LYEL
Lyell Immunopharma Inc
NASDAQ: LYEL · HEALTHCARE · BIOTECHNOLOGY
$19.73
-4.22% today
Updated 2026-04-30
Market cap
$527.78M
P/E ratio
—
P/S ratio
14,660.60x
EPS (TTM)
$-16.06
Dividend yield
—
52W range
$8 – $45
Volume
0.1M
Lyell Immunopharma Inc (LYEL) Insider transactions
Net insider activity
Net buying (24,912,521 shares)
Buy transactions
74
Sell transactions
26
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-09 | SHAH, SMITAL | Chief Fin. and Bus. Officer | Buy | 140,000 | — | — |
| 2026-03-06 | ARCH, VENTURE PARTNERS IX, LLC | 10% Owner | Buy | 488,090 | $25.61 | $12.50M |
| 2026-03-06 | ARCH, VENTURE FUND XIII, L.P. | 10% Owner | Buy | 488,090 | $25.61 | $12.50M |
| 2026-02-11 | SEELY, LYNN | Director, President and CEO | Sale | 7,455 | $23.39 | $174372.45 |
| 2026-02-11 | LEE, GARY K. | Chief Scientific Officer | Sale | 1,671 | $23.39 | $39084.69 |
| 2026-02-11 | HILL, STEPHEN J. | Chief Operating Officer | Sale | 1,236 | $23.39 | $28910.04 |
| 2026-02-10 | SHOOK, DAVID | Chief Medical Officer | Buy | 50,000 | — | — |
| 2026-02-10 | SEELY, LYNN | Director, President and CEO | Buy | 155,000 | — | — |
| 2026-02-10 | SEELY, LYNN | Director, President and CEO | Sale | 438 | $23.12 | $10126.56 |
| 2026-02-10 | MELTZ, MARK A | General Counsel | Buy | 50,000 | — | — |
| 2026-02-10 | LEE, GARY K. | Chief Scientific Officer | Buy | 50,000 | — | — |
| 2026-02-10 | LEE, GARY K. | Chief Scientific Officer | Sale | 147 | $23.12 | $3398.64 |
| 2026-02-10 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 65,000 | — | — |
| 2026-02-10 | HILL, STEPHEN J. | Chief Operating Officer | Sale | 109 | $23.12 | $2520.08 |
| 2026-02-10 | BULIS, VERONICA SANCHEZ | VP, Corporate Controller | Buy | 8,750 | — | — |
| 2026-02-10 | BULIS, VERONICA SANCHEZ | VP, Corporate Controller | Sale | 254 | $23.12 | $5872.48 |
| 2026-02-09 | SEELY, LYNN | Director, President and CEO | Buy | 20,000 | — | — |
| 2026-02-09 | LEE, GARY K. | Chief Scientific Officer | Buy | 4,000 | — | — |
| 2026-02-09 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 4,000 | — | — |
| 2025-12-30 | BULIS, VERONICA SANCHEZ | VP, Corporate Controller | Sale | 936 | $32.32 | $30251.52 |
| 2025-12-24 | BULIS, VERONICA SANCHEZ | VP, Corporate Controller | Sale | 1,136 | $38.67 | $43929.12 |
| 2025-11-10 | SEELY, LYNN | Director, President and CEO | Sale | 412 | $16.11 | $6637.32 |
| 2025-11-10 | LEE, GARY K. | Chief Scientific Officer | Sale | 138 | $16.16 | $2230.08 |
| 2025-11-10 | HILL, STEPHEN J. | Chief Operating Officer | Sale | 95 | $16.12 | $1531.40 |
| 2025-11-10 | BULIS, VERONICA SANCHEZ | VP, Corporate Controller | Sale | 239 | $16.10 | $3847.90 |
| 2025-10-27 | SEELY, LYNN | Director, President and CEO | Buy | 175,000 | — | — |
| 2025-10-27 | LEE, GARY K. | Chief Scientific Officer | Buy | 68,000 | — | — |
| 2025-10-27 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 75,000 | — | — |
