21 insiders reported 67 Form 4 transactions for Lyell Immunopharma, Inc. (LYEL) over the past 18 months (most recent 2026-09-10). Recent activity: Shook David (Chief Medical Officer) Sell 500 shares, Seely Lynn (President and CEO) Sell 9,589 shares, Hill Stephen J. (Chief Operating Officer) Sell 989 shares, Lee Gary K. (Chief Scientific Officer) Sell 1,457 shares, Seely Lynn (President and CEO) Sell 390 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-10 | Shook David | Chief Medical Officer | Sell | 500 | $6,350 |
| 2026-08-25 | Seely Lynn | President and CEO | Sell | 9,589 | $149,013 |
| 2026-08-25 | Hill Stephen J. | Chief Operating Officer | Sell | 989 | $15,369 |
| 2026-08-25 | Lee Gary K. | Chief Scientific Officer | Sell | 1,457 | $22,642 |
| 2026-08-11 | Seely Lynn | President and CEO | Sell | 390 | $5,593 |
| 2026-08-11 | Hill Stephen J. | Chief Operating Officer | Sell | 89 | $1,276 |
| 2026-08-11 | Lee Gary K. | Chief Scientific Officer | Sell | 131 | $1,879 |
| 2026-08-11 | Bulis Veronica Sanchez | VP, Corporate Controller | Sell | 621 | $8,905 |
| 2026-07-27 | Innovative Cellular Therapeutics Holdings Ltd | 10% Owner | Sell | 38,500 | $0 |
| 2026-07-27 | Innovative Cellular Therapeutics Holdings Ltd | 10% Owner | Sell | 44,000 | $0 |
| 2026-07-20 | Innovative Cellular Therapeutics Holdings Ltd | 10% Owner | Sell | 10 | $137 |
| 2026-07-17 | Innovative Cellular Therapeutics Holdings Ltd | 10% Owner | Sell | 10 | $137 |
| 2026-07-01 | Innovative Cellular Therapeutics Holdings Ltd | 10% Owner | Sell | 76,000 | $0 |
| 2026-06-18 | Innovative Cellular Therapeutics Holdings Ltd | 10% Owner | Sell | 66,500 | $0 |
| 2026-06-15 | Bulis Veronica Sanchez | VP, Corporate Controller | Sell | 217 | $4,103 |
| 2026-06-15 | Hill Stephen J. | Chief Operating Officer | Sell | 89 | $1,684 |
| 2026-06-15 | Lee Gary K. | Chief Scientific Officer | Sell | 130 | $2,460 |
| 2026-06-15 | Seely Lynn | President and CEO | Sell | 388 | $7,337 |
| 2026-06-11 | Shook David | Chief Medical Officer | Sell | 1,977 | $24,989 |
| 2026-03-09 | BERNS PAUL L | 10% Owner | Buy | 488,090 | $12.5M |
| 2026-03-09 | CRANDELL KEITH | 10% Owner | Buy | 488,090 | $12.5M |
| 2026-03-09 | NELSEN ROBERT | 10% Owner | Buy | 488,090 | $12.5M |
| 2026-03-09 | BYBEE CLINTON | 10% Owner | Buy | 488,090 | $12.5M |
| 2026-03-09 | GILLIS STEVEN | 10% Owner | Buy | 488,090 | $12.5M |
| 2026-03-09 | Burow Kristina | 10% Owner | Buy | 488,090 | $12.5M |
Source: SEC Form 4 filings · as of 2026-09-10