARTER, QUARTERLY DIVIDEND OF $0.04 PER SHARE DECLARED Backlog Exceeds $22 Million as Demand for Award-Winning Products and Services Remain High Recurring Revenue Increased 25% from Prior Year Second Quarter

May 10, 2023 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ 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 0-10843 CSP

May 10, 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): May 10, 2023 CSP Inc.

February 10, 2023 8-K

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): February 7, 2023 CSP Inc.

February 10, 2023 SC 13G/A

CSPI / CSP 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. 14 )* CSP Inc (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

February 9, 2023 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period 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 0-10843

February 8, 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): February 8, 2023 CSP Inc.

February 8, 2023 EX-99.1

CSP Inc. GROWS FISCAL FIRST QUARTER REVENUE 48% FROM PRIOR YEAR FIRST QUARTER; REPORTS EPS of $0.21 Gross Backlog of Approximately $22.9 Million; Board Declares Cash Dividend

Exhibit 99.1 CSP Inc. GROWS FISCAL FIRST QUARTER REVENUE 48% FROM PRIOR YEAR FIRST QUARTER; REPORTS EPS of $0.21 Gross Backlog of Approximately $22.9 Million; Board Declares Cash Dividend LOWELL, Mass., February 8, 2023 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, today reported continue

January 27, 2023 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 4 cspi-20230127xexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Table FORM S-8 (Form Type) CSP, Inc. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of R

January 27, 2023 S-8

As filed with the Securities and Exchange Commission on January 27, 2023

As filed with the Securities and Exchange Commission on January 27, 2023 Registration No.

December 22, 2022 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.)

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

December 8, 2022 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 ? SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. ? NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 ? Massachusetts ? ? ? CSP Inc. Foreign Sa

December 8, 2022 10-K

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2022. ☐ 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 000-10843 CSP Inc.

December 6, 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): December 6, 2022 CSP Inc.

December 6, 2022 EX-99.1

CSP Inc. FISCAL FOURTH QUARTER REVENUE INCREASES 67%; EPS of $0.31; GROSS BACKLOG OF $23.2 MILLION REMAINS NEAR RECORD LEVEL Full Year Gross Margin Increase Reflects Continued Demand for High Margin Products and Services

Exhibit 99.1 CSP Inc. FISCAL FOURTH QUARTER REVENUE INCREASES 67%; EPS of $0.31; GROSS BACKLOG OF $23.2 MILLION REMAINS NEAR RECORD LEVEL Full Year Gross Margin Increase Reflects Continued Demand for High Margin Products and Services LOWELL, Mass., December 6, 2022 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and

August 10, 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.

August 10, 2022 EX-99.1

CSP Inc. REPORTS FISCAL THIRD QUARTER RESULTS; RECORD GROSS BACKLOG REACHES $23.8 MILLION AND GROSS MARGIN CONTINUES EXPANSION High Customer Demand Driving Business Momentum Reinstates and Declares Quarterly Dividend

Exhibit 99.1 CSP Inc. REPORTS FISCAL THIRD QUARTER RESULTS; RECORD GROSS BACKLOG REACHES $23.8 MILLION AND GROSS MARGIN CONTINUES EXPANSION High Customer Demand Driving Business Momentum Reinstates and Declares Quarterly Dividend LOWELL, Mass., August 10, 2022 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and tech

August 10, 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 10, 2022 CSP Inc.

May 27, 2022 EX-1.01

Conflict Minerals Report of CSP, Inc.

Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2021 to December 31, 2021 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2021 to December 31, 2021. In August 2012, the U.

May 27, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP 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 ? CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) ? 0-10843 (Commission File Number) ? 04-2441294 (IRS Employer Identification No.) ? ? ? ? ? ? ? 175 Cabot St, Suite 210, Lowell MA (Address of pr

May 11, 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): May 11, 2022 CSP Inc.

May 11, 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.

May 11, 2022 EX-99.1

Gross Margin Expansion Reflects Continued Demand for Higher Margin Products and Services

Exhibit 99.1 CSP Inc. REPORTS IMPROVING BUSINESS TRENDS DURING SECOND FISCAL QUARTER AS RECORD BACKLOG EXCEEDS $17 MILLION Gross Margin Expansion Reflects Continued Demand for Higher Margin Products and Services LOWELL, Mass., May 11, 2022 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, rep

March 22, 2022 S-8

As filed with the Securities and Exchange Commission on March 22, 2022

? ?? ? ? As filed with the Securities and Exchange Commission on March 22, 2022 Registration No.

March 22, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 ? ? Calculation of Filing Fee Table FORM S-8 (Form Type) CSP, Inc. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of Registration Fee(2) Equity (1) Common Stock, $0.01 par value

February 10, 2022 8-K

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): February 8, 2022 CSP Inc.

February 9, 2022 EX-99.1

CSP Inc. REPORTS IMPROVED FISCAL FIRST QUARTER FINANCIAL RESULTS

Exhibit 99.1 CSP Inc. REPORTS IMPROVED FISCAL FIRST QUARTER FINANCIAL RESULTS LOWELL, Mass., February 9, 2022 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, reported improved financial and operating results for the fiscal 2022 first quarter ended December 31, 2021, and provided a business

February 9, 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): February 9, 2022 CSP Inc.

