Based on data from the past 90 days ending January 10, 2026, Lexeo Therapeutics's three largest insider shareholders 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 | 240,991 | 20 Nov, 2025 |
| 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 |
| Jose Manuel Otero | Chief Technical Officer | 63,476 | 20 Nov, 2025 |
| Louis Edward Tamayo | Chief Financial Officer | 45,000 | 03 Sep, 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 |
|---|---|---|---|---|---|---|---|---|
| 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 | 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 | 3,486 | $8.94 | 68,970 | D | S |
| 17 Oct, 2025 | Jenny Robertson | Common Stock | D | 40 | $9.56 | 68,930 | 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 | 2,091 | $8.94 | 64,221 | D | S |
| 17 Oct, 2025 | Jose Manuel Otero | Common Stock | D | 24 | $9.56 | 64,197 | D | S |
| 15 Oct, 2025 | Eric Adler | Common Stock | A | 9,570 | $0.00 | 76,643 | D | A |
| 15 Oct, 2025 | Jenny Robertson | Common Stock | A | 9,900 | $0.00 | 72,456 | D | A |
| 15 Oct, 2025 | Richard Nolan Townsend | Common Stock | A | 33,000 | $0.00 | 255,251 | D | A |
| 15 Oct, 2025 | Tai Sandi See | Common Stock | A | 10,890 | $0.00 | 69,750 | D | A |
| 15 Oct, 2025 | Jose Manuel Otero | Common Stock | A | 5,940 | $0.00 | 66,312 | D | A |
| 12 Sep, 2025 | Richard Nolan Townsend | Common Stock | A | 2,193 | $2.64 | 222,251 | D | A |