Loic A. Vincent - 01 Apr 2025 Form 4 Insider Report for Korro Bio, Inc. (KRRO)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	KRRO	Stock Option (Right to Buy)	Award	$0	+70,000		$0.000000	70,000	01 Apr 2025	Common Stock	70,000	$15.95	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The shares subject to the option vest as to 25% of the shares on March 31, 2026, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date