BLSM
BlossomHill Therapeutics, Inc. · Healthcare · Market cap $650.6M
Insiders bought $25.2M net in the last 90 days ·0 sellers, 6 buyers· latest Form 4 filed Aug 12, 2026
Insider Buying
$25.2M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Aug 12, 2026
ORBIMED ADVISORS LLC
BlossomHill Therapeutics, Inc. (BLSM) has 9 SEC Form 4 filings (21 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 12, 2026.
Inside the rolling window, 6 insiders at BlossomHill Therapeutics, Inc. reported 7 open-market purchases totaling $25.2M and no open-market sales. Insiders have net bought $25.2M over the trailing 6 months. The largest single insider purchase in this window was $10.0M by Director ORBIMED ADVISORS LLC on Aug 10, 2026.
- Industry:Biotechnology
- CEO:Jing Rong Jean Cui
- HQ:San Diego, CA, US
- IPO:2026-08-07
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Purchase | 625,000 | $10.0M | Aug 12 | cluster+26.0% | SEC ↗ | |
| Director | Purchase | 625,000 | $10.0M | Aug 12 | cluster+26.0% | SEC ↗ | |
Schmid John P.First in 4 months | Director | Purchase | 6,000 | $96K | Aug 10 | cluster+28.0% | SEC ↗ |
Chen BihuaFirst in 6 months | Director, 10% Owner | Purchase | 312,500 | $5.0M | Aug 10 | cluster+28.0% | SEC ↗ |
Keyes Jason AFirst filing | Chief Financial Officer | Purchase | 700 | $11K | Aug 10 | cluster+28.0% | SEC ↗ |
Liptak Vincent PaulFirst filing | General Counsel | Purchase | 2,500 | $40K | Aug 10 | cluster+28.0% | SEC ↗ |
Liptak Vincent PaulFirst filing | General Counsel | Purchase | 2,200 | $35K | Aug 10 | cluster+28.0% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does BLSM have?
BlossomHill Therapeutics, Inc. (BLSM) has 9 SEC Form 4 filings (21 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Aug 12, 2026.
When was the most recent SEC Form 4 filing for BLSM?
The most recent Form 4 filing for BLSM on Tracefour is dated Aug 12, 2026.
What is the net insider flow at BLSM over the last 6 months?
Over the trailing 180 days, insiders at BLSM have net bought $25.2M based on SEC Form 4 disclosures.
What was the largest insider purchase at BLSM?
The largest single insider open-market purchase at BLSM in the rolling window was $10.0M by Director ORBIMED ADVISORS LLC on 2026-08-10.
What is the total insider buy and sell value at BLSM in the current window?
Inside the rolling window, insiders at BLSM bought $25.2M and sold $0 based on SEC Form 4 filings.
Can I get alerts for BLSM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at BlossomHill Therapeutics, Inc. (BLSM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
BlossomHill Therapeutics, Inc. is in the Healthcare sector.