Cullinan Therapeutics, Inc.·4

Feb 13, 5:00 PM ET

Michaelson Jennifer 4

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Cullinan Therapeutics (CGEM) CSO Jennifer Michaelson Sells 416 Shares

What Happened
Jennifer Michaelson, Chief Scientific Officer of Cullinan Therapeutics (CGEM), sold 416 shares on 2026-02-12 at $12.03 per share, generating proceeds of approximately $5,004. The filing reports this as a sale (S) — a routine disposition rather than a new purchase or exercise.

Key Details

  • Transaction date: 2026-02-12; price: $12.03 per share; total proceeds: ~$5,004.
  • Transaction type: Sale (open market or private sale indicated).
  • Shares owned after transaction: Not specified in the provided filing.
  • Footnote: Sale executed to cover personal income tax obligations upon vesting of restricted stock units (tax withholding).
  • Form 4 filed: 2026-02-13 (appears to be filed promptly the next day). Accession: 0001193125-26-051700.

Context
The footnote indicates this was a tax-withholding sale tied to RSU vesting, a common administrative transaction that typically reflects tax needs rather than a directional bet on the company. Sales of this size by executives for tax withholding are routine and should be interpreted differently than discretionary large-scale insider selling.