Loic A. Vincent - 16 Jun 2026 Form 4 Insider Report for Korro Bio, Inc. (KRRO)

Reporting relationship: Chief Scientific Officer
Issuer ticker: KRRO
Reported as of: 16 Jun 2026
Net transaction value: -$37,017
SEC form: 4
Accepted by SEC: 17 Jun 2026, 16:11:04 UTC
Prior SEC filing: 03 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Cerio, Attorney-in-fact

Key filing fact

Loic A. Vincent filed Form 4 for Korro Bio, Inc. (KRRO) on 17 Jun 2026.

Key facts

This page summarizes Loic A. Vincent's Form 4 filing for Korro Bio, Inc. (KRRO).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 17 Jun 2026, 16:11.

Change

Previous filing in this sequence was filed on 03 Feb 2026.
Current net transaction value: -$37,017.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002063400 Primary reporting owner

Vincent Loic A

Relationship: Chief Scientific Officer
Address: C/O KORRO BIO, INC., 60 FIRST STREET, 2ND FLOOR, SUITE 250, CAMBRIDGE
Signature: /s/ Jeffrey Cerio, Attorney-in-fact
Signature date: 17 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KRRO transaction

Common Stock

Sale

Transaction value: $37,017
Shares: -3,418
Change %: -16%
Price: $10.83
Shares after: 18,297
Date: 16 Jun 2026
Ownership: Direct
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan).

Footnote F2

The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.58 to $11.35, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

Footnote F3

Includes 10,858 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on December 15, 2026 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date.