SEC Form 4 · accession 0000902664-26-003434
Korro Bio, Inc. · KRRO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Period of report
Aug 6, 2026
Accepted (ET)
Aug 13, 2026 · 9:54 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001703647
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common stock, $0.001 par value per shareF2,F1 | Aug 6, 2026 | P | 5,222 | $11.3998 | A | 1,543,518 | I | See footnote |
| Common stock, $0.001 par value per shareF3,F1 | Aug 10, 2026 | P | 1,462 | $13.1869 | A | 1,544,980 | I | See footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.
- F2The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.39 to $11.40 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.
- F3The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.11 to $13.50 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.