NIEHAUS ROBERT H (CIK 1241677) reported 13 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy IRDM (378 shares), Buy ZETA (7,197 shares), Buy ZETA (346,110 shares), Sell ZETA (60,000 shares), Buy ZETA (60,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 378 | $0 |
| 2026-07-02 | Zeta Global Holdings Corp. (ZETA) | Director | Buy | 7,197 | $0 |
| 2026-05-12 | Zeta Global Holdings Corp. (ZETA) | Director | Buy | 346,110 | $0 |
| 2026-05-12 | Zeta Global Holdings Corp. (ZETA) | Director | Sell | 60,000 | $0 |
| 2026-05-12 | Zeta Global Holdings Corp. (ZETA) | Director | Buy | 60,000 | $0 |
| 2026-04-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 743 | $0 |
| 2026-01-07 | Iridium Communications Inc. (IRDM) | Director | Buy | 1,112 | $0 |
| 2026-01-07 | Iridium Communications Inc. (IRDM) | Director | Buy | 17,315 | $0 |
| 2025-10-29 | Iridium Communications Inc. (IRDM) | Director | Buy | 30,000 | $524,700 |
| 2025-10-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 1,097 | $0 |
| 2025-07-03 | Zeta Global Holdings Corp. (ZETA) | Director | Buy | 9,907 | $0 |
| 2025-07-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 590 | $0 |
| 2025-04-02 | Iridium Communications Inc. (IRDM) | Director | Buy | 648 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02