Summary
Updated Aug 31, 2026
David W. Gryska is Director of Forte Biosciences, Inc. (FBRX). 5 SEC Form 4 filings on record going back to 2024, most recently on 27 August 2026. Most recent open-market trade: bought $18K of DFTX on 5 December 2024. Lifetime open-market purchases: $18K.
Recent Transactions
3Every recent SEC Form 4 transaction David W. Gryska 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 David W. Gryska 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.
- Robert Barrow - $2.36M of DFTX open-market activity in the last 12 months
- Mark Sullivan - $1.04M of DFTX open-market activity in the last 12 months
- Daniel Karlin - $749K of DFTX open-market activity in the last 12 months
- Brandi Roberts - $136K of DFTX open-market activity in the last 12 months
- Matthew T. Wiley - $129K of DFTX 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 David W. Gryska?
David W. Gryska is a corporate insider, tracked as Director of Forte Biosciences, Inc. (FBRX). InsiderAlpha holds 5 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 David W. Gryska submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has David W. Gryska been buying or selling stock?
Recorded transactions: 1 open-market purchase ($18K) and 0 open-market sales across all tracked filings.
Where can I see all of David W. Gryska'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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