Fenton Mary Kay 4
4 · Cullinan Therapeutics, Inc. · Filed Feb 23, 2026
Research Summary
AI-generated summary of this filing
Cullinan Therapeutics CFO Mary Kay Fenton Sells Shares
What Happened
- Mary Kay Fenton, Chief Financial Officer of Cullinan Therapeutics (CGEM), disposed of 4,398 shares on Feb 20, 2026. The Form 4 reports an open-market/private sale at $13.62 per share for a total of $59,901. The filing’s footnote says the sale was to cover personal income tax obligations upon the vesting of restricted stock units (RSUs), indicating a tax-covering disposition rather than a new investment.
Key Details
- Transaction date: 2026-02-20
- Price and size: 4,398 shares sold at $13.62 per share; proceeds ≈ $59,901
- Transaction type: Sale (reported as open market or private sale)
- Footnote: F1 — sale to cover personal income tax on RSU vesting
- Filing date: 2026-02-23 (filed within normal Form 4 timing; not flagged as late)
- Shares owned after transaction: not specified in the filing
Context
- This sale appears to be a routine tax-withholding sale tied to RSU vesting. Such sales are common for executives to satisfy tax obligations and do not necessarily signal a change in sentiment about the company. Retail investors typically view purchases as more informative about insider confidence than mandatory or tax-driven sales.
Insider Transaction Report
Form 4
Fenton Mary Kay
Chief Financial Officer
Transactions
- Sale
Common Stock
[F1]2026-02-20$13.62/sh−4,398$59,901→ 126,380 total
Footnotes (1)
- [F1]Sale of shares to cover personal income tax obligations upon vesting of restricted stock units.
Signature
/s/ Jacquelyn Sumer, Attorney-in-Fact|2026-02-23