IRDM

irdm-202602120001418819☐00014188192026-02-122026-02-12

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, 2026

Iridium Communications Inc. (Exact name of registrant as specified in its charter)

Delaware001-3396326-1344998 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

1750 Tysons Boulevard Suite 1400 McLean, VA 22102 (Address of principal executive offices)

703-287-7400 (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 Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading SymbolName of each exchange on which registered Common Stock, $0.001 par valueIRDMThe Nasdaq Stock Market LLC

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. ☐

Item 2.02. Results of Operations and Financial Condition.

On February 12, 2026, Iridium Communications Inc. issued a press release announcing its financial results for the fourth quarter and fiscal year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit NumberDescription 99.1Press release dated February 12, 2026

104Cover Page Interactive Data File (embedded within the Inline XBRL document)*

*    Submitted electronically with this Report in accordance with the provisions of Regulation S-T

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.

IRIDIUM COMMUNICATIONS INC.

Date: February 12, 2026                     By:    /s/ Vincent J. O’Neill Name:     Vincent J. O’Neill Title:     Chief Financial Officer

irdm-202510230001418819☐00014188192025-10-232025-10-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 23, 2025

Iridium Communications Inc. (Exact name of registrant as specified in its charter)

Delaware001-3396326-1344998 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

1750 Tysons Boulevard Suite 1400 McLean, VA 22102 (Address of principal executive offices)

703-287-7400 (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 (see General Instruction A.2 below): ☐    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 Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, $0.001 par valueIRDMThe Nasdaq Stock Market LLC

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. ☐

Item 2.02. Results of Operations and Financial Condition.

On October 23, 2025, Iridium Communications Inc. issued a press release announcing its financial results for the third quarter ended September 30, 2025. The text of the press release is included as Exhibit 99.1 to this Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit NumberDescription 99.1Press release dated October 23, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document).*

*    Submitted electronically with this Report in accordance with the provisions of Regulation S-T

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.

IRIDIUM COMMUNICATIONS INC.

Date: October 23, 2025 By:/s/ Vincent J. O’Neill Name: Vincent J. O’Neill Title: Chief Financial Officer

irdm-202507240001418819☐00014188192025-07-242025-07-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 24, 2025

Iridium Communications Inc. (Exact name of registrant as specified in its charter)

Delaware001-3396326-1344998 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

1750 Tysons Boulevard Suite 1400 McLean, VA 22102 (Address of principal executive offices)

703-287-7400 (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 (see General Instruction A.2 below): ☐    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 Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, $0.001 par valueIRDMThe Nasdaq Stock Market LLC

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. ☐

Item 2.02. Results of Operations and Financial Condition.

On July 24, 2025, Iridium Communications Inc. issued a press release announcing its financial results for the second quarter ended June 30, 2025. The text of the press release is included as Exhibit 99.1 to this Form 8-K. Pursuant to the rules and regulations of the Securities and Exchange Commission, such exhibit and the information set forth therein and herein are deemed to be furnished and shall not be deemed to be filed.

Item 7.01. Regulation FD Disclosure.

On July 23, 2025, the Board of Directors of Iridium Communications Inc. (the “Company”) declared a cash dividend on the Company’s common stock of $0.15 per share, which is an increase from $0.14 per share in the prior quarter. The Company has increased the dividend paid per share each year since initiating its dividend in 2023. The dividend is payable on September 30, 2025, to stockholders of record as of September 15, 2025.

Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

Exhibit NumberDescription 99.1Press release dated July 24, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document).*

*    Submitted electronically with this Report in accordance with the provisions of Regulation S-T

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.

IRIDIUM COMMUNICATIONS INC.

Date: July 24, 2025                     By:    /s/ Vincent J. O’Neill Name:     Vincent J. O’Neill Title:     Chief Financial Officer