Updated Jul 16, 2026
NIEHAUS ROBERT H has filed 3 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $1.13M.

Robert H. Niehaus is a corporate director known for his roles at Zeta Global Holdings Corp. and Iridium Communications Inc. He has been involved in various SEC filings related to these companies, primarily serving as a director.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | ZETA | Zeta Global Holdings Corp. | A — Grant or award | 7.2K | $0.00 | |
| 2026-07-02 | IRDM | Iridium Communications Inc. | A — Grant or award | 378 | $0.00 | |
| 2026-05-12 | ZETA | Zeta Global Holdings Corp. | G — Bona-fide gift | 60.0K | $0.00 | |
| 2026-05-12 | ZETA | Zeta Global Holdings Corp. | G — Bona-fide gift | 60.0K | $0.00 | |
| 2026-05-12 | ZETA | Zeta Global Holdings Corp. | J — Other acquisition / disposition | 346.1K | $0.00 | |
| 2026-04-02 | IRDM | Iridium Communications Inc. | A — Grant or award | 743 | $0.00 | |
| 2026-01-08 | IRDM | Iridium Communications Inc. | A — Grant or award | 17.3K | $0.00 | |
| 2026-01-08 | IRDM | Iridium Communications Inc. | A — Grant or award | 1.1K | $0.00 | |
| 2025-09-30 | IRDM | Iridium Communications Inc. | A — Grant or award | 1.1K | $0.00 | |
| 2025-07-01 | ZETA | Zeta Global Holdings Corp. | A — Grant or award | 9.9K | $0.00 | |
| 2025-06-30 | IRDM | Iridium Communications Inc. | A — Grant or award | 590 | $0.00 | |
| 2025-03-31 | IRDM | Iridium Communications Inc. | A — Grant or award | 648 | $0.00 | |
| 2024-11-19 | ZETA | Zeta Global Holdings Corp. | J — Other acquisition / disposition | 217.6K | $0.00 | |
| 2024-10-24 | IRDM | Iridium Communications Inc. | S — Open-market sale | 38.4K | $29.39 | $1.13M |
| 2024-10-24 | IRDM | Iridium Communications Inc. | M — Option exercise | 38.4K | $9.18 | $352K |
| 2024-10-02 | IRDM | Iridium Communications Inc. | A — Grant or award | 556 | $0.00 |
Robert H. Niehaus is a corporate director known for his roles at Zeta Global Holdings Corp. and Iridium Communications Inc. He has been involved in various SEC filings related to these companies, primarily serving as a director.…
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 1 open-market sales ($1.13M) across all tracked filings.
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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