Robert H. Niehaus
Director · Iridium Communications Inc.
- 2024
- Oct 2, 2026
- 15
Summary
Latest filing:
Robert H. Niehaus is Director of Iridium Communications Inc. (IRDM). 15 SEC Form 4 filings on record going back to 2024, most recently on 2 October 2026. Most recent open-market trade: bought $525K of IRDM on 29 October 2025. Lifetime open-market purchases: $525K. Lifetime open-market sales: $1.13M.
Recent transactions
19The latest 19 SEC Form 4 transactions reported by Robert H. Niehaus.
Trading pattern
InsiderAlpha's records for Robert H. Niehaus go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. The typical open-market purchase is $525K (1 buy totaling $525K). The largest single buy on record is $525K of IRDM in 2025. Sales side: 1 recorded sale totaling $1.13M, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Robert H. Niehaus files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Thomas Fitzpatrick - $11.81M in IRDM purchases and sales in the last 12 months
- Suzanne E. McBride - $4.30M in IRDM purchases and sales in the last 12 months
- Kathleen A. Morgan - $1.67M in IRDM purchases and sales in the last 12 months
- Timothy James Last - $1.35M in IRDM purchases and sales in the last 12 months
- Timothy Kapalka - $865K in IRDM purchases and sales in the last 12 months
- Eric T. Olson - $405K in IRDM purchases and sales in the last 12 months
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Frequently asked questions
Who is Robert H. Niehaus?
Robert H. Niehaus is a corporate insider, tracked as Director of Iridium Communications Inc. (IRDM). InsiderAlpha holds 15 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Robert H. Niehaus submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Robert H. Niehaus been buying or selling stock?
Recorded transactions: 1 open-market purchase ($525K) and 1 open-market sale ($1.13M) across all tracked filings.