February 9, 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.

February 8, 2022 SC 13G/A

CSPI / CSP Inc. / DIMENSIONAL FUND ADVISORS LP - SEC 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. 13 )* CSP Inc (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is f

December 27, 2021 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.)

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

December 8, 2021 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): December 8, 2021 CSP Inc.

December 8, 2021 10-K

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

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

December 8, 2021 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 ? SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. ? NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 ? Massachusetts ? ? ? CSP Inc. Foreign Sa

December 8, 2021 EX-99.1

CSP Inc. REPORTS FISCAL 2021 FOURTH QUARTER AND FULL YEAR RESULTS; QUARTERLY AND ANNUAL GROSS MARGIN CONTINUED TO EXPAND Achieves Record 9/30 Gross Backlog of $13 Million

Exhibit 99.1 CSP Inc. REPORTS FISCAL 2021 FOURTH QUARTER AND FULL YEAR RESULTS; QUARTERLY AND ANNUAL GROSS MARGIN CONTINUED TO EXPAND Achieves Record 9/30 Gross Backlog of $13 Million LOWELL, Mass., December 8, 2021 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, reported financial and oper

August 12, 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.

August 11, 2021 EX-99.1

CSP Inc. REPORTS FISCAL 2021 THIRD QUARTER RESULTS Continued Year-over-Year Gross Margin Improvement Validates Business Strategy

Exhibit 99.1 CSP Inc. REPORTS FISCAL 2021 THIRD QUARTER RESULTS Continued Year-over-Year Gross Margin Improvement Validates Business Strategy LOWELL, Mass., August 11, 2021 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional services and technology solutions, reported financial and operating results for the fiscal 2021 third qua

August 11, 2021 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 11, 2021 CSP Inc.

May 28, 2021 EX-1.01

Conflict Minerals Report of CSP, Inc.

EX-1.01 2 tmb-20210528xex1d01.htm EX-1.01 Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2020 to December 31, 2020 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2020 to

May 28, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP 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 ? CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) ? 0-10843 (Commission File Number) ? 04-2441294 (IRS Employer Identification No.) ? ? ? ? ? ? ? 175 Cabot St, Suite 210, Lowell MA (Address of pr

May 13, 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.

May 11, 2021 EX-99.1

CSP Inc. REPORTS FISCAL 2021 SECOND QUARTER RESULTS; SIXTH CONSECUTIVE QUARTER OF YEAR-OVER-YEAR GROSS MARGIN IMPROVEMENT Proactive Customer Engagement and Maintenance of Organizational Infrastructure During Pandemic Leads to Emerging Revenue Opportu

Exhibit 99.1 CSP Inc. REPORTS FISCAL 2021 SECOND QUARTER RESULTS; SIXTH CONSECUTIVE QUARTER OF YEAR-OVER-YEAR GROSS MARGIN IMPROVEMENT Proactive Customer Engagement and Maintenance of Organizational Infrastructure During Pandemic Leads to Emerging Revenue Opportunities and Increased Profitability LOWELL, Mass., May 11, 2021 ? CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packe

May 11, 2021 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 11, 2021 CSP Inc.

February 16, 2021 8-K

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): February 9, 2021 CSP 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. 12 )* CSP Inc (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (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 this Schedule is f

February 11, 2021 EX-99.1

CSP Inc. REPORTS FISCAL FIRST QUARTER 2021 RESULTS; FIFTH CONSECUTIVE QUARTER OF YEAR-OVER-YEAR GROSS MARGIN IMPROVEMENT Company Experiencing Rising Interest of ARIA Advanced Detection and Response (ADR) Solution to Address Cyber Attacks

Exhibit 99.1 CSP Inc. REPORTS FISCAL FIRST QUARTER 2021 RESULTS; FIFTH CONSECUTIVE QUARTER OF YEAR-OVER-YEAR GROSS MARGIN IMPROVEMENT Company Experiencing Rising Interest of ARIA Advanced Detection and Response (ADR) Solution to Address Cyber Attacks LOWELL, Mass., February 11, 2021 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and profess

February 11, 2021 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 11, 2021 CSP Inc.

February 11, 2021 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 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 0-10843

January 20, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (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 this Schedule is f

December 30, 2020 DEF 14A

- 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 ⌧ 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)) ⌧ Defin

December 28, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 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 28, 2020 CSP Inc.

December 28, 2020 EX-99.1

CSP Inc. REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2020 RESULTS Continues to Generate Enthusiasm for Award-Winning Cyber Security Solutions; Enters Fiscal Year 2021 with Record New Business Pipeline and Solid Cash Position

Exhibit 99.1 CSP Inc. REPORTS FISCAL FOURTH QUARTER AND FISCAL YEAR 2020 RESULTS Continues to Generate Enthusiasm for Award-Winning Cyber Security Solutions; Enters Fiscal Year 2021 with Record New Business Pipeline and Solid Cash Position LOWELL, Mass., December 28, 2020 – CSP Inc. (NASDAQ: CSPI), an award-winning provider of security and packet capture products, managed IT and professional servi

December 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 EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2020. ◻ 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 000-10843 CSP Inc.

