As of May 14, 2026, Lexeo Therapeutics's top three insider holders are Capital Partners Iv, Llc Longitude (TenPercentOwner, 2.57Mn shares), Fund Vi, L.P. Omega (TenPercentOwner, 2.16Mn shares), Fund Vi, L.P. Omega (TenPercentOwner, 2.16Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital Partners Iv, Llc Longitude | - | 0 | 2,567,100 | 09 Nov, 2023 |
| Fund Vi, L.P. Omega | - | 2,157,623 | 0 | 09 Nov, 2023 |
| Fund Vi, L.P. Omega | - | 2,157,623 | 0 | 09 Nov, 2023 |
| Invest A/S Lundbeckfond | - | 1,835,959 | 0 | 09 Nov, 2023 |
| Invest A/S Lundbeckfond | - | 1,835,959 | 0 | 09 Nov, 2023 |
| Richard Nolan Townsend | Chief Executive Officer | 395,106 | 0 | 17 Mar, 2026 |
| Richard Nolan Townsend | Chief Executive Officer | 340,106 | 0 | 07 Apr, 2026 |
| Jose Manuel Otero | Chief Operating Officer | 131,390 | 0 | 17 Mar, 2026 |
| Jose Manuel Otero | Chief Operating Officer | 131,390 | 0 | 17 Mar, 2026 |
| Louis Edward Tamayo | Chief Financial Officer | 89,665 | 0 | 06 Feb, 2026 |
| Louis Edward Tamayo | Chief Financial Officer | 89,665 | 0 | 06 Feb, 2026 |
| Eric Adler | Chief Medical Officer | 72,646 | 0 | 20 Nov, 2025 |
| Jenny Robertson | Chief Legal Officer | 68,381 | 0 | 20 Nov, 2025 |
| Jenny Robertson | Chief Legal Officer | 68,381 | 0 | 20 Nov, 2025 |
| Tai Sandi See | Chief Development Officer | 65,476 | 0 | 20 Nov, 2025 |
| Tai Sandi See | Chief Development Officer | 65,476 | 0 | 20 Nov, 2025 |
| Narinder Pal Bhalla | Chief Medical Officer | 49,500 | 0 | 17 Feb, 2026 |
| Kyle Rasbach | Chief Financial Officer | 40,875 | 0 | 22 Jan, 2025 |
| Kyle Rasbach | Chief Financial Officer | 40,875 | 0 | 22 Jan, 2025 |
| Paula H Cholmondeley | - | 30,627 | 0 | 26 Nov, 2024 |
| Paul Mccormac | Chief Technical Officer | 17,349 | 0 | 09 Nov, 2023 |
| Paul Mccormac | Chief Technical Officer | 17,349 | 0 | 09 Nov, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 06 Apr, 2026 | Richard Nolan Townsend | Common Stock | D | 55,000 | $5.69 | 340,106 | D | S |
| 13 Mar, 2026 | Richard Nolan Townsend | Common Stock | A | 2,623 | $2.64 | 395,106 | D | A |
| 13 Mar, 2026 | Jose Manuel Otero | Common Stock | A | 5,930 | $2.64 | 131,390 | D | A |
| 13 Mar, 2026 | Richard Nolan Townsend | Common Stock | A | 2,623 | $2.64 | 395,106 | D | A |
| 13 Mar, 2026 | Jose Manuel Otero | Common Stock | A | 5,930 | $2.64 | 131,390 | D | A |
| 18 Feb, 2026 | Jose Manuel Otero | Common Stock | D | 3,016 | $6.40 | 125,460 | D | S |
| 18 Feb, 2026 | Jose Manuel Otero | Common Stock | D | 3,016 | $6.40 | 125,460 | D | S |
| 18 Feb, 2026 | Richard Nolan Townsend | Common Stock | D | 10,173 | $6.38 | 392,483 | D | S |
| 18 Feb, 2026 | Richard Nolan Townsend | Common Stock | D | 10,173 | $6.38 | 392,483 | D | S |
| 13 Feb, 2026 | Narinder Pal Bhalla | Common Stock | A | 49,500 | $0.00 | 49,500 | D | A |
| 13 Feb, 2026 | Narinder Pal Bhalla | Stock Option (right to buy) | A | 297,000 | $0.00 | 297,000 | D | A |
| 04 Feb, 2026 | Jose Manuel Otero | Common Stock | A | 65,000 | $0.00 | 128,476 | D | A |
| 04 Feb, 2026 | Jose Manuel Otero | Common Stock | A | 65,000 | $0.00 | 128,476 | D | A |
| 04 Feb, 2026 | Louis Edward Tamayo | Common Stock | A | 44,665 | $0.00 | 89,665 | D | A |
| 04 Feb, 2026 | Richard Nolan Townsend | Common Stock | A | 161,665 | $0.00 | 402,656 | D | A |
| 04 Feb, 2026 | Richard Nolan Townsend | Common Stock | A | 161,665 | $0.00 | 402,656 | D | A |
| 04 Feb, 2026 | Louis Edward Tamayo | Common Stock | A | 44,665 | $0.00 | 89,665 | D | A |
| 04 Feb, 2026 | Louis Edward Tamayo | Stock Option (right to buy) | A | 226,665 | $0.00 | 226,665 | D | A |
| 04 Feb, 2026 | Richard Nolan Townsend | Stock Option (right to buy) | A | 646,665 | $0.00 | 646,665 | D | A |
| 04 Feb, 2026 | Jose Manuel Otero | Stock Option (right to buy) | A | 260,000 | $0.00 | 260,000 | D | A |