CSPI

CSP Inc._February 12, 2026 0000356037false00003560372026-02-122026-02-12

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, 2026 CSP Inc. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On February 12, 2026 CSP Inc. (the “Company”) issued a press release announcing its financial results for the first quarter of fiscal year 2026, which ended on December 31, 2025. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated February 12, 2026 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: February 12, 2026 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

CSP Inc._December 16, 2025 0000356037false00003560372025-12-162025-12-16

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 16, 2025 CSP Inc. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On December 16, 2025 CSP Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full year of fiscal year 2025, which ended on September 30, 2025. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated December 16, 2025 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: December 16, 2025 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

CSP Inc._August 14, 2025 0000356037false00003560372025-08-142025-08-14

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 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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On August 14, 2025 CSP Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of fiscal year 2025, which ended on June 30, 2025. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated August 14, 2025 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: August 14, 2025 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

CSP Inc._May 14, 2025 0000356037false00003560372025-05-142025-05-14

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On May 14, 2025 CSP Inc. (the “Company”) issued a press release announcing its financial results for the second quarter of fiscal year 2025, which ended on March 31, 2025. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated May 14, 2025 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: May 14, 2025 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

CSP Inc._February 10, 2025 0000356037false00003560372025-02-102025-02-10

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 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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On February 10, 2025 CSP Inc. (the “Company”) issued a press release announcing its financial results for the first quarter of fiscal year 2025, which ended on December 31, 2024. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated February 10, 2025 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: February 10, 2025 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

CSP Inc._December 20, 2024 0000356037false00003560372024-12-202024-12-20

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On December 20, 2024 CSP Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter of fiscal year 2024, which ended on September 30, 2024. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated December 20, 2024 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: December 20, 2024 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372024-08-132024-08-13

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On August 13, 2024 CSP Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of fiscal year 2024, which ended on June 30, 2024. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated August 13, 2024 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: August 13, 2024 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372024-05-082024-05-08

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On May 8, 2024 CSP Inc. (the “Company”) issued a press release announcing its financial results for the second quarter of fiscal year 2024, which ended on March 31, 2024. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated May 8, 2024 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: May 8, 2024 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372024-02-142024-02-14

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On February 14, 2024 CSP Inc. (the “Company”) issued a press release announcing its financial results for the first quarter of fiscal year 2024, which ended on December 31, 2023. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated February 14, 2024 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: February 14, 2024 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372023-12-122023-12-12

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On December 12, 2023 CSP Inc. (the “Company”) issued a press release announcing its financial results for the fiscal fourth quarter and fiscal year 2023, which ended on September 30, 2023. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated December 12, 2023 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: December 12, 2023 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372023-05-102023-05-10

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02   Results of Operations and Financial Condition. ​ On August 9, 2023 CSP Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of fiscal year 2023, which ended on June 30, 2023. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01   Financial Statements and Exhibits. ​ (d)Exhibits 99.1Press Release Dated August 9, 2023

​ ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: August 9, 2023 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372023-05-102023-05-10

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02   Results of Operations and Financial Condition. ​ On May 10, 2023 CSP Inc. (the “Company”) issued a press release announcing its financial results for the second quarter of fiscal year 2023, which ended on March 31, 2023. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01   Financial Statements and Exhibits. ​ (d)Exhibits 99.1Press Release Dated May 10, 2023

​ ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: May 10, 2023 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372023-02-082023-02-08

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On February 8, 2023 CSP Inc. (the “Company”) issued a press release announcing its financial results for the first quarter of fiscal year 2023, which ended on December 31, 2022. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated February 8, 2023 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: February 8, 2023 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372022-12-062022-12-06

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On December 6, 2022 CSP Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full fiscal year 2022, which ended on September 30, 2022. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated December 6, 2022 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: December 6, 2022 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372022-08-102022-08-10

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On August 10, 2022 CSP Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of fiscal year 2022, which ended on June 30, 2022. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated August 10, 2022 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: August 10, 2022 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372022-05-112022-05-11

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02 Results of Operations and Financial Condition. ​ On May 11, 2022 CSP Inc. (the “Company”) issued a press release announcing its financial results for the second quarter of fiscal year 2022, which ended on March 31, 2022. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01 Financial Statements and Exhibits ​ (d)Exhibits 99.1Press Release Dated May 11, 2022 ​ ​

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: May 11, 2022 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372022-02-092022-02-09

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02   Results of Operations and Financial Condition. ​ On February 9, 2022 CSP Inc. (the “Company”) issued a press release announcing its financial results for the first quarter of fiscal year 2022, which ended on December 31, 2021. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01   Financial Statements and Exhibits. ​ (d)Exhibits 99.1Press Release Dated February 9, 2022

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: February 9, 2022 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

0000356037false00003560372021-12-082021-12-08

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. (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.)

​ ​

​

175 Cabot Street - Suite 210, Lowell, MA 01854

(Address of principal executive offices) (Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

​ ​

Item 2.02   Results of Operations and Financial Condition. ​ On December 8, 2021 CSP Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full fiscal year 2021, which ended on September 30, 2021. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01   Financial Statements and Exhibits. ​ (d)Exhibits 99.1Press Release Dated December 8, 2021

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: December 8, 2021 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer ​ ​ ​

8-K 1 cspi-20210811x8k.htm 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 11, 2021 CSP Inc. (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.)

​ ​ ​

​

175 Cabot Street - Suite 210, Lowell, MA

01854

(Address of principal executive offices)

(Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ◻ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

Item 2.02   Results of Operations and Financial Condition. ​ On August 11, 2021 CSP Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of fiscal year 2021, which ended on June 30, 2021. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01   Financial Statements and Exhibits. ​ (d)Exhibits 99.1Press Release Dated August 11, 2021

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: August 11, 2021 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer

8-K 1 cspi-20210511x8k.htm 8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549 ​

FORM 8-K

​ Current Report Pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934 ​ Date of Report (Date of earliest event reported): May 11, 2021 CSP Inc. (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.)

​ ​ ​

​

175 Cabot Street - Suite 210, Lowell, MA

01854

(Address of principal executive offices)

(Zip Code)

​ (978) 954-5038 (Registrant’s telephone number, including area code) ​ Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ​ ◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ​ Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ◻ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻ ​ Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class Trading Symbol(s) Name of each exchange on which registered

Common Stock, par value $0.01 per share

CSPI

Nasdaq Global Market

Item 2.02   Results of Operations and Financial Condition. ​ On May 11, 2021 CSP Inc. (the “Company”) issued a press release announcing its financial results for the second quarter of fiscal year 2021, which ended on March 31, 2021. A copy of the press release relating to such announcement is attached hereto as Exhibit 99.1 and is incorporated herein by reference. ​ The information set forth in this Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that Section. The information in this Form 8-K shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing. ​ Item 9.01   Financial Statements and Exhibits. ​ (d)Exhibits 99.1Press Release Dated May 11, 2021

SIGNATURE

​ ​ Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​

CSP INC.

​ Date: May 11, 2021 ​ By: /s/Gary W. Levine Gary W. Levine Chief Financial Officer