| 2025-08-21 | SEELY, LYNN | Director, President and CEO | Sale | 7,257 | $10.54 | $76517.81 |
| 2025-08-21 | NEWTON, CHARLES W. | Chief Financial Officer | Sale | 1,453 | $10.54 | $15320.43 |
| 2025-08-21 | LEE, GARY K. | Chief Scientific Officer | Sale | 1,453 | $10.54 | $15320.43 |
| 2025-08-21 | HILL, STEPHEN J. | Chief Operating Officer | Sale | 1,004 | $10.54 | $10586.18 |
| 2025-08-20 | SEELY, LYNN | Director, President and CEO | Buy | 40,000 | — | — |
| 2025-08-20 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 8,000 | — | — |
| 2025-08-20 | LEE, GARY K. | Chief Scientific Officer | Buy | 8,000 | — | — |
| 2025-08-20 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 8,000 | — | — |
| 2025-08-12 | SEELY, LYNN | Director, President and CEO | Sale | 406 | $10.34 | $4197.23 |
| 2025-08-12 | NEWTON, CHARLES W. | Chief Financial Officer | Sale | 136 | $10.34 | $1405.97 |
| 2025-08-12 | LEE, GARY K. | Chief Scientific Officer | Sale | 136 | $10.34 | $1405.97 |
| 2025-08-12 | HILL, STEPHEN J. | Chief Operating Officer | Sale | 94 | $10.34 | $971.77 |
| 2025-08-11 | SEELY, LYNN | Director, President and CEO | Sale | 391 | $10.53 | $4115.67 |
| 2025-08-11 | NEWTON, CHARLES W. | Chief Financial Officer | Sale | 131 | $10.53 | $1378.91 |
| 2025-08-11 | LEE, GARY K. | Chief Scientific Officer | Sale | 131 | $10.53 | $1378.91 |
| 2025-08-11 | HILL, STEPHEN J. | Chief Operating Officer | Sale | 91 | $10.53 | $957.87 |
| 2025-06-09 | SHOOK, DAVID | Chief Medical Officer | Buy | 43,750 | — | — |
| 2025-06-09 | SHOOK, DAVID | Chief Medical Officer | Buy | 21,900 | — | — |
| 2025-06-09 | MELTZ, MARK A | General Counsel | Buy | 100,000 | — | — |
| 2025-06-09 | BACHLEDA, MARK | Director | Buy | 13,000 | — | — |
| 2025-05-15 | RIEFLIN, WILLIAM JL | Director | Buy | 130,000 | — | — |
| 2025-05-15 | RAMACHANDRA, SUMANT | Director | Buy | 130,000 | — | — |
| 2025-05-15 | NABEL, ELIZABETH G | Director | Buy | 130,000 | — | — |
| 2025-05-15 | KLAUSNER, RICHARD | Director | Buy | 130,000 | — | — |
| 2025-05-15 | FRIEDMAN, CATHY | Director | Buy | 130,000 | — | — |
| 2025-05-15 | BRAWLEY, OTIS W | Director | Buy | 130,000 | — | — |
| 2025-03-31 | BRAWLEY, OTIS W | Director | Buy | 35,640 | $0.56 | $19958.40 |
| 2025-03-21 | RAMACHANDRA, SUMANT | Director | Buy | 200,000 | $0.58 | $115220.00 |
| 2025-03-17 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 200,000 | $0.56 | $111620.00 |
| 2025-03-14 | SEELY, LYNN | Director, President and CEO | Buy | 175,000 | $0.61 | $106190.00 |
| 2025-03-14 | KLAUSNER, RICHARD | Director | Buy | 158,000 | $0.60 | $94942.20 |
| 2025-02-10 | SEELY, LYNN | Director, President and CEO | Buy | 1,350,000 | — | — |
| 2025-02-10 | SEELY, LYNN | Director, President and CEO | Buy | 168,750 | — | — |
| 2025-02-10 | SEELY, LYNN | Director, President and CEO | Buy | 337,500 | — | — |
| 2025-02-10 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 450,000 | — | — |
| 2025-02-10 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 56,250 | — | — |
