Alterman Louis M (CIK 1623397) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy IRDM (38 shares), Buy IRDM (74 shares), Buy IRDM (10,822 shares), Buy IRDM (2,876 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 38 | $0 |
| 2026-04-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 74 | $0 |
| 2026-01-07 | Iridium Communications Inc. (IRDM) | Director | Buy | 10,822 | $0 |
| 2026-01-05 | Iridium Communications Inc. (IRDM) | Director | Buy | 2,876 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02