Lynn Seely
President and CEO at Lyell Immunopharma Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 2 boards, counting each seat separately. Longest: Lyell Immunopharma Inc., 2 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Lyell Immunopharma Inc. June 14, 202491.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 21, 2026 | Lyell Immunopharma Inc. | Open-market sale | −9,589 | $15.54 | $149,013 |
| Aug 10, 2026 | Lyell Immunopharma Inc. | Open-market sale | −390 | $14.34 | $5,593 |
| May 11, 2026 | Lyell Immunopharma Inc. | Open-market sale | −388 | $18.91 | $7,337 |
| Feb 11, 2026 | Lyell Immunopharma Inc. | Open-market sale | −7,455 | $23.39 | $174,372 |
| Feb 10, 2026 | Lyell Immunopharma Inc. | Open-market sale | −438 | $23.12 | $10,127 |
| Feb 9, 2026 | Lyell Immunopharma Inc. | Grant or award | +20,000 | — | — |
| Nov 10, 2025 | Lyell Immunopharma Inc. | Open-market sale | −412 | $16.11 | $6,637 |
| Aug 21, 2025 | Lyell Immunopharma Inc. | Open-market sale | −7,257 | $10.54 | $76,489 |
| Aug 20, 2025 | Lyell Immunopharma Inc. | Grant or award | +40,000 | — | — |
| Aug 12, 2025 | Lyell Immunopharma Inc. | Open-market sale | −406 | $10.34 | $4,198 |
| Aug 11, 2025 | Lyell Immunopharma Inc. | Open-market sale | −391 | $10.53 | $4,117 |
| Mar 14, 2025 | Lyell Immunopharma Inc. | Open-market purchase | +175,000 | $0.61 | $106,750 |
| Feb 10, 2025 | Lyell Immunopharma Inc. | Grant or award | +337,500 | — | — |
| Feb 9, 2024 | Lyell Immunopharma Inc. | Grant or award | +200,000 | — | — |
Questions about Lynn Seely
What boards is Lynn Seely on?
Lynn Seely sits on the boards of AbCellera Biologics Inc. and Lyell Immunopharma Inc.
What company is Lynn Seely the CEO of?
Lynn Seely is President and CEO of Lyell Immunopharma Inc.
How long has Lynn Seely served on boards?
Our records show at least 3 years of board service across 2 boards, the earliest from 2023.
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