Korro Bio, Inc. also files under FREQ; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell(S) | 5 | $13.72 | $69 |
| Sep 9, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell(S) | 6 | $13.60 | $82 |
| Sep 8, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell(S) | 7K | $13.51 | $99K |
| Aug 26, 2026 | Formela Jean Francois | Director | Sell(S) | 249 | $13.96 | $3K |
| Aug 26, 2026 | Formela Jean Francois | Director | Sell(S) | 51 | $13.96 | $712 |
| Aug 19, 2026 | Formela Jean Francois | Director | Sell(S) | 24K | $14.00 | $330K |
| Aug 19, 2026 | Formela Jean Francois | Director | Sell(S) | 5K | $14.00 | $68K |
| Aug 11, 2026 | Formela Jean Francois | Director | Sell(S) | 368 | $13.96 | $5K |
| Aug 11, 2026 | Formela Jean Francois | Director | Sell(S) | 2K | $13.96 | $25K |
| Aug 10, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 1K | $13.19 | $19K |
| Aug 6, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 5K | $11.40 | $60K |
| Aug 4, 2026 | Aiyar Ram | President and CEO, Director | Sell(S) | 6K | $10.84 | $63K |
| Jul 15, 2026 | Dolan Oliver | Senior Vice President, Finance | Grant(A) | 6K | — | $0 |
| Jul 15, 2026 | Vincent Loic A | Chief Scientific Officer | Grant(A) | 8K | — | $0 |
| Jul 15, 2026 | Cerio Jeffrey | General Counsel | Grant(A) | 7K | — | $0 |
| Jul 15, 2026 | Chappell Todd | Chief Operating Officer | Grant(A) | 8K | — | $0 |
| Jul 6, 2026 | Formela Jean Francois | Director | Sell(S) | 817 | $13.96 | $11K |
| Jul 6, 2026 | Formela Jean Francois | Director | Sell(S) | 9K | $13.96 | $119K |
| Jul 2, 2026 | Formela Jean Francois | Director | Sell(S) | 15K | $14.03 | $207K |
| Jul 2, 2026 | Formela Jean Francois | Director | Sell(S) | 86K | $14.03 | $1.2M |
| Jun 24, 2026 | Formela Jean Francois | Director | Sell(S) | 41K | $14.60 | $594K |
| Jun 24, 2026 | Formela Jean Francois | Director | Sell(S) | 114 | $14.98 | $2K |
| Jun 24, 2026 | Formela Jean Francois | Director | Sell(S) | 7K | $14.60 | $102K |
| Jun 24, 2026 | Formela Jean Francois | Director | Sell(S) | 666 | $14.98 | $10K |
| Jun 23, 2026 | Formela Jean Francois | Director | Sell(S) | 102K | $14.25 | $1.4M |
| Jun 23, 2026 | Formela Jean Francois | Director | Sell(S) | 17K | $14.25 | $248K |
| Jun 22, 2026 | Formela Jean Francois | Director | Sell(S) | 3K | $13.95 | $47K |
| Jun 22, 2026 | Formela Jean Francois | Director | Sell(S) | 580 | $13.95 | $8K |
| Jun 16, 2026 | Cerio Jeffrey | General Counsel | Sell(S) | 7K | $10.83 | $72K |
| Jun 16, 2026 | Chappell Todd | Chief Operating Officer | Sell(S) | 3K | $10.83 | $34K |
| Jun 16, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell(S) | 3K | $10.83 | $37K |
| Jun 16, 2026 | Vincent Loic A | Chief Scientific Officer | Sell(S) | 3K | $10.83 | $37K |
| Jun 10, 2026 | Meyers Rachel | Director | Grant(A) | 15K | — | $0 |
| Jun 10, 2026 | Behbahani Ali | Director | Grant(A) | 15K | — | $0 |
| Jun 10, 2026 | Knobil Katharine | Director | Grant(A) | 15K | — | $0 |
| Jun 10, 2026 | Formela Jean Francois | Director | Grant(A) | 15K | — | $0 |
| Jun 10, 2026 | Pearson Timothy R | Director | Grant(A) | 15K | — | $0 |
| Jun 10, 2026 | Bermingham Nessan | Director | Grant(A) | 15K | — | $0 |
| May 29, 2026 | Aiyar Ram | President and CEO, Director | Sell(S) | 15K | $12.98 | $197K |
| May 28, 2026 | Formela Jean Francois | Director | Sell(S) | 419 | $13.95 | $6K |
| May 28, 2026 | Formela Jean Francois | Director | Sell(S) | 2K | $13.95 | $34K |
| May 26, 2026 | Aiyar Ram | President and CEO, Director | Grant(A) | 50K | $12.33 | $617K |
| Mar 31, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy(P) | 520 | $10.60 | $6K |
