Based on data from the past 90 days ending February 19, 2026, Korro Bio's three largest insider shareholders are TenPercentOwner Mohamad Makhzoumi (1.09Mn shares), TenPercentOwner Enterprise Associates 17, L.P. New (1.09Mn shares), TenPercentOwner Anthony A. Jr. Florence (1.09Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Mohamad Makhzoumi | 1,090,793 | 24 Apr, 2024 | |
| Scott D Sandell | 1,090,793 | 24 Apr, 2024 | |
| Forest Baskett | 1,090,793 | 24 Apr, 2024 | |
| Edward T Mathers | 1,090,793 | 24 Apr, 2024 | |
| Rick Yang | 1,090,793 | 24 Apr, 2024 | |
| Enterprise Associates 17, L.P. New | 1,090,793 | 24 Apr, 2024 | |
| Paul Edward Walker | 1,090,793 | 24 Apr, 2024 | |
| Anthony A. Jr. Florence | 1,090,793 | 24 Apr, 2024 | |
| Carmen Chang | 1,090,793 | 24 Apr, 2024 | |
| Ali Behbahani | 1,090,793 | 24 Apr, 2024 | |
| Jean Francois Formela | 195,074 | 23 Apr, 2024 | |
| Venture Opportunity Fund Ii, L.P. Atlas | 195,074 | 23 Apr, 2024 | |
| Christopher R. Loose | Chief Scientific Officer | 3,673 | 31 Jul, 2023 |
| Richard J. Mitrano | Vp Finance & Operations | 969 | 22 Aug, 2023 |
| Ram Aiyar | President And Ceo | 40,092 | 03 Feb, 2026 |
| Jeffrey Cerio | General Counsel | 41,902 | 16 Dec, 2025 |
| Quentin Mccubbin | Chief Manufacturing Officer | 767 | 07 Jul, 2022 |
| Nessan Bermingham | 702 | 07 Nov, 2023 | |
| Carl Lebel | Chief Development Officer | 527 | 07 Jul, 2022 |
| David L. Lucchino | 22,150 | 27 Nov, 2023 | |
| Loic A Vincent | Chief Scientific Officer | 21,715 | 16 Dec, 2025 |
| Oliver Dolan | Senior Vice President And Finance | 21,482 | 16 Dec, 2025 |
| Wendy S Arnold | Chief People Officer | 424 | 07 Jul, 2022 |
| Todd Chappell | Chief Operating Officer | 20,132 | 16 Dec, 2025 |
| Peter P. Pfreundschuh | Chief Financial Officer | 179 | 23 Feb, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Feb, 2026 | Ram Aiyar | Common Stock | A | 40,000 | $0.00 | 40,000 | D | A |
| 15 Dec, 2025 | Todd Chappell | Common Stock | A | 20,132 | $0.00 | 20,132 | D | A |
| 15 Dec, 2025 | Jeffrey Cerio | Common Stock | A | 41,902 | $0.00 | 41,902 | D | A |
| 15 Dec, 2025 | Oliver Dolan | Common Stock | A | 21,482 | $0.00 | 21,482 | D | A |
| 15 Dec, 2025 | Loic A Vincent | Common Stock | A | 21,715 | $0.00 | 21,715 | D | A |
| 15 Dec, 2025 | Loic A Vincent | - | - | 21,715 | D | |||
| 11 Nov, 2024 | Vineet Agarwal | - | - | 800 | D | |||
| 11 Nov, 2024 | Vineet Agarwal | Common Stock | D | 800 | $70.00 | 0 | D | S |
| 11 Nov, 2024 | Vineet Agarwal | Common Stock | A | 800 | $11.68 | 800 | D | M |
| 17 Oct, 2024 | Vineet Agarwal | - | - | 25 | D | |||
| 17 Oct, 2024 | Vineet Agarwal | Common Stock | D | 4,961 | $80.50 | 342 | D | S |
| 17 Oct, 2024 | Vineet Agarwal | - | - | 7,858 | D | |||
| 17 Oct, 2024 | Vineet Agarwal | - | - | 7,575 | D | |||
| 17 Oct, 2024 | Vineet Agarwal | - | - | 7,835 | D | |||
| 17 Oct, 2024 | Vineet Agarwal | Common Stock | D | 317 | $81.48 | 25 | D | S |
| 17 Oct, 2024 | Vineet Agarwal | Common Stock | D | 457 | $78.59 | 7,118 | D | S |
| 17 Oct, 2024 | Vineet Agarwal | Common Stock | D | 1,815 | $79.79 | 5,303 | D | S |
| 17 Oct, 2024 | Vineet Agarwal | Common Stock | A | 953 | $14.98 | 10,216 | D | M |
| 17 Oct, 2024 | Vineet Agarwal | - | - | 5,303 | D | |||
| 17 Oct, 2024 | Vineet Agarwal | - | - | 0 | D |