PEARSON TIMOTHY R 4

What Happened

• Timothy R. Pearson, a director of Korro Bio, was granted a derivative award on 2026-06-10 covering 14,677 shares. The filing reports an acquisition price of $0.00 and a reported value of $0.00. The footnote identifies the grant as an option whose shares vest in full on the earlier of the one-year anniversary of the grant or the next annual meeting, subject to continued service as a non-employee director.

Key Details

• Transaction date: 2026-06-10; Form 4 filed: 2026-06-11 (timely).
• Amount: 14,677 derivative shares; per-share price reported: $0.00; total reported value: $0.00.
• Vesting: Full vesting on earlier of (i) one-year anniversary of grant or (ii) date of next annual meeting, subject to continued service (per footnote).
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Transaction type code: A (award/grant); this is a derivative award (option), not an open-market purchase or sale.

Context

• This grant appears to be a routine equity award for a non-employee director as part of compensation. It does not involve an immediate cash purchase or sale, and there is no indication the shares were sold or exercised at the time of the filing. Such awards are common and do not by themselves indicate the insider’s view of the company’s stock.