December 28, 2020 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Corp., L

December 28, 2020 EX-4.1

Description of Securities

EXHIBIT 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 CSP, Inc. has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. In this Exhibit 4.1, when we refer to “CSP,”, “CSPI”, the “Company,” “we,” “us” or “our”, we mean CSP, Inc., excluding, unless otherwise

August 11, 2020 EX-99.1

CSP Inc. REPORTS FISCAL YEAR 2020 THIRD QUARTER RESULTS New Business Pipeline for Cybersecurity Solutions Continues to Grow

Exhibit 99.1 CSP Inc. REPORTS FISCAL YEAR 2020 THIRD QUARTER RESULTS New Business Pipeline for Cybersecurity Solutions Continues to Grow LOWELL, Mass., August 11, 2020 – CSP Inc. (NASDAQ: CSPI), a provider of security and packet capture products, managed IT and professional services and technology solutions, reported financial and operating results for the 2020 fiscal third quarter ended June 30,

August 11, 2020 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 11, 2020 CSP Inc.

August 11, 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 0-10843 CSP

May 27, 2020 EX-1.01

Conflict Minerals Report of CSP, Inc.

Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2019 to December 31, 2019 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2019 to December 31, 2019. In August 2012, the U.

May 27, 2020 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) 0-10843 (Commission File Number) 04-2441294 (IRS Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offi

May 14, 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 0‑10843 CSP

May 14, 2020 EX-99.1

CSP INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED BALANCE SHEETS (Amounts in thousands)

Exhibit 99.1 CSP Inc. REPORTS FISCAL YEAR 2020 SECOND QUARTER FINANCIAL RESULTS LOWELL, Mass., May 14, 2020 – CSP Inc. (NASDAQ: CSPI), a provider of security and packet capture products, managed IT and professional services and technology solutions, reported financial results for the 2020 fiscal second quarter ended March 31, 2020 and provided a business update. “Our team was performing well durin

May 14, 2020 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 14, 2020 CSP Inc.

April 23, 2020 EX-10.1

Note, dated as of April 17, 2020, by, and between Paragon Bank and CSP, Inc.

DocuSign Envelope ID: 6B06C741-E7D7-41E6-9718-754F0E522792 DocuSign Envelope ID: 6B06C741-E7D7-41E6-9718-754F0E522792 SBA LOAN # 61979571-06 SBA LOAN NAME CSP, INC.

April 23, 2020 EX-10.2

Note, dated as of April 17, 2020, by, and between Paragon Bank and Modcomp, Inc.

DocuSign Envelope ID: 2B7306BA-E54C-4FCC-9F4B-78F37A7C8A4D DocuSign Envelope ID: 2B7306BA-E54C-4FCC-9F4B-78F37A7C8A4D U.

April 23, 2020 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, 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 17, 2020 CSP Inc.

February 12, 2020 10-Q

CSPI / CSP, Inc. 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 December 31, 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 0‑10843

February 12, 2020 8-K

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): February 11, 2020 CSP Inc.

February 12, 2020 SC 13G/A

CSPI / CSP, 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. 11)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (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 this Schedule is fi

February 12, 2020 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 12, 2020 CSP Inc.

February 10, 2020 SC 13G

CSPI / CSP, Inc. / CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* CSP INC /MA/ (Name of Issuer) CSP INC (Title of Class of Securities) 126389105 (CUSIP Number) January 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

January 22, 2020 SC 13G/A

CSPI / CSP, Inc. / NERGES JOSEPH R - AMENDMENT NO. 5 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 5)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (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 this Schedule is f

January 13, 2020 SC 13G

CSPI / CSP, Inc. / CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* CSP INC /MA/ (Name of Issuer) CSP INC (Title of Class of Securities) 126389105 (CUSIP Number) Calendar Year 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which thi

December 26, 2019 DEF 14A

CSPI / CSP, Inc. DEF 14A - - 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 ☒ 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)) ☒ Defin

December 10, 2019 EX-99.1

CSP Inc. REPORTS FISCAL FOURTH QUARTER AND FULL YEAR 2019 FINANCIAL RESULTS; Increased DIRECT Sales Capabilities for ARIA Software-defined Security (SDS) solution Position Company for Growth in Fiscal 2020

Exhibit 99.1 CSP Inc. REPORTS FISCAL FOURTH QUARTER AND FULL YEAR 2019 FINANCIAL RESULTS; Increased DIRECT Sales Capabilities for ARIA Software-defined Security (SDS) solution Position Company for Growth in Fiscal 2020 LOWELL, Mass., December 10, 2019 –CSPi (NASDAQ: CSPI), a provider of security and packet capture products, managed IT and professional services and technology solutions, reported re

December 10, 2019 10-K

CSPI / CSP, Inc. 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 EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2019. ☐ 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 000‑10843 CSP Inc.

December 10, 2019 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Corp., L

December 10, 2019 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): December 10, 2019 CSP Inc.

November 18, 2019 EX-99.1

CSP, Inc. Board of Directors Announces a New Corporate Governance Policy Board Adopts Directors Resignation Policy in Connection with Majority Withhold Vote

Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954-5040 CSP, Inc. Board of Directors Announces a New Corporate Governance Policy Board Adopts Directors Resignation Policy in Connection with Majority Withhold Vote LOWELL, MA, November 15, 2019 – CSP Inc. (NASDAQ: CSPI) today announced the Board of Directors’ adoption of a Director Resignation Policy which provides that in an unconte

November 18, 2019 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): November 15, 2019 CSP Inc.

October 31, 2019 SC 13G

CSPI / CSP, Inc. / Stewart James Andrew Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* CSP Inc. (Name of Issuer) Common Stock $0.01 Par Value (Title of Class of Securities) 126389105 (CUSIP Number) March 19, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sc

August 7, 2019 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 7, 2019 CSP Inc.

August 7, 2019 EX-99.1

CSPi Reports Third-Quarter 2019 Financial Results Declares Quarterly Dividend of $0.15 Per Share

Exhibit 99.1 Contact:Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.616.9065 CSPi Reports Third-Quarter 2019 Financial Results Declares Quarterly Dividend of $0.15 Per Share Lowell, MA, August 07, 2019 – CSPi (NASDAQ: CSPI), a provider of IT managed services, security solutions and packet capture products, today reported financial results for the third quarter ended June 30, 2

August 7, 2019 10-Q

CSPI / CSP, Inc. 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 0‑10843 CSP

May 31, 2019 SD

CSPI / CSP, Inc. SD - - SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation or organization) 0-10843 (Commission File Number) 04-2441294 (IRS Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offi

May 31, 2019 EX-1.01

CSP Inc. Conflict Minerals Report For the reporting period January 1, 2018 to December 31, 2018

Exhibit 1.01 CSP Inc. Conflict Minerals Report For the reporting period January 1, 2018 to December 31, 2018 This Conflict Minerals Report (the “Report”) of CSP Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2018 to December 31, 2018. In August 2012, the U.

May 21, 2019 S-8

CSPI / CSP, Inc. S-8 - - S-8

As filed with the Securities and Exchange Commission on May 21, 2019 Registration No.

May 17, 2019 8-K/A

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2019 CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State or Other Jurisdiction of Incorporation) 000-10843 (Commission

May 8, 2019 EX-99.1

CSPi Reports Second-Quarter 2019 Financial Results Declares Quarterly Dividend of $0.15 Per Share

Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.616.9065 CSPi Reports Second-Quarter 2019 Financial Results Declares Quarterly Dividend of $0.15 Per Share Lowell, MA, May 08, 2019 - CSPi (NASDAQ: CSPI), a provider of IT managed services, security solutions and packet capture products, today reported financial results for the second quarter ended March 31,

May 8, 2019 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 8, 2019 CSP Inc.

May 8, 2019 10-Q

Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019, filed with the SEC on May 8, 2019

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2019 or o 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 0-10843 CSP Inc. (Exact name

February 14, 2019 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2019 CSP Inc. (Exact Name of Registrant as Specified in its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 000-10843 (Commission File Number) 04-24

February 13, 2019 EX-99.1

CSPi Reports First-Quarter 2019 Financial Results Declares Quarterly Dividend of $0.15 Per Share

Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.616.9065 CSPi Reports First-Quarter 2019 Financial Results Declares Quarterly Dividend of $0.15 Per Share Lowell, MA, February 12, 2019 - CSPi (NASDAQ: CSPI), a provider of security and packet capture products, managed IT and professional services and technology solutions, today reported financial results for

February 13, 2019 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 12, 2019 CSP Inc.

February 13, 2019 10-Q

Registrant’s Quarterly Report on Form 10-Q for the quarter ended December 31, 2018, filed with the SEC on February 13, 2019

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended December 31, 2018 or o 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 0-10843 CSP Inc. (Exact na

February 8, 2019 SC 13G/A

CSPI / CSP, 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. 10)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (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 this Schedule is fi

January 25, 2019 DEFR14A

2015 Stock Incentive Plan

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)) ¨ Defi

January 17, 2019 SC 13G/A

CSPI / CSP, Inc. / NERGES JOSEPH R - AMENDMENT NO. 4 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 4)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (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 this Schedule is f

January 7, 2019 DEF 14A

CSPI / CSP, 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 x 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)) x Defi

December 27, 2018 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): December 27, 2018 CSP Inc.

