NIEHAUS ROBERT H
Director · IRDM, ZETA
As of 2026-09-16, NIEHAUS ROBERT H has 17 Form 4 transactions on record across 2 companies — 11 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-10-28 | IRDM | Purchase | 30,000 @ $17.49 | $525K | +11.2% of holding | 297,363 | Form 4 |
16 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-17 | IRDM | Gift | 50,000 | 266,910 | Form 4 |
| 2026-07-01 | ZETA | Award / grant | 7,197 | 611,772 | Form 4 |
| 2026-06-30 | IRDM | Award / grant | 378 | 316,910 | Form 4 |
| 2026-05-07 | ZETA | Gift | 60,000 | 60,000 | Form 4 |
| 2026-05-07 | ZETA | Gift | 60,000 | 604,575 | Form 4 |
| 2026-03-31 | IRDM | Award / grant | 743 | 316,533 | Form 4 |
| 2026-01-06 | IRDM | Award / grant | 17,315 | 315,790 | Form 4 |
| 2025-12-31 | IRDM | Award / grant | 1,112 | 298,475 | Form 4 |
| 2025-11-12 | ZETA | Other acquisition | 346,110 | 664,575 | Form 4 |
| 2025-09-30 | IRDM | Award / grant | 1,097 | 267,363 | Form 4 |
| 2025-07-01 | ZETA | Award / grant | 9,907 | 318,465 | Form 4 |
| 2025-06-30 | IRDM | Award / grant | 590 | 266,265 | Form 4 |
| 2025-03-31 | IRDM | Award / grant | 648 | 265,675 | Form 4 |
| 2025-01-06 | IRDM | Award / grant | 2,984 | 265,027 | Form 4 |
| 2025-01-06 | IRDM | Award / grant | 6,633 | 262,043 | Form 4 |
| 2024-12-31 | IRDM | Award / grant | 586 | 255,410 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.