Summary
Updated Aug 31, 2026
Richard Newcomb Stillwell is Director of Tonix Pharmaceuticals Holding Corp. (TNXP). 2 SEC Form 4 filings on record, most recently on 9 June 2026. Most recent open-market trade: bought $58K of TNXP on 9 June 2026. Lifetime open-market purchases: $58K.
Recent Transactions
1Every recent SEC Form 4 transaction Richard Newcomb Stillwell has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Richard Newcomb Stillwell 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.
- Seth Lederman - $345K of TNXP open-market activity in the last 12 months
- Carolyn E. Taylor - $15K of TNXP open-market activity in the last 12 months
- Richard H. Bagger - $13K of TNXP 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 Richard Newcomb Stillwell?
Richard Newcomb Stillwell is a corporate insider, tracked as Director of Tonix Pharmaceuticals Holding Corp. (TNXP). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Richard Newcomb Stillwell submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Richard Newcomb Stillwell been buying or selling stock?
Recorded transactions: 1 open-market purchase ($58K) and 0 open-market sales across all tracked filings.
Where can I see all of Richard Newcomb Stillwell'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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