Updated Jul 16, 2026
Alterman Louis M has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Louis M. Alterman is a director of Iridium Communications Inc., as disclosed in SEC filings with CIK 0001623397. The most recent filing date is January 5, 2026, and it shows no stock purchases or sales by Alterman and a single filing. In this role, he contributes to Iridium’s board oversight of governance, strategy, and risk management.
| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | IRDM | Iridium Communications Inc. | A — Grant or award | 38 | $0.00 | |
| 2026-04-02 | IRDM | Iridium Communications Inc. | A — Grant or award | 74 | $0.00 | |
| 2026-01-08 | IRDM | Iridium Communications Inc. | A — Grant or award | 10.8K | $0.00 | |
| 2026-01-05 | IRDM | Iridium Communications Inc. | A — Grant or award | 2.9K | $0.00 |
Louis M. Alterman is a director of Iridium Communications Inc., as disclosed in SEC filings with CIK 0001623397. The most recent filing date is January 5, 2026, and it shows no stock purchases or sales by Alterman and a single filing. In this role, he contributes to Iridium’s board oversight of governance, strategy, and risk management.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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