NASDAQ:LYEL | Insider Transactions | Lyell Immunopharma, Inc.

LYEL Insider Transactions

61 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–61; provenance stays internal.

LYEL insiders transaction timeline

PurchaseSale
2021-06-21: 1 purchase — FRIEDMAN CATHY2022-09-23: 1 sale — Klausner Richard2023-08-15: 1 sale — Klausner Richard2025-03-14: 2 purchases — Klausner Richard, Seely Lynn2025-03-17: 1 purchase — Newton Charles W.2025-03-21: 1 purchase — Ramachandra Sumant2025-03-31: 1 purchase — BRAWLEY OTIS W2025-08-11: 4 sales — Seely Lynn, Hill Stephen J., Lee Gary K. and 1 more2025-08-12: 4 sales — Seely Lynn, Hill Stephen J., Lee Gary K. and 1 more2025-08-21: 4 sales — Seely Lynn, Hill Stephen J., Newton Charles W. and 1 more2025-11-10: 4 sales — Bulis Veronica Sanchez, Lee Gary K., Hill Stephen J. and 1 more2025-12-24: 1 sale — Bulis Veronica Sanchez2025-12-30: 1 sale — Bulis Veronica Sanchez2026-02-10: 4 sales — Bulis Veronica Sanchez, Lee Gary K., Hill Stephen J. and 1 more2026-02-11: 3 sales — Lee Gary K., Hill Stephen J., Seely Lynn2026-03-06: 14 purchases — ARCH Venture Fund IX, L.P., ARCH Venture Fund IX Overage, L.P., ARCH Venture Partners IX Overage, L.P. and 11 more2026-05-11: 4 sales — Bulis Veronica Sanchez, Lee Gary K., Hill Stephen J. and 1 more2026-06-10: 1 sale — Shook David2026-07-16: 1 sale — Innovative Cellular Therapeutics Holdings Ltd2026-07-17: 1 sale — Innovative Cellular Therapeutics Holdings Ltd2026-08-10: