BLSM insider buying
2 cluster buysBlossomHill Therapeutics, Inc.
When two or more insiders at BlossomHill Therapeutics, Inc. buy BLSM on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in BLSM plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Aug 7 – Aug 10, 2026Detected Aug 10, 2026High conviction4 insidersTotal bought$5.2MMarket capUnknown
- Aug 7 – Aug 10, 2026Detected Aug 10, 2026High conviction2 insidersTotal bought$85.9KMarket capUnknown
All notable open-market buys in BLSM
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Aug 10, 2026 | Chen Bihuacluster Director, 10% Owner | 312,500 | $16.00 | $5.0M | SEC ↗ |
| Aug 10, 2026 | Schmid John P.cluster Director | 6,000 | $16.00 | $96.0K | SEC ↗ |
| Aug 10, 2026 | Liptak Vincent Paulcluster General Counsel | 2,200 | $16.00 | $35.2K | SEC ↗ |
| Aug 10, 2026 | Keyes Jason Acluster Chief Financial Officer | 700 | $16.00 | $11.2K | SEC ↗ |
| Aug 7, 2026 | Liptak Vincent Paulcluster General Counsel | 2,500 | $15.80 | $39.5K | SEC ↗ |
BLSM insider buying — FAQ
- Are insiders buying BLSM stock?
- Yes — 4 distinct insiders have bought BLSM (BlossomHill Therapeutics, Inc.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Aug 10, 2026.
- How much BLSM stock have insiders bought?
- Insiders have bought a combined $5.2M of BLSM across 5 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in BLSM?
- A cluster buy is two or more distinct BlossomHill Therapeutics, Inc. insiders — officers, directors, or 10% owners — each buying BLSM on the open market within a rolling window. BLSM has 2 detected cluster buys to date.
- Where does this BLSM insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in BLSM
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy BLSM within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding BLSM.