BlossomHill (BLSM) GC Vincent Liptak Buys Shares, Converts Preferred

What Happened

Vincent Paul Liptak (General Counsel) reported multiple transactions in BlossomHill Therapeutics (BLSM). He purchased 2,500 shares on 2026-08-07 at $15.80 ($39,500) and 2,200 shares on 2026-08-10 at $16.00 ($35,200), for total cash purchases of $74,700. The filing also shows a 46,561-share derivative award (reported 2026-08-06 at $0.00) and related derivative conversions (22,687 shares acquired and 22,687 shares disposed on 2026-08-10). Per the filing footnotes, the derivative activity relates to Series B Preferred Stock that automatically converted into common stock upon the company’s IPO.

Key Details

• Open-market purchases: 2,500 sh @ $15.80 on 2026-08-07 ($39,500) and 2,200 sh @ $16.00 on 2026-08-10 ($35,200). Total cash outlay: $74,700.
• Grant/award: 46,561 derivative shares reported 2026-08-06 at $0.00 (derivative instrument).
• Conversions: two entries on 2026-08-10 for 22,687 shares each (one marked acquired, one marked disposed); footnote F1 explains Series B Preferred automatically converted to common stock at IPO.
• Vesting: footnote F3 indicates a vesting schedule (1/4 vests Aug 6, 2027; remaining monthly over 36 months).
• Trust holding: footnote F2 notes the reporting person is co-trustee/co-beneficiary of the Walter T. Liptak Revocable Trust and has voting/dispositive power over Trust securities.
• The filing does not list a final "shares owned after" total in the summary provided here.

Context

• The purchases are small-dollar open-market buys (total ~$74.7K), which retail investors often view as a modest insider purchase signal; the derivative grant and conversions reflect IPO-related conversion mechanics rather than a new cash purchase.
• Derivative entries: the award at $0.00 and subsequent conversions appear tied to preferred-stock-to-common-stock conversion at the IPO (per F1), not a typical option cash exercise. The filing does not indicate any 10b5-1 plan or tax-withholding sale detail.
• No filing-timeliness issue is indicated in the information provided.