Nessan Bermingham - 11 Jun 2025 Form 4 Insider Report for Korro Bio, Inc. (KRRO)

Role
Director
Signature
/s/ Jeffrey Cerio, attorney-in-fact
Issuer symbol
KRRO
Transactions as of
11 Jun 2025
Net transactions value
$0
Form type
4
Filing time
12 Jun 2025, 16:29:03 UTC
Previous filing
12 Jun 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bermingham Nessan Director C/O KORRO BIO, INC., 60 FIRST STREET, 2ND FLOOR, SUITE 250, CAMBRIDGE /s/ Jeffrey Cerio, attorney-in-fact 12 Jun 2025 0001377759

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 +6,010 $0.000000 6,010 11 Jun 2025 Common Stock 6,010 $14.87 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.

Remarks:

Exhibit 24.1 - Power of Attorney