LYEL's three largest insider shareholders as of March 23, 2026 are Robert Nelsen (Director, 18.21Mn shares), Venture Partners Ix, Llc Arch (TenPercentOwner, 1.43Mn shares), Venture Fund Xiii, L.P. Arch (TenPercentOwner, 1.43Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Robert Nelsen | 0 | 18,206,358 | 23 Jun, 2021 | |
| Sumant Ramachandra | 0 | 200,000 | 25 Mar, 2025 | |
| Charles W. Newton | Chief Financial Officer | 0 | 200,000 | 18 Mar, 2025 |
| Lynn Seely | President And Ceo | 74,266 | 0 | 12 Feb, 2026 |
| David Shook | Chief Medical Officer | 21,900 | 0 | 11 Jun, 2025 |
| Charles W. Newton | Chief Financial Officer | 15,306 | 0 | 22 Aug, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Mar, 2026 | Smital Shah | Option (right to buy) | A | 140,000 | $0.00 | 140,000 | D | A |
| 11 Feb, 2026 | Lynn Seely | Common Stock | D | 7,455 | $23.39 | 74,266 | D | S |
| 10 Feb, 2026 | Mark A Meltz | Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 09 Feb, 2026 | Lynn Seely | Common Stock | A | 20,000 | $0.00 | 82,159 | D | A |
| 10 Feb, 2026 | Lynn Seely | Common Stock | D | 438 | $23.12 | 81,721 | D | S |
| 10 Feb, 2026 | David Shook | Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 10 Feb, 2026 | Lynn Seely | Option (right to buy) | A | 155,000 | $0.00 | 155,000 | D | A |
| 10 Nov, 2025 | Lynn Seely | Common Stock | D | 412 | $16.11 | 67,159 | D | S |
| 27 Oct, 2025 | Lynn Seely | Option (right to buy) | A | 175,000 | $0.00 | 175,000 | D | A |
| 20 Aug, 2025 | Charles W. Newton | Common Stock | A | 8,000 | $0.00 | 16,759 | D | A |
| 20 Aug, 2025 | Lynn Seely | Common Stock | A | 40,000 | $0.00 | 74,828 | D | A |
| 21 Aug, 2025 | Lynn Seely | Common Stock | D | 7,257 | $10.54 | 67,571 | D | S |
| 21 Aug, 2025 | Charles W. Newton | Common Stock | D | 1,453 | $10.54 | 15,306 | D | S |
| 11 Aug, 2025 | Charles W. Newton | Common Stock | D | 131 | $10.53 | 8,895 | D | S |
| 11 Aug, 2025 | Lynn Seely | Common Stock | D | 391 | $10.53 | 35,234 | D | S |
| 12 Aug, 2025 | Charles W. Newton | Common Stock | D | 136 | $10.34 | 8,759 | D | S |
| 12 Aug, 2025 | Lynn Seely | Common Stock | D | 406 | $10.34 | 34,828 | D | S |
| 09 Jun, 2025 | Mark A Meltz | Option (right to buy) | A | 100,000 | $0.00 | 100,000 | D | A |
| 09 Jun, 2025 | David Shook | Common Stock | A | 21,900 | $0.00 | 21,900 | D | A |
| 09 Jun, 2025 | David Shook | Option (right to buy) | A | 43,750 | $0.00 | 43,750 | D | A |