IRDM at a glance
Iridium Communications Inc (IRDM, SEC CIK 1418819) filed its latest 10-K annual report on February 12, 2026, a 10-Q quarterly report on July 22, 2026, an 8-K current report on September 24, 2026 and Form 4 insider filings as recently as October 2, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Iridium Communications Inc (IRDM) reported revenue of $871.7 million (up 4.9% from FY2024) and net income of $114.4 million. Diluted EPS was $1.06.
- As of June 30, 2026, 36 institutional investment managers tracked by SignalX reported holding Iridium Communications Inc (IRDM) shares worth $2.6 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Last Timothy James on September 15, 2026 of 5,769 shares at $46.35 per share.
- In the last 90 days, IRDM insiders reported 0 open-market purchases ($0) and 11 open-market sales ($19.6M) on Form 4, a net sale of $19.6M.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $871.7M
- +4.9% vs prior year
- Insiders · 90 days
- 0 buys · 11 sells
- Net −$19.6M
- 13F holders
- 36 funds
- $2.6B · +1 vs prior quarter
- Latest 10-Q
- Jul 22, 2026
- Quarterly report
SignalX for IRDM
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Sears Kay | A | Sep 30, 2026 | 34.2 | - |
| YEANEY JACQUELINE E | A | Sep 30, 2026 | 34.2 | - |
| Alterman Louis M | A | Sep 30, 2026 | 43.3 | - |
| Olson Eric T | A | Sep 30, 2026 | 441.8 | - |
| FITZPATRICK THOMAS | A | Sep 30, 2026 | 55.7 | - |
| FRAZIER LEON ANTHONY | A | Sep 30, 2026 | 106.5 | - |
| Canfield Thomas C | A | Sep 30, 2026 | 733.7 | - |
| Shivanandan Monique S. | A | Sep 30, 2026 | 49.9 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $830.7M | $871.7M |
| Operating Income | - | $200.4M | $236.0M |
| Net Income | $15.4M | $112.8M | $114.4M |
| Op. Margin | - | 24.1% | 27.1% |
| Net Margin | - | 13.6% | 13.1% |
| Balance Sheet | |||
| Total Assets | $2.7B | $2.7B | $2.5B |
| Equity | - | $576.6M | $462.6M |
| ROE | - | 19.6% | 24.7% |
| Per Share | |||
| EPS | $0.12 | $0.94 | $1.06 |
| Cash Flow | |||
| Operating CF | - | $376.0M | $400.1M |
| CapEx | $73.5M | $69.9M | $100.3M |
Source: XBRL data in Iridium Communications Inc (IRDM)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate IRDM share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 36 | $2.61B |
| Q1 2026 | 35 | $1.27B |
| Q4 2025 | 32 | $830.1M |
| Q3 2025 | 32 | $881.3M |
| Q2 2025 | 31 | $1.40B |
| Q1 2025 | 31 | $937.4M |
| Q4 2024 | 24 | $816.8M |
| Q3 2024 | 20 | $485.9M |
- AQR Capital Management+3.93M (+135%)
- Renaissance Technologies LLC+481.7K (+376%)
- Dimensional Fund Advisors+198.8K (+9%)
- Vanguard Capital Management LLC+120.8K (+3%)
- JPMorgan Chase & Co+80.9K (+11%)
- Vanguard Portfolio Management LLC−651.4K (-11%)
- ARK Investment Management−511.7K (-30%)
- BlackRock−492.3K (-4%)
- Millennium Management−341.5K (-69%)
- State Street Corp−316.5K (-6%)
- Franklin Resources+54.6K
- Citizens Financial Group+9.7K
- StoneX Group Inc.+6.6K
- Citadel Advisors LLC−63.6K
- Marex Group plc−13.9K
Source: 13F-HR filings on SEC EDGAR (aggregated from 241 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
IRDM filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
8-K current reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 8-K | Sep 24, 2026 | - | - | - |
| 8-K | Sep 18, 2026 | - | - | - |
| 4 | Sep 16, 2026 | - | - | - |
| 8-K | Sep 15, 2026 | - | - | - |
| 4 | Sep 4, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Aug 21, 2026 | - | - | - |
| 4 | Aug 19, 2026 | - | - | - |
| 4 | Aug 19, 2026 | - | - | - |
| 4 | Aug 19, 2026 | - | - | - |
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IRDM SEC filings: frequently asked questions
Are IRDM insiders buying or selling?
In the last 90 days, Iridium Communications Inc (IRDM) officers, directors and 10% owners reported no open-market purchases and 11 open-market sales worth $19.6 million by 6 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold IRDM stock?
As of June 30, 2026, the largest Iridium Communications Inc (IRDM) holders among the 13F filers tracked by SignalX were BlackRock ($737.6 million), AQR Capital Management ($374.3 million), Vanguard Portfolio Management LLC ($298.4 million), State Street Corp ($259.6 million), Vanguard Capital Management LLC ($232.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was IRDM's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Iridium Communications Inc (IRDM) reported revenue of $871.7 million (up 4.9% from FY2024) and net income of $114.4 million. Diluted EPS was $1.06. The figures come from the XBRL data in the 10-K.
What are the latest IRDM SEC filings?
Iridium Communications Inc (IRDM) filed its latest 10-K annual report on February 12, 2026, a 10-Q quarterly report on July 22, 2026, an 8-K current report on September 24, 2026 and a Form 4 insider filing on October 2, 2026.
What is IRDM's SEC CIK number?
Iridium Communications Inc (IRDM)'s SEC Central Index Key (CIK) is 1418819. EDGAR lists every IRDM filing under that number.
Ask anything about IRDM
The research agent reads IRDM's filings, financials, insider trades and 13F holders, then answers with sources.