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Iridium Communications (IRDM) 10K Form and Latest SEC Filings 2026

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$43.09 +1.43 (+3.43%)
Closing price 05/13/2026 04:00 PM Eastern
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Latest Iridium Communications SEC Filings & Recent Activity

Iridium Communications (NASDAQ:IRDM) has submitted 648+ documents to the U.S. Securities and Exchange Commission (SEC) since 2017. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in Iridium Communications's financial statements. The most recent filing was a Form 8-K submitted on May 14, 2026.

Form 4
Iridium Communications Inc. Reports Ownership Change on Apr. 6, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

8-K
Iridium Communications Files Current Report on May. 14, 2026

An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.

View filing

10-Q
Iridium Communications Files Quarterly Report on Apr. 23, 2026

The 10-Q contains Iridium Communications's unaudited quarterly financial statements, revenue, earnings updates, and cash flow changes between annual reports.

View earnings history

Iridium Communications SEC Filing History

Browse Iridium Communications' complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
05/14/2026 6:00 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/29/2026 12:46 PM
Iridium Communications (1418819) Subject
VANGUARD PORTFOLIO MANAGEMENT LLC (2100121) Filed by
Form SCHEDULE 13G
04/23/2026 6:00 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/23/2026 6:01 AM
Iridium Communications (1418819) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
04/06/2026 4:51 PM
Iridium Communications (1418819) Issuer
Kapalka Timothy (1715998) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:11 PM
Iridium Communications (1418819) Issuer
NIEHAUS ROBERT H (1241677) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:12 PM
FRAZIER LEON ANTHONY (1566217) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:12 PM
Alterman Louis M (1623397) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:13 PM
Canfield Thomas C (1376179) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:13 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:13 PM
Iridium Communications (1418819) Issuer
Krongard A B (1312913) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:14 PM
Iridium Communications (1418819) Issuer
Olson Eric T (1535177) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:14 PM
Iridium Communications (1418819) Issuer
Sears Kay (1914535) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:15 PM
Iridium Communications (1418819) Issuer
YEANEY JACQUELINE E (1318063) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 4:15 PM
Iridium Communications (1418819) Issuer
Shivanandan Monique S. (2070727) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 3:24 PM
Iridium Communications (1418819) Filer
Form ARS
04/02/2026 2:48 PM
Baralonco Ltd (1473963) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13D/A
03/26/2026 1:48 PM
Iridium Communications (1418819) Subject
VANGUARD GROUP INC (102909) Filed by
Form SCHEDULE 13G/A
03/11/2026 4:10 PM
Iridium Communications (1418819) Issuer
McBride Suzanne E. (1767205) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2026 4:11 PM
Iridium Communications (1418819) Issuer
O'Neill Vincent James (2046040) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2026 4:07 PM
Iridium Communications (1418819) Issuer
Kapalka Timothy (1715998) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2026 12:24 PM
Iridium Communications (1418819) Subject
VANGUARD GROUP INC (102909) Filed by
Form SCHEDULE 13G/A
03/02/2026 8:19 PM
Iridium Communications (1418819) Issuer
Last Timothy James (2046045) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:20 PM
Iridium Communications (1418819) Issuer
Kapalka Timothy (1715998) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:21 PM
Iridium Communications (1418819) Issuer
O'Neill Vincent James (2046040) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:21 PM
Iridium Communications (1418819) Issuer
McBride Suzanne E. (1767205) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:22 PM
DESCH MATTHEW J (1178032) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:22 PM
Iridium Communications (1418819) Issuer
Morgan Kathleen A. (1897799) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:22 PM
Iridium Communications (1418819) Issuer
Scheimreif Scott (1564963) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/02/2026 8:23 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/13/2026 2:54 PM
Iridium Communications (1418819) Subject
Silver Heights Capital Management Inc (1705712) Filed by
Form SCHEDULE 13G/A
02/13/2026 11:08 AM
Iridium Communications (1418819) Subject
Silver Heights Capital Management Inc (1705712) Filed by
Form SCHEDULE 13G
02/12/2026 6:00 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/12/2026 6:01 AM
Iridium Communications (1418819) Filer
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
01/08/2026 12:28 PM
BlackRock, Inc. (2012383) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13G/A
01/07/2026 8:45 PM
Alterman Louis M (1623397) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:42 PM
Canfield Thomas C (1376179) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:42 PM
Iridium Communications (1418819) Issuer
YEANEY JACQUELINE E (1318063) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:42 PM
Iridium Communications (1418819) Issuer
Sears Kay (1914535) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:43 PM
Iridium Communications (1418819) Issuer
Olson Eric T (1535177) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:43 PM
Iridium Communications (1418819) Issuer
NIEHAUS ROBERT H (1241677) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
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01/07/2026 8:43 PM
Iridium Communications (1418819) Issuer
Krongard A B (1312913) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:44 PM
FRAZIER LEON ANTHONY (1566217) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:44 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/07/2026 8:44 PM
Iridium Communications (1418819) Issuer
Shivanandan Monique S. (2070727) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2025 3:43 PM
Iridium Communications (1418819) Issuer