December 27, 2018 EX-99.1

CSPi Reports Fourth-Quarter and Full-Year Fiscal 2018 Financial Results

EX-99.1 2 a8-k9x30x18ex991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.606.9065 CSPi Reports Fourth-Quarter and Full-Year Fiscal 2018 Financial Results Lowell, MA, December 27, 2018 - CSPi (NASDAQ: CSPI), a provider of security and packet capture products, managed IT and professional services and technology solutions, today reported fi

December 27, 2018 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Inc. Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Cor

December 27, 2018 10-K

Registrant’s Annual Report on Form 10-K for the fiscal year ended September 30, 2018, filed with the SEC on December 27, 2018;

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 EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2018. ¨ 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 000-10843 CSP Inc. (Exact name of Reg

August 14, 2018 10-Q

CSPI / CSP, Inc. 10-Q (Quarterly Report)

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2018 or o 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 0-10843 CSP Inc. (Exact name o

August 13, 2018 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 13, 2018 CSP Inc.

August 13, 2018 EX-99.1

CSPi Reports Third-Quarter Fiscal 2018 Financial Results

EX-99.1 2 a8-k6x30x18ex991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.455.3251 CSPi Reports Third-Quarter Fiscal 2018 Financial Results Lowell, MA, August 13, 2018 - CSPi (NASDAQ: CSPI), a provider of managed IT services, security solutions and packet capture products, today reported financial results for the third quarter ended June

August 3, 2018 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

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, 2018 CSP Inc.

August 3, 2018 EX-99.1

CSPi Closes on Sale of Germany Operations Company to Focus Increased Time and Resources on Higher-Margin Managed Services Opportunities

Exhibit 99.1 CSPi Closes on Sale of Germany Operations Company to Focus Increased Time and Resources on Higher-Margin Managed Services Opportunities LOWELL, Mass., July 31, 2018 - CSPi (NASDAQ:CSPI), a provider of IT managed services, security solutions and packet capture products, today announced that it has closed on the sale of its Germany operations (CSPi GmbH, Technology Solutions) to Europea

July 27, 2018 SD

CSPI / CSP, Inc. SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State of incorporation) 0-10843 (Commission File Number) 04-2441294 (I.R.S Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offices) 01854 (Zip Code) Gary W. Levine

July 27, 2018 EX-1.01

CSP, Inc. Conflict Minerals Report For the reporting period January 1, 2017 to December 31, 2017

Exhibit 1.01 CSP, Inc. Conflict Minerals Report For the reporting period January 1, 2017 to December 31, 2017 This Conflict Minerals Report (the “Report”) of CSP, Inc. (the “Company”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2017 to December 31, 2017. In August 2012, the

June 27, 2018 EX-2.1

Share Purchase and Assignment Agreement

a8k62118ex21

June 27, 2018 EX-99.1

Chief Financial Officer

EX-99.1 3 a8-k6x21x18ex991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.455.3251 CSPi Announces Sale of Germany Operations to Reply a European IT Service Provider Conglomerate 06/27/2018 Company to Focus Increased Time and Resources on Higher-Margin Managed Services Opportunities LOWELL, Mass., June 27, 2018 (GLOBE NEWSWIRE) - CSPi (NAS

June 27, 2018 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, 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): June 27, 2018 CSP Inc.

May 10, 2018 10-Q

CSPI / CSP, Inc. 10-Q (Quarterly Report)

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2018 or o 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 0-10843 CSP Inc. (Exact name

May 9, 2018 EX-99.1

CSPi Reports Second-Quarter Fiscal 2018 Financial Results

EX-99.1 2 a8-k3x31x18ex991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.455.3251 CSPi Reports Second-Quarter Fiscal 2018 Financial Results Lowell, MA, May 9, 2018 - CSPi (NASDAQ: CSPI), a provider of IT managed services, security solutions and packet capture products, today reported financial results for the second quarter ended March 3

May 9, 2018 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 9, 2018 CSP Inc.

February 20, 2018 8-K

Submission of Matters to a Vote of Security Holders

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2018 CSP Inc. (Exact Name of Registrant as Specified in its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 000-10843 (Commission File Numb

February 14, 2018 EX-10.2

Forms of Employee Restricted Stock Award Agreement

CSP INC. EMPLOYEE RESTRICTED STOCK AWARD AGREEMENT 2015 STOCK INCENTIVE PLAN This Restricted Stock Agreement (“Agreement”) is made and entered into as of the Award Date (as defined hereinafter) by and between CSP Inc., a Massachusetts corporation (the “Company”), and       (the “Recipient”). This Agreement is and shall be subject in every respect to the provisions of the Company’s 2015 Stock Incen

February 14, 2018 EX-10.1

Executive Retention and Service Agreement with Victor Dellovo, dated September 4, 2012

EX-10.1 2 csp123117ex101.htm EXHIBIT 10.1

February 14, 2018 10-Q

CSPI / CSP, Inc. 10-Q (Quarterly Report)

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended December 31, 2017 or o 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 0-10843 CSP Inc. (Exact na

February 12, 2018 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 12, 2018 CSP Inc.

