Summary
Updated Aug 31, 2026
Robert H. Niehaus is Director of Iridium Communications Inc. (IRDM). 14 SEC Form 4 filings on record going back to 2024, most recently on 19 August 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
18Every recent SEC Form 4 transaction Robert H. Niehaus has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Robert H. Niehaus go back to 2024: 14 primary Form 4 filings, an average of 4.7 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 transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
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 of IRDM open-market activity in the last 12 months
- Suzanne E. McBride - $4.30M of IRDM open-market activity in the last 12 months
- Kathleen A. Morgan - $1.67M of IRDM open-market activity in the last 12 months
- Timothy James Last - $983K of IRDM open-market activity in the last 12 months
- Timothy Kapalka - $865K of IRDM open-market activity in the last 12 months
- Eric T. Olson - $405K of IRDM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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 14 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?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
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.
Where can I see all of Robert H. Niehaus's SEC 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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