Lyell Immunopharma's three largest insider shareholders as of May 30, 2026 are Hans Edgar Bishop (Director, 4.69Mn 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 |
|---|---|---|---|---|
| Otis W Brawley | - | 35,640 | 0 | 02 Apr, 2025 |
| Lynn Seely | President And Ceo | 74,266 | 0 | 12 Feb, 2026 |
| Cathy Friedman | - | 0 | 236,370 | 14 Dec, 2021 |
| Sumant Ramachandra | - | 0 | 200,000 | 25 Mar, 2025 |
| Hans Edgar Bishop | - | 4,685,614 | 0 | 09 Sep, 2022 |
| Richard Klausner | - | 0 | 930,880 | 17 Aug, 2023 |
| Matthew Lang | Chief Business Officer | 162,500 | 0 | 26 Feb, 2025 |
| Venture Partners Ix, Llc Arch | - | 0 | 1,426,528 | 09 Mar, 2026 |
| Stephen J. Hill | Chief Operating Officer | 17,795 | 0 | 12 Feb, 2026 |
| Charles W. Newton | Chief Financial Officer | 0 | 200,000 | 18 Mar, 2025 |
| Gary K. Lee | Chief Scientific Officer | 16,938 | 0 | 12 Feb, 2026 |
| David Shook | Chief Medical Officer | 21,900 | 0 | 11 Jun, 2025 |
| Venture Fund Xiii, L.P. Arch | - | 0 | 1,426,528 | 09 Mar, 2026 |
| Veronica Sanchez Bulis | Vp, Corporate Controller | 15,637 | 0 | 11 Feb, 2026 |
* 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 |
| 09 Mar, 2026 | Smital Shah | Option (right to buy) | A | 140,000 | $0.00 | 140,000 | D | A |
| 06 Mar, 2026 | Venture Partners Ix, Llc Arch | Common Stock | A | 488,090 | $25.61 | 1,426,528 | I | P |
| 06 Mar, 2026 | Venture Partners Ix, Llc Arch | Common Stock | A | 488,090 | $25.61 | 1,426,528 | I | P |
| 06 Mar, 2026 | Venture Partners Ix, Llc Arch | Common Stock | A | 488,090 | $25.61 | 1,426,528 | I | P |
| 06 Mar, 2026 | Venture Fund Xiii, L.P. Arch | Common Stock | A | 488,090 | $25.61 | 1,426,528 | I | P |
| 11 Feb, 2026 | Stephen J. Hill | Common Stock | D | 1,236 | $23.39 | 17,795 | D | S |
| 11 Feb, 2026 | Lynn Seely | Common Stock | D | 7,455 | $23.39 | 74,266 | D | S |
| 11 Feb, 2026 | Lynn Seely | Common Stock | D | 7,455 | $23.39 | 74,266 | D | S |
| 11 Feb, 2026 | Gary K. Lee | Common Stock | D | 1,671 | $23.39 | 16,938 | D | S |
| 09 Feb, 2026 | Lynn Seely | Common Stock | A | 20,000 | $0.00 | 82,159 | D | A |
| 10 Feb, 2026 | Mark A Meltz | Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 09 Feb, 2026 | Stephen J. Hill | Common Stock | A | 4,000 | $0.00 | 19,140 | D | A |
| 09 Feb, 2026 | Gary K. Lee | Common Stock | A | 4,000 | $0.00 | 18,756 | D | A |
| 09 Feb, 2026 | Lynn Seely | Common Stock | A | 20,000 | $0.00 | 82,159 | D | A |
| 10 Feb, 2026 | Veronica Sanchez Bulis | Common Stock | A | 8,750 | $0.00 | 15,891 | D | A |
| 10 Feb, 2026 | Mark A Meltz | Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 10 Feb, 2026 | David Shook | Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | A |
| 10 Feb, 2026 | Lynn Seely | Common Stock | D | 438 | $23.12 | 81,721 | D | S |
| 10 Feb, 2026 | Gary K. Lee | Common Stock | D | 147 | $23.12 | 18,609 | D | S |