February 12, 2018 EX-99.1

CSPi Reports First-Quarter Fiscal 2018 Financial Results

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSPi Tel: 978.954.5040 Fax: 978.455.3251 CSPi Reports First-Quarter Fiscal 2018 Financial Results Lowell, MA, February 12, 2018 - CSPi (NASDAQ: CSPI), a provider of IT managed services, security solutions and packet capture products, today reported financial results for the first quarter ended December 31, 2017. The Company also ann

February 9, 2018 SC 13G/A

CSPI / CSP, 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. 9)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is fil

February 7, 2018 SC 13G

CSPI / CSP, Inc. / CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* CSP INC /MA/ (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

January 9, 2018 SC 13G/A

CSPI / CSP, Inc. / NERGES JOSEPH R - AMENDMENT NO. 3 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is f

January 5, 2018 DEF 14A

CSPI / CSP, Inc. DEF 14A

Document 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 x 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

January 5, 2018 10-K/A

CSPI / CSP, Inc. 10-K/A (Annual Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Amendment No. 1) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2017. ? 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 000-10

December 22, 2017 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 x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2017. ¨ 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 000-10843 CSP Inc. (Exact name of R

December 22, 2017 EX-21

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Inc. Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Cor

December 21, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 19, 2017 CSP Inc.

December 21, 2017 EX-99.1

CSPi Reports Fourth-Quarter and Full-Year Fiscal 2017 Financial Results

EX-99.1 2 a9-30x17991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5040 Fax: 978.455.3251 CSPi Reports Fourth-Quarter and Full-Year Fiscal 2017 Financial Results Lowell, MA, December 19, 2017 - CSP Inc. (NASDAQ: CSPI), a provider of advanced security products and security services, as well as IT technology managed services for diverse application

August 23, 2017 EX-99.1

CSP Inc. Promotes Two Senior Executives

Exhibit Exhibit 99.1 CSP Inc. Promotes Two Senior Executives Appointments Strengthen CSPi?s Position as Security Solutions Provider and Demonstrates Continued Commitment to Operational Excellence LOWELL, Mass., Aug. 17, 2017. CSP Inc. (NASDAQ:CSPI), a provider of advanced security products and security services, as well as IT technology managed services for diverse applications, today announced th

August 23, 2017 8-K

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

Document 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 17, 2017 CSP Inc.

August 15, 2017 EX-99.1

CSP INC. AND SUBSIDIARIES UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Amounts in thousands) June 30, 2017 September 30, 2016 Assets Current assets: Cash and short-term investments $ 16,001 $ 13,103 Accounts receivable, net 21,139 19,564 Inventor

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5040 Fax: 978.455.3251 CSPi Reports Third-Quarter Fiscal 2017 Financial Results Lowell, MA, August 14, 2017 - CSP Inc. (NASDAQ: CSPI), a provider of advanced security products and security services, as well as IT technology managed services for diverse applications, today reported financial results for the thir

August 15, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 14, 2017 CSP Inc.

August 14, 2017 10-Q

Quarterly Report - 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2017 o 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 0-10843 CSP Inc. (Exact name of R

May 30, 2017 SD

CSP SD

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State of incorporation) 0-10843 (Commission File Number) 04-2441294 (I.R.S Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offices) 01854 (Zip Code) Gary

May 30, 2017 EX-1.01

CSP, Inc. Conflict Minerals Report For the reporting period January 1, 2016 to December 31, 2016

Exhibit Exhibit 1.01 CSP, Inc. Conflict Minerals Report For the reporting period January 1, 2016 to December 31, 2016 This Conflict Minerals Report (the ?Report?) of CSP, Inc. (the ?Company?) has been prepared pursuant to Rule 13p-1 and Form SD (the ?Rule?) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2016 to December 31, 2016. In August 20

May 25, 2017 8-K

CSP 8-K (Current Report/Significant Event)

Document 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 24, 2017 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

May 25, 2017 EX-99.1

CSP Inc. Reports Second-Quarter Fiscal 2017 Financial Results

EX-99.1 2 a10q3-31x17991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5040 Fax: 978.455.3251 CSP Inc. Reports Second-Quarter Fiscal 2017 Financial Results Lowell, MA, May 24, 2017 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and high-performance Ethernet products for diverse applications, today reported financial results for the second q

May 24, 2017 10-Q

CSP 10-Q (Quarterly Report)

Document United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2017 o 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 0-10843 CSP Inc. (Exact

May 15, 2017 NT 10-Q

CSP NT 10-Q

Document SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 15, 2017 EX-99.1

CSP Inc. Announces Filing Extension for Form 10-Q

EX-99.1 2 cspincxmax8kx5-15x17xex99.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5040 Fax: 978.455.3251 CSP Inc. Announces Filing Extension for Form 10-Q LOWELL, Mass., May 15, 2017 - CSP Inc. (NASDAQ:CSPI) today announced that the Company will file a Form 12b-25 notification of late filing with the Securities and Exchange Commission to receive a

May 15, 2017 8-K

CSP 8-K (Current Report/Significant Event)

Document 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 15, 2017 CSP Inc.

