Iridium Communications Inc. (IRDM)
Data as of , from SEC Form 4 filings.
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About Iridium Communications Inc. (IRDM)
The SEC lists Iridium Communications Inc. under CIK 0001418819, in communications services, nec. It is grouped with Communication Services companies on this site.
IRDM Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 11 | 391,701 | $19.65M |
| Grant or award | 9 | 1,555 | |
| Tax withholding / forfeiture | 7 | 21,121 | |
IRDM insider transactions (Form 4)
33152 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Leon Anthony Frazier - Director | Grant or award | Common Stock | 106.5 | $0.00 | - | |
| Grant or award | Common Stock | 34.2 | $0.00 | - | ||
| Kay Sears - Director | Grant or award | Common Stock | 34.2 | $0.00 | - | |
| Louis M. Alterman - Director | Grant or award | Common Stock | 43.3 | $0.00 | - | |
| Monique S. Shivanandan - Director | Grant or award | Common Stock | 49.9 | $0.00 | - | |
| Grant or award | Common Stock( | 55.7 | $0.00 | - | ||
| Thomas C. Canfield - Director | Grant or award | Common Stock | 733.7 | $0.00 | - | |
| Thomas Fitzpatrick - Director | Grant or award | Common Stock | 55.7 | $0.00 | - | |
| Eric T. Olson - Director | Grant or award | Common Stock | 441.8 | $0.00 | - | |
| Timothy James Last - Officer | Open-market sale | Common Stock | 5,769 | $46.35 | $267K | |
| Timothy James Last - Officer | Open-market sale | Common Stock | 2,013 | $47.36 footnote F1 | $95K | |
| ||||||
| Tax withholding / forfeiture | Common Stock | 1,461 | $46.98 | $69K | ||
| Timothy Kapalka - Officer | Tax withholding / forfeiture | Common Stock | 693 | $46.98 | $33K | |
| Timothy James Last - Officer | Tax withholding / forfeiture | Common Stock | 1,501 | $46.98 | $71K | |
| Tax withholding / forfeiture | Common Stock | 3,623 | $46.98 | $170K | ||
| Scott Scheimreif - Officer | Tax withholding / forfeiture | Common Stock | 2,207 | $46.98 | $104K | |
| Tax withholding / forfeiture | Common Stock | 9,583 | $46.98 | $450K | ||
| Tax withholding / forfeiture | Common Stock | 2,053 | $46.98 | $96K | ||
| Gift | Common Stock | 17,403 | $0.00 | - | ||
| Thomas Fitzpatrick - Director | Open-market sale | Common Stock | 209,233 | $50.22 footnote F1 | $10.51M | |
| Thomas Fitzpatrick - Director | Open-market sale | Common Stock | 15,046 | $49.20 footnote F2 | $740K | |
| ||||||
| Timothy James Last - Officer | Open-market sale | Common Stock | 19,021 | $50.33 footnote F1 | $957K | |
| Timothy James Last - Officer | Open-market sale | Common Stock | 500 | $50.88 footnote F2 | $25K | |
| ||||||
| Timothy Kapalka - Officer | Open-market sale | Common Stock | 13,473 | $50.51 footnote F1 | $681K | |
| ||||||
| Open-market sale | Common Stock | 85,454 | $50.28 footnote F1 | $4.30M | ||
| ||||||
| Open-market sale | Common Stock | 32,648 | $50.34 footnote F1 | $1.64M | ||
| Open-market sale | Common Stock | 544 | $50.85 footnote F2 | $28K | ||
| ||||||
| Eric T. Olson - Director | Open-market sale | Common Stock | 8,000 | $50.61 footnote F1 | $405K | |
| ||||||
| Gift | Common Stock | 50,000 | $0.00 | - | ||
| Donald Lee Thoma - Officer | Grant or award | Common Stock | 41,949 footnote F1 | $0.00 | - | |
| ||||||
| Grant or award | Common Stock | 29.8 | $0.00 | - | ||
| Monique S. Shivanandan - Director | Grant or award | Common Stock | 43.5 | $0.00 | - | |
| Kay Sears - Director | Grant or award | Common Stock | 29.8 | $0.00 | - | |
Recent IRDM Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| J. Last Timothy | Officer | 5,769 | $267K | View on EDGAR | |
| J. Last Timothy | Officer | 2,013 |
IRDM insider trading FAQ
What is the latest insider trade for IRDM?
Iridium Communications Inc. (IRDM) had 26 insider filings in the last 90 days, with the most recent on 2 October 2026. The full record for IRDM runs to 152 Form 4 filings, the earliest from 2 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying IRDM stock?
No insider purchases of IRDM were filed in the last 90 days. 2 purchases are on record for this company.
How many insiders are selling IRDM stock?
11 insider sales of IRDM were filed in the last 90 days, totaling $19.65M.
Where can I see IRDM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects IRDM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Communication Services companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Leon Anthony Frazier view on EDGAR
- - Jacqueline E. Yeaney view on EDGAR
- - Kay Sears view on EDGAR
- - Louis M. Alterman view on EDGAR
- - Monique S. Shivanandan view on EDGAR
- - Robert H. Niehaus view on EDGAR
- - Thomas C. Canfield view on EDGAR
- - Thomas Fitzpatrick view on EDGAR
- - Eric T. Olson view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Communication Services
- Where IRDM's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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