Cullinan Therapeutics, Inc.·4

Jun 18, 5:00 PM ET

Webster Stephen W 4

4 · Cullinan Therapeutics, Inc. · Filed Jun 18, 2026

Research Summary

AI-generated summary of this filing

Updated

Cullinan (CGEM) Director Stephen Webster Receives Award of 25,319 Shares

What Happened

  • Stephen W. Webster, a director of Cullinan Therapeutics (CGEM), was granted a derivative award on 2026-06-16 covering 25,319 shares. The filing reports an acquisition at $0.00 (no cash paid) — this is a grant/award, not an open-market purchase or sale.

Key Details

  • Transaction date: 2026-06-16; Form 4 filed: 2026-06-18 (timely filing).
  • Transaction type: Award/Grant of a derivative (reported as "A"); reported acquisition price $0.00.
  • Shares/units involved: 25,319 (represents a right to purchase 25,319 shares).
  • Shares owned after transaction: not specified in the provided filing.
  • Footnote: The award vests in full on the earlier of (i) June 16, 2027 or (ii) the date of the issuer’s next annual meeting, subject to Webster’s continued service as a director on the vesting date.

Context

  • This is a deferred/conditional equity grant (a derivative right), not an immediate purchase or sale. It does not indicate any immediate cash outlay, exercise, or sale of shares; vesting conditions must be met before Webster obtains the underlying shares. Grants like this are commonly used for director compensation and do not, by themselves, imply a buy or sell signal.

Insider Transaction Report

Form 4
Period: 2026-06-16
Transactions
  • Award

    Stock Option (Right to Buy)

    [F1]
    2026-06-16+25,31925,319 total
    Exercise: $13.55Exp: 2026-06-16Common Stock (25,319 underlying)
Footnotes (1)
  • [F1]The option represents a right to purchase a total of 25,319 shares of the Issuer's Common Stock, which shall vest in full on the earlier of (i) June 16, 2027 or (ii) the date of the Issuer's next annual meeting, subject to the Reporting Person's continued service as a director on such vesting date.
Signature
/s/ Jacquelyn Sumer, Attorney-in-Fact|2026-06-18

Documents

1 file
  • 4
    ownership.xmlPrimary

    4