| 2025-02-10 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 112,500 | — | — |
| 2025-02-10 | LEE, GARY K. | Chief Scientific Officer | Buy | 450,000 | — | — |
| 2025-02-10 | LEE, GARY K. | Chief Scientific Officer | Buy | 56,250 | — | — |
| 2025-02-10 | LEE, GARY K. | Chief Scientific Officer | Buy | 112,500 | — | — |
| 2025-02-10 | LANG, MATTHEW | Chief Business Officer | Buy | 450,000 | — | — |
| 2025-02-10 | LANG, MATTHEW | Chief Business Officer | Buy | 56,250 | — | — |
| 2025-02-10 | LANG, MATTHEW | Chief Business Officer | Buy | 112,500 | — | — |
| 2025-02-10 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 450,000 | — | — |
| 2025-02-10 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 56,250 | — | — |
| 2025-02-10 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 112,500 | — | — |
| 2024-10-31 | RAMACHANDRA, SUMANT | Director | Buy | 260,000 | — | — |
| 2024-06-14 | RIEFLIN, WILLIAM JL | Director | Buy | 130,000 | — | — |
| 2024-06-14 | NELSEN, ROBERT | Director, 10% Owner | Buy | 130,000 | — | — |
| 2024-06-14 | NABEL, ELIZABETH G | Director | Buy | 130,000 | — | — |
| 2024-06-14 | KLAUSNER, RICHARD | Director | Buy | 130,000 | — | — |
| 2024-06-14 | FRIEDMAN, CATHY | Director | Buy | 130,000 | — | — |
| 2024-06-14 | BRAWLEY, OTIS W | Director | Buy | 130,000 | — | — |
| 2024-06-14 | BISHOP, HANS EDGAR | Director | Buy | 130,000 | — | — |
| 2024-02-09 | SEELY, LYNN | Director, President and CEO | Buy | 200,000 | — | — |
| 2024-02-09 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 400,000 | — | — |
| 2024-02-09 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 40,000 | — | — |
| 2024-02-09 | LEE, GARY K. | Chief Scientific Officer | Buy | 400,000 | — | — |
| 2024-02-09 | LEE, GARY K. | Chief Scientific Officer | Buy | 40,000 | — | — |
| 2024-02-09 | LANG, MATTHEW | Chief Business Officer | Buy | 500,000 | — | — |
| 2024-02-09 | LANG, MATTHEW | Chief Business Officer | Buy | 50,000 | — | — |
| 2024-02-09 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 400,000 | — | — |
| 2024-02-09 | HILL, STEPHEN J. | Chief Operating Officer | Buy | 40,000 | — | — |
| 2023-11-16 | SEELY, LYNN | Director, President and CEO | Buy | 7,500,000 | — | — |
| 2023-11-16 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 3,612,000 | — | — |
| 2023-11-16 | NEWTON, CHARLES W. | Chief Financial Officer | Sale | 516,000 | — | — |
| 2023-11-16 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 500,000 | — | — |
| 2023-11-16 | NEWTON, CHARLES W. | Chief Financial Officer | Buy | 190,000 | — | — |
| 2023-11-16 | LEE, GARY K. | Chief Scientific Officer | Buy | 800,000 | — | — |
| 2023-11-16 | HILL, STEPHEN J. | Chief Technical Ops. Officer | Buy | 700,000 | — | — |
| 2023-11-16 | HILL, STEPHEN J. | Chief Technical Ops. Officer | Buy | 500,000 | — | — |
| 2023-11-16 | HILL, STEPHEN J. | Chief Technical Ops. Officer | Buy | 450,000 | — | — |