Cullinan Therapeutics, Inc.·4

Feb 13, 5:00 PM ET

Michaelson Jennifer 4

4 · Cullinan Therapeutics, Inc. · Filed Feb 13, 2026

Research Summary

AI-generated summary of this filing

Updated

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.

Insider Transaction Report

Form 4
Period: 2026-02-12
Michaelson Jennifer
Chief Scientific Officer
Transactions
  • Sale

    Common Stock

    [F1]
    2026-02-12$12.03/sh416$5,004128,219 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|2026-02-13

Documents

1 file
  • 4
    ownership.xmlPrimary

    4