| Mar 10, 2026 | Yang Rick | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Makhzoumi Mohamad | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Sandell Scott D | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Sandell Scott D | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | New Enterprise Associates 17, L.P. | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Florence Anthony A. Jr. | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | New Enterprise Associates 17, L.P. | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Behbahani Ali | Director, 10% Owner | Grant(A) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Behbahani Ali | Director, 10% Owner | Grant(A) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Chang Carmen | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Florence Anthony A. Jr. | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Chang Carmen | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Baskett Forest | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Baskett Forest | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Mathers Edward T | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Mathers Edward T | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Walker Paul Edward | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Walker Paul Edward | 10% Owner | Buy(P) | 207K | $11.11 | $2.3M |
| Mar 10, 2026 | Yang Rick | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Mar 10, 2026 | Makhzoumi Mohamad | 10% Owner | Buy(P) | 243K | $11.11 | $2.7M |
| Feb 2, 2026 | Aiyar Ram | President and CEO, Director | Grant(A) | 80K | — | $0 |
| Feb 2, 2026 | Aiyar Ram | President and CEO, Director | Grant(A) | 40K | — | $0 |
| Feb 2, 2026 | Vincent Loic A | Chief Scientific Officer | Grant(A) | 35K | — | $0 |
| Feb 2, 2026 | Dolan Oliver | Senior Vice President, Finance | Grant(A) | 15K | — | $0 |
| Feb 2, 2026 | Cerio Jeffrey | General Counsel | Grant(A) | 23K | — | $0 |
| Feb 2, 2026 | Chappell Todd | Chief Operating Officer | Grant(A) | 38K | — | $0 |
| Dec 15, 2025 | Vincent Loic A | Chief Scientific Officer | Grant(A) | 22K | — | $0 |
| Dec 15, 2025 | Cerio Jeffrey | General Counsel | Grant(A) | 42K | — | $0 |
| Dec 15, 2025 | Chappell Todd | Chief Operating Officer | Grant(A) | 20K | — | $0 |
| Dec 15, 2025 | Dolan Oliver | Senior Vice President, Finance | Grant(A) | 21K | — | $0 |
| Jun 11, 2025 | Formela Jean Francois | Director | Grant(A) | 6K | — | $0 |
| Jun 11, 2025 | Behbahani Ali | Director, 10% Owner | Grant(A) | 6K | — | $0 |
| Jun 11, 2025 | Meyers Rachel | Director | Grant(A) | 6K | — | $0 |
| Jun 11, 2025 | Bermingham Nessan | Director | Grant(A) | 6K | — | $0 |
| Jun 11, 2025 | Knobil Katharine | Director | Grant(A) | 6K | — | $0 |
| Jun 11, 2025 | Pearson Timothy R | Director | Grant(A) | 6K | — | $0 |
| Apr 1, 2025 | Dolan Oliver | Senior Vice President, Finance | Grant(A) | 20K | — | $0 |
| Apr 1, 2025 | Vincent Loic A | Chief Scientific Officer | Grant(A) | 70K | — | $0 |
| Feb 3, 2025 | Olugemo Olukemi | Chief Medical Officer | Grant(A) | 42K | — | $0 |
| Feb 3, 2025 | Cerio Jeffrey | General Counsel | Grant(A) | 29K | — | $0 |
| Feb 3, 2025 | Agarwal Vineet | Chief Financial Officer | Grant(A) | 30K | — | $0 |
| Feb 3, 2025 | Aiyar Ram | President and CEO, Director | Grant(A) | 100K | — | $0 |
| Feb 3, 2025 | Chappell Todd | Chief Operating Officer | Grant(A) | 35K | — | $0 |
| Nov 11, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 800 | $70.00 | $56K |
| Nov 11, 2024 | Agarwal Vineet | Chief Financial Officer | Option exercise(M) | 800 | $11.68 | $9K |
| Nov 11, 2024 | Agarwal Vineet | Chief Financial Officer | Option exercise(M) | 800 | — | $0 |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Option exercise(M) | 953 | — | $0 |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 115 | $74.56 | $9K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 23 | $77.00 | $2K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Option exercise(M) | 9K | $11.68 | $108K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Option exercise(M) | 953 | $14.98 | $14K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 2K | $71.51 | $145K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 164 | $73.71 | $12K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 260 | $77.55 | $20K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 25 | $82.89 | $2K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 317 | $81.48 | $26K |
| Oct 17, 2024 | Agarwal Vineet | Chief Financial Officer | Sell(S) | 5K | $80.50 | $399K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Korro Bio, Inc., SEC CIK 0001703647. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under KRRO and shows every filing by that issuer (also filed as FREQ).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-15. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for KRRO