March 1, 2017 8-K

CSP 8-K (Current Report/Significant Event)

Document 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, 2017 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

March 1, 2017 EX-99.1

CSP Inc. Reports First-Quarter Fiscal 2017 Financial Results

EX-99.1 2 a10q12-31x16991.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978-954-5040 Fax: 978-455-3251 CSP Inc. Reports First-Quarter Fiscal 2017 Financial Results LOWELL, MA, February 23, 2017 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and high-performance Ethernet products for diverse applications, today reported financial results for the fir

February 28, 2017 EX-99.1

CSP Inc. to Announce First-Quarter Fiscal 2017 Financial Results and Filing of its Form 10-Q after Market Close on February 23 Company to Webcast Conference Call Live at 9:00 a.m. ET on February 24

EX-99.1 2 cspincxmax8kx2-28x17xex99.htm EXHIBIT 99.1 Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.663.7598 ext. 1200 Fax: 978.663.0150 CSP Inc. to Announce First-Quarter Fiscal 2017 Financial Results and Filing of its Form 10-Q after Market Close on February 23 Company to Webcast Conference Call Live at 9:00 a.m. ET on February 24 LOWELL, MA, February 22, 2017 - CSP

February 28, 2017 8-K

Financial Statements and Exhibits, Other Events

Document 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, 2017 CSP Inc.

February 23, 2017 10-Q

CSP 10-Q (Quarterly Report)

Document United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended December 31, 2016 o 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 0-10843 CSP Inc. (Ex

February 22, 2017 8-K

Submission of Matters to a Vote of Security Holders

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2017 CSP Inc. (Exact Name of Registrant as Specified in its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 000-10843 (Commission File Numb

February 15, 2017 8-K

Financial Statements and Exhibits, Other Events

Document 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 14, 2017 CSP Inc.

February 15, 2017 EX-99.1

CSP Inc. Announces Filing Extension for Form 10-Q

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5040 CSP Inc. Announces Filing Extension for Form 10-Q LOWELL, Mass., February 14, 2017 - CSP Inc. ( CSPI ) today announced that the Company will file a Form 12b-25 notification of late filing with the Securities and Exchange Commission to receive a 5 day extension to file its Quarterly Report on Form 10-Q (?Qu

February 14, 2017 NT 10-Q

CSP NT 10-Q

Document SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 10, 2017 SC 13G

CSPI / CSP, Inc. / CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* CSP INC /MA/ (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) Calendar Year 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 9, 2017 SC 13G/A

CSPI / CSP, 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. 7)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is fil

January 18, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Document 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 13, 2017 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

January 18, 2017 EX-99.1

CSP Inc. Reports Fourth-Quarter Fiscal 2016 Financial Results

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5038 ext. 5040 Fax: 978.455.3251 CSP Inc. Reports Fourth-Quarter Fiscal 2016 Financial Results LOWELL, MA, January 12, 2017 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and high-performance Ethernet products for diverse applications, today reported financial results for the fourth quarter of fiscal 201

January 13, 2017 10-K

CSP 10-K (Annual Report)

Document 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 EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2016 . ? 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 000-10843 CSP Inc. (Exact

January 13, 2017 DEF 14A

CSP DEF 14A

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

January 13, 2017 EX-21.1

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Inc. Securities Corp. 175 Cabot Street, Suite 210 Lowell, MA 01854 Massachusetts CSP Inc. Foreign Sales Cor

January 10, 2017 SC 13G/A

CSPI / CSP, Inc. / NERGES JOSEPH R - AMENDMENT NO. 2 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is f

December 30, 2016 EX-99.1

CSP Inc. Announces Filing Extension for Form 10-K Expects to Report YOY Growth in Revenue and EPS for 2016

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.954.5040 CSP Inc. Announces Filing Extension for Form 10-K Expects to Report YOY Growth in Revenue and EPS for 2016 LOWELL, MA, December 29, 2016 - CSP Inc. (NASDAQ: CSPI) today announced that the Company will file a Form 12b-25 notification of late filing with the Securities and Exchange Commission to receive a 15

December 30, 2016 8-K

CSP 8-K (Current Report/Significant Event)

Document 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 29, 2016 CSP Inc.

December 30, 2016 NT 10-K

CSP NT 10-K

Document SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 19, 2016 10-Q

CSP 10-Q (Quarterly Report)

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2016 o 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 0-10843 CSP Inc. (Exact name of R

August 19, 2016 10-Q

CSP 10-Q (Quarterly Report)

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2016 o 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 0-10843 CSP Inc. (Exact name of R

August 18, 2016 8-K

CSP 8-K (Current Report/Significant Event)

Document 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 18, 2016 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

August 18, 2016 EX-99.1

CSP Inc. Reports Third-Quarter Fiscal 2016 Financial Results

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.663.7598 ext. 1200 Fax: 978.455.3251 CSP Inc. Reports Third-Quarter Fiscal 2016 Financial Results Lowell, MA, August 18, 2016 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and purpose-built network adapters for diverse applications, today reported financial results for the third quarter of fiscal 2016 ended

August 18, 2016 EX-99.1

CSP Inc. Reports Third-Quarter Fiscal 2016 Financial Results

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.663.7598 ext. 1200 Fax: 978.455.3251 CSP Inc. Reports Third-Quarter Fiscal 2016 Financial Results Lowell, MA, August 18, 2016 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and purpose-built network adapters for diverse applications, today reported financial results for the third quarter of fiscal 2016 ended