Morgan Kathleen A. (1897799) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2025 3:44 PM
DESCH MATTHEW J (1178032) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2025 3:44 PM
Iridium Communications (1418819) Issuer
Last Timothy James (2046045) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2025 3:45 PM
Iridium Communications (1418819) Issuer
O'Neill Vincent James (2046040) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2025 3:46 PM
Iridium Communications (1418819) Issuer
Scheimreif Scott (1564963) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/05/2025 9:57 AM
ARK Investment Management LLC (1697748) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13G/A
12/04/2025 3:08 PM
Alterman Louis M (1623397) Reporting
Iridium Communications (1418819) Issuer
Form 3
Initial statement of beneficial ownership of securities  
12/04/2025 6:29 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/26/2025 4:02 PM
Baralonco Ltd (1473963) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13D/A
11/14/2025 10:24 AM
BAMCO INC /NY/ (1017918) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13G/A
11/03/2025 3:30 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/31/2025 3:07 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/29/2025 3:57 PM
Iridium Communications (1418819) Issuer
NIEHAUS ROBERT H (1241677) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/29/2025 3:57 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/28/2025 5:14 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/27/2025 5:10 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/23/2025 6:00 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/23/2025 6:02 AM
Iridium Communications (1418819) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
10/02/2025 5:00 PM
Iridium Communications (1418819) Issuer
YEANEY JACQUELINE E (1318063) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 5:01 PM
Iridium Communications (1418819) Issuer
Morgan Kathleen A. (1897799) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 5:01 PM
Iridium Communications (1418819) Issuer
Last Timothy James (2046045) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:53 PM
Canfield Thomas C (1376179) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:54 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:55 PM
FRAZIER LEON ANTHONY (1566217) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:56 PM
Iridium Communications (1418819) Issuer
Krongard A B (1312913) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:56 PM
Iridium Communications (1418819) Issuer
NIEHAUS ROBERT H (1241677) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:57 PM
Iridium Communications (1418819) Issuer
Olson Eric T (1535177) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:57 PM
Iridium Communications (1418819) Issuer
Sears Kay (1914535) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2025 4:58 PM
Iridium Communications (1418819) Issuer
Shivanandan Monique S. (2070727) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2025 10:35 AM
BAMCO INC /NY/ (1017918) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13G/A
07/24/2025 6:04 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/24/2025 6:05 AM
Iridium Communications (1418819) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
07/02/2025 5:10 PM
Iridium Communications (1418819) Issuer
YEANEY JACQUELINE E (1318063) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
Iridium Communications (1418819) Issuer
Sears Kay (1914535) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
Iridium Communications (1418819) Issuer
Olson Eric T (1535177) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
Iridium Communications (1418819) Issuer
Krongard A B (1312913) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
Iridium Communications (1418819) Issuer
NIEHAUS ROBERT H (1241677) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
FRAZIER LEON ANTHONY (1566217) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
Canfield Thomas C (1376179) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025 5:10 PM
FITZPATRICK THOMAS (1229996) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/26/2025 5:05 PM
Baralonco Ltd (1473963) Filed by
Iridium Communications (1418819) Subject
Form SCHEDULE 13D/A
06/17/2025 3:42 PM
Iridium Communications (1418819) Issuer
Shivanandan Monique S. (2070727) Reporting
Form 3
Initial statement of beneficial ownership of securities  
06/17/2025 7:55 AM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/02/2025 4:00 PM
Iridium Communications (1418819) Issuer
Scheimreif Scott (1564963) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/02/2025 4:00 PM
Iridium Communications (1418819) Issuer
Morgan Kathleen A. (1897799) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/02/2025 4:00 PM
Iridium Communications (1418819) Issuer
Kapalka Timothy (1715998) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
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06/02/2025 4:00 PM
DESCH MATTHEW J (1178032) Reporting
Iridium Communications (1418819) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/02/2025 4:00 PM
Iridium Communications (1418819) Issuer
McBride Suzanne E. (1767205) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/02/2025 4:00 PM
Iridium Communications (1418819) Issuer
O'Neill Vincent James (2046040) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/02/2025 4:00 PM
Iridium Communications (1418819) Issuer
Last Timothy James (2046045) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/14/2025 4:08 PM
Iridium Communications (1418819) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)

Iridium Communications SEC Filings - Frequently Asked Questions

Iridium Communications (IRDM) has submitted 648+ filings to the SEC since 2017. You can browse the complete history or filter by form type using the tools above.

Iridium Communications's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on Iridium Communications's financial statements page.

The most recent filing was a Form 8-K submitted on May 14, 2026. This was a current report on a material business event.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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This page (NASDAQ:IRDM) was last updated on 5/14/2026 by MarketBeat.com Staff.
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