Iridium Communications Inc. SEC filings IRDM

Iridium Communications Inc. has 1,004 filings in SEC EDGAR's recent list, going back to Dec 5, 2017. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 20, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 20, 2026 (results of operations). The company's fiscal year ends on December 31.

Iridium Communications Inc. SEC filings
Form Description Filed Period
4 Insider transaction Oct 26, 2026 Oct 22, 2026
144 Notice of proposed sale Oct 26, 2026 —
10-Q Quarterly report Oct 20, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 20, 2026 Oct 20, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
4 Insider transaction Oct 2, 2026 Sep 30, 2026
8-K Current report
Shareholder vote results, Other events
Sep 24, 2026 Sep 24, 2026
425 Form 425 Sep 18, 2026 —
8-K Current report
Other events
Sep 18, 2026 Sep 18, 2026
4 Insider transaction Sep 16, 2026 Sep 15, 2026
144 Notice of proposed sale Sep 15, 2026 —
425 Form 425 Sep 15, 2026 —
8-K Current report
Material agreement
Sep 15, 2026 Sep 15, 2026
4 Insider transaction Sep 4, 2026 Sep 3, 2026
144 Notice of proposed sale Sep 3, 2026 —
425 Filing Sep 3, 2026 —
4 Insider transaction Sep 2, 2026 Sep 1, 2026
4 Insider transaction Sep 2, 2026 Sep 1, 2026
4 Insider transaction Sep 2, 2026 Sep 1, 2026
4 Insider transaction Sep 2, 2026 Sep 1, 2026
4 Insider transaction Sep 2, 2026 Sep 1, 2026
4 Insider transaction Sep 2, 2026 Sep 1, 2026
4 Insider transaction Sep 2, 2026 Sep 1, 2026
425 Filing Aug 26, 2026 —
DEFM14A Filing Aug 26, 2026 —
4 Insider transaction Aug 21, 2026 Aug 20, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
4 Insider transaction Aug 19, 2026 Aug 17, 2026
144 Notice of proposed sale Aug 18, 2026 —
144 Notice of proposed sale Aug 17, 2026 —
144 Notice of proposed sale Aug 17, 2026 —
144 Notice of proposed sale Aug 17, 2026 —
144 Notice of proposed sale Aug 17, 2026 —
144 Notice of proposed sale Aug 17, 2026 —
425 Filing Aug 13, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Aug 13, 2026 —
425 Filing Aug 13, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 12, 2026 —
425 Filing Aug 11, 2026 —
8-K Current report
Bylaw or fiscal year change, Regulation FD disclosure
Aug 10, 2026 Aug 10, 2026
425 Filing Aug 6, 2026 —
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 4, 2026 —
8-K Current report
Results of operations
Jul 22, 2026 Jul 22, 2026
10-Q Quarterly report Jul 22, 2026 Jun 30, 2026
4 Insider transaction Jul 13, 2026 Jul 10, 2026
3 Initial insider ownership Jul 13, 2026 Jul 2, 2026
425 Filing Jul 7, 2026 —
8-K Current report
Material agreement, New debt, Officer or director change, Regulation FD disclosure
Jul 7, 2026 Jul 2, 2026
425 Filing Jul 6, 2026 —
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
4 Insider transaction Jul 2, 2026 Jun 30, 2026
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
425 Filing Jun 29, 2026 —
8-K Current report
Material agreement, Regulation FD disclosure
Jun 29, 2026 Jun 28, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction Jun 2, 2026 Jun 1, 2026
4 Insider transaction May 26, 2026 May 20, 2026
SD Specialized disclosure (conflict minerals) May 21, 2026 —
8-K Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
May 20, 2026 May 20, 2026
8-K Current report
Material agreement, Regulation FD disclosure
May 14, 2026 May 13, 2026
SCHEDULE 13G Ownership over 5% (passive) Apr 29, 2026 —
10-Q Quarterly report Apr 23, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 23, 2026 Apr 23, 2026
4 Insider transaction Apr 6, 2026 Apr 2, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
4 Insider transaction Apr 2, 2026 Mar 31, 2026
ARS Annual report to shareholders Apr 2, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 2, 2026 —
DEF 14A Proxy statement Apr 2, 2026 May 20, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) Apr 2, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 26, 2026 —
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
4 Insider transaction Mar 11, 2026 Mar 9, 2026
8-K Current report
Regulation FD disclosure
Mar 5, 2026 Mar 5, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 5, 2026 —
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
4 Insider transaction Mar 2, 2026 Feb 26, 2026
8-K Current report
Officer or director change
Feb 27, 2026 Feb 26, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 13, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Feb 13, 2026 —
10-K Annual report Feb 12, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 12, 2026 Feb 12, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Jan 8, 2026 —
4 Insider transaction Jan 7, 2026 Jan 6, 2026
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 7, 2026 Dec 31, 2025
4 Insider transaction Jan 5, 2026 Dec 31, 2025
4 Insider transaction Jan 5, 2026 Jan 1, 2026
4 Insider transaction Dec 23, 2025 Dec 19, 2025
4 Insider transaction Dec 23, 2025 Dec 19, 2025
4 Insider transaction Dec 23, 2025 Dec 19, 2025
4 Insider transaction Dec 23, 2025 Dec 19, 2025
4 Insider transaction Dec 23, 2025 Dec 19, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Dec 5, 2025 —
3 Initial insider ownership Dec 4, 2025 Dec 4, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 4, 2025 Dec 4, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
4 Insider transaction Dec 3, 2025 Dec 1, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Nov 26, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 14, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 4, 2025 —
4 Insider transaction Nov 3, 2025 Oct 31, 2025
4 Insider transaction Nov 3, 2025 Oct 30, 2025
144 Notice of proposed sale Oct 31, 2025 —
4 Insider transaction Oct 29, 2025 Oct 27, 2025
4 Insider transaction Oct 29, 2025 Oct 28, 2025
144 Notice of proposed sale Oct 28, 2025 —
144 Notice of proposed sale Oct 27, 2025 —
10-Q Quarterly report Oct 23, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 23, 2025 Oct 23, 2025
4 Insider transaction Oct 2, 2025 Oct 1, 2025
4 Insider transaction Oct 2, 2025 Oct 1, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
4 Insider transaction Sep 2, 2025 Sep 1, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2025 —
10-Q Quarterly report Jul 24, 2025 Jun 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Jul 24, 2025 Jul 24, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Communications Services, NEC (SIC 4899)
Listed as
IRDM (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Mclean, VA
SEC filer status
Large accelerated filer
SEC CIK
1418819
Former names
GHL Acquisition Corp. (until Sep 25, 2009)

Other Communications Services, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.