Summary
Updated Aug 31, 2026
Jason A. Keyes is Chief Financial Officer of BlossomHill Therapeutics, Inc. (BLSM). 3 SEC Form 4 filings on record going back to 2024, most recently on 10 August 2026. Most recent open-market trade: bought $11K of BLSM on 10 August 2026. Lifetime open-market purchases: $11K. Lifetime open-market sales: $7K.
Recent Transactions
2Every recent SEC Form 4 transaction Jason A. Keyes has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jason A. Keyes go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $11K (1 buy totaling $11K). The largest single buy on record is $11K of BLSM in 2026. Sales side: 1 recorded sale totaling $7K, so the filing history runs buy-heavy by dollar value. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Jason A. Keyes 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.
- ORBIMED ADVISORS LLC - $10.00M of BLSM open-market activity in the last 12 months
- Carl L. Gordon - $10.00M of BLSM open-market activity in the last 12 months
- Bihua Chen - $5.00M of BLSM open-market activity in the last 12 months
- John P. Schmid - $96K of BLSM open-market activity in the last 12 months
- Vincent Paul Liptak - $75K of BLSM 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 Jason A. Keyes?
Jason A. Keyes is a corporate insider, tracked as Chief Financial Officer of BlossomHill Therapeutics, Inc. (BLSM). InsiderAlpha holds 3 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 Jason A. Keyes submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jason A. Keyes been buying or selling stock?
Recorded transactions: 1 open-market purchase ($11K) and 1 open-market sale ($7K) across all tracked filings.
Where can I see all of Jason A. Keyes'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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