August 18, 2016 8-K

CSP 8-K (Current Report/Significant Event)

Document 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 18, 2016 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

August 16, 2016 NT 10-Q/A

CSP NT 10-Q

Document SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 16, 2016 NT 10-Q/A

CSP NT 10-Q

Document SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 15, 2016 NT 10-Q

CSP NT 10-Q

Document SEC FILE NUMBER: 0-10843 CUSIP NUMBER: 126389105 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 25, 2016 EX-1.01

CSP, Inc. Conflict Minerals Report For the reporting period January 1, 2015 to December 31, 2015

Exhibit Exhibit 1.01 CSP, Inc. Conflict Minerals Report For the reporting period January 1, 2015 to December 31, 2015 This Conflict Minerals Report (the ?Report?) of CSP, Inc. (the ?Company?) has been prepared pursuant to Rule 13p-1 and Form SD (the ?Rule?) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2015 to December 31, 2015. In August 20

May 25, 2016 SD

CSP SD

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CSP Inc. (Exact name of registrant as specified in its charter) Massachusetts (State of incorporation) 0-10843 (Commission File Number) 04-2441294 (I.R.S Employer Identification No.) 175 Cabot St, Suite 210, Lowell MA (Address of principal executive offices) 01854 (Zip Code) Gary

May 13, 2016 EX-99.1

CSP Inc. Reports Second-Quarter Fiscal 2016 Financial Results

SEC Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.663.7598 ext. 1200 Fax: 978-455-3251 CSP Inc. Reports Second-Quarter Fiscal 2016 Financial Results LOWELL, MA, May 11, 2016 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and high-performance Ethernet products for diverse applications, today reported financial results for the second quarter of fiscal 201

May 13, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

SEC Document 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 11, 2016 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

May 13, 2016 10-Q

CSPI / CSP, Inc. 10-Q - Quarterly Report - 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2016 o 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 0-10843 CSP Inc. (Exact name of

February 16, 2016 EX-99.1

CSP Inc. Reports First-Quarter Fiscal 2016 Financial Results

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.663.7598 ext. 1200 Fax: 978.455.3251 CSP Inc. Reports First-Quarter Fiscal 2016 Financial Results LOWELL, MA, February 16, 2016 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and high-performance Ethernet products for diverse applications, today reported financial results for the first quarter of fiscal 2016

February 16, 2016 8-K

CSP 8-K (Current Report/Significant Event)

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 16, 2016 CSP Incorporated (Exact name of the registrant as specified in its charter) Massachusetts (State or other jurisdiction of incorporation) 000-10843 04-2441294 (Commission File Number) (IRS Employer Identification No.

February 16, 2016 8-K

CSP 8-K (Current Report/Significant Event)

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 9, 2016 CSP Inc. (Exact Name of Registrant as Specified in its Charter) Massachusetts (State or Other Jurisdiction of Incorporation) 000-10843 (Commission File Number) 04

February 16, 2016 10-Q

CSPI / CSP, Inc. 10-Q - Quarterly Report - 10-Q

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended December 31, 2015 o 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 0-10843 CSP Inc. (Exact name

February 9, 2016 SC 13G/A

CSPI / CSP, 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. 7)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is fil

February 4, 2016 SC 13G

CSPI / CSP, Inc. / CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* CSP INC /MA/ (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) Calendar Year 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

January 11, 2016 SC 13G/A

CSPI / CSP, Inc. / NERGES JOSEPH R - AMENDMENT NO. 1 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* CSP INC (Name of Issuer) Common Stock (Title of Class of Securities) 126389105 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is f

January 7, 2016 DEF 14A

CSP DEF 14A

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

December 24, 2015 10-K

Annual Report - 10-K

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 EXCHANGE ACT OF 1934 For the Fiscal Year Ended September 30, 2015. ? 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 000-10843 CSP Inc. (Exact name of R

December 24, 2015 EX-10.21

2015 Lowell, MA Lease

December 24, 2015 EX-10.20

2015 Deerfield Beach, FL Lease

December 24, 2015 EX-99.1

CSP Inc. Reports Fourth-Quarter Fiscal 2014 Financial Results

Exhibit Exhibit 99.1 Contact: Gary Levine Chief Financial Officer CSP Inc. Tel: 978.663.7598 ext. 1200 Fax: 978.663.3992 CSP Inc. Reports Fourth-Quarter Fiscal 2014 Financial Results LOWELL, MA, December 23, 2015 - CSP Inc. (NASDAQ: CSPI), a provider of IT solutions and high-performance Ethernet products for diverse applications, today reported financial results for the fourth quarter and full yea

December 24, 2015 EX-21

SUBSIDIARIES OF THE REGISTRANT

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Each of the below listed subsidiaries is 100% directly owned by CSP Inc. except as otherwise indicated, and all are included in the consolidated financial statements. NAME OF SUBSIDIARY STATE OR OTHER JURISDICTION OF INCORPORATION/ ORGANIZATION CSP Inc. Securities Corp. 43 Manning Road Billerica, MA 01821-3901 Massachusetts CSP Inc. Foreign Sales Corp.,

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