According to recent filings covering the 90 days ending February 07, 2026, the three most significant insider holders at Lexeo Therapeutics are TenPercentOwner Capital Partners Iv, Llc Longitude (2.57Mn shares), TenPercentOwner Fund Vi, L.P. Omega (2.16Mn shares), TenPercentOwner Invest A/S Lundbeckfond (1.84Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Partners Iv, Llc Longitude | 2,567,100 | 09 Nov, 2023 | |
| Fund Vi, L.P. Omega | 2,157,623 | 09 Nov, 2023 | |
| Invest A/S Lundbeckfond | 1,835,959 | 09 Nov, 2023 | |
| Richard Nolan Townsend | Chief Executive Officer | 402,656 | 06 Feb, 2026 |
| Jose Manuel Otero | Chief Operating Officer | 128,476 | 06 Feb, 2026 |
| Louis Edward Tamayo | Chief Financial Officer | 89,665 | 06 Feb, 2026 |
| Eric Adler | Chief Medical Officer | 72,646 | 20 Nov, 2025 |
| Jenny Robertson | Chief Legal Officer | 68,381 | 20 Nov, 2025 |
| Tai Sandi See | Chief Development Officer | 65,476 | 20 Nov, 2025 |
| Kyle Rasbach | Chief Financial Officer | 40,875 | 22 Jan, 2025 |
| Paula H Cholmondeley | 30,627 | 26 Nov, 2024 | |
| Paul Mccormac | Chief Technical Officer | 17,349 | 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 |
|---|---|---|---|---|---|---|---|---|
| 04 Feb, 2026 | Richard Nolan Townsend | Common Stock | A | 161,665 | $0.00 | 402,656 | 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 |
| 18 Nov, 2025 | Eric Adler | Common Stock | D | 615 | $9.27 | 72,646 | D | S |
| 18 Nov, 2025 | Jenny Robertson | Common Stock | D | 549 | $9.27 | 68,381 | D | S |
| 18 Nov, 2025 | Richard Nolan Townsend | Common Stock | D | 1,127 | $9.27 | 240,991 | D | S |
| 18 Nov, 2025 | Tai Sandi See | Common Stock | D | 386 | $9.27 | 65,476 | D | S |
| 17 Oct, 2025 | Eric Adler | - | - | 73,299 | D | |||
| 17 Oct, 2025 | Eric Adler | - | - | 73,261 | D | |||
| 17 Oct, 2025 | Eric Adler | Common Stock | D | 3,344 | $8.94 | 73,299 | D | S |
| 17 Oct, 2025 | Eric Adler | Common Stock | D | 38 | $9.56 | 73,261 | D | S |
| 17 Oct, 2025 | Jenny Robertson | Common Stock | D | 40 | $9.56 | 68,930 | D | S |
| 17 Oct, 2025 | Jenny Robertson | Common Stock | D | 3,486 | $8.94 | 68,970 | D | S |
| 17 Oct, 2025 | Richard Nolan Townsend | Common Stock | D | 148 | $9.56 | 242,118 | D | S |
| 17 Oct, 2025 | Richard Nolan Townsend | Common Stock | D | 12,985 | $8.94 | 242,266 | D | S |
| 17 Oct, 2025 | Tai Sandi See | Common Stock | D | 44 | $9.56 | 65,862 | D | S |
| 17 Oct, 2025 | Tai Sandi See | Common Stock | D | 3,844 | $8.94 | 65,906 | D | S |
| 17 Oct, 2025 | Jose Manuel Otero | Common Stock | D | 24 | $9.56 | 64,197 | D | S |
| 17 Oct, 2025 | Jose Manuel Otero | Common Stock | D | 2,091 | $8.94 | 64,221 | D | S |
| 15 Oct, 2025 | Eric Adler | Common Stock | A | 9,570 | $0.00 | 76,643 | D | A |