Bermingham Nessan 4
4 · Korro Bio, Inc. · Filed Jun 11, 2026
Research Summary
AI-generated summary of this filing
Korro Bio (KRRO) Director Nessan Bermingham Receives 14,677-Share Award
What Happened
- Nessan Bermingham (listed in the filing as "Bermingham Nessan"), a director of Korro Bio, was granted a derivative equity award of 14,677 shares on 2026-06-10. The reported acquisition price is $0.00, so no cash was paid at grant and the reported total value for the transaction is $0.
Key Details
- Transaction date: 2026-06-10; Form 4 filed 2026-06-11 (timely filing).
- Amount granted: 14,677 shares; reported price: $0.00; total reported cash value: $0.
- Shares owned after transaction: not specified in the provided filing data.
- Footnote: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director.
- Transaction type: Award/Grant (derivative); code A on Form 4.
Context
- This was an equity award to a non-employee director rather than an open-market purchase or sale. The award vests upon continued service and/or the next annual meeting (per footnote), so the shares are not immediately tradable unless separate terms apply.
- Such director awards are a common form of board compensation and do not by themselves indicate insider buying or selling intent.
Insider Transaction Report
Form 4
Korro Bio, Inc.KRRO
Bermingham Nessan
Director
Transactions
- Award
Stock Option (Right to Buy)
[F1]2026-06-10+14,677→ 14,677 totalExercise: $10.59Exp: 2036-06-09→ Common Stock (14,677 underlying)
Footnotes (1)
- [F1]The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.
Signature
/s/ Jeffrey Cerio, attorney-in-fact|2026-06-11