Korro Bio, Inc. — Director's Dealing 2026

Feb 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Korro Bio, Inc. (KRRO)
CIK: 0001703647
Period of Report: 2026-02-02

Reporting Person: Dolan Oliver (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-02	Stock Option (Right to Buy)	$13.05	A	15000	Acquired	2036-02-01	Common Stock (15000)	Direct

Footnotes

F1: The shares subject to the option vest in 48 equal monthly installments commencing from February 2, 2026, subject to the Reporting Person's continued service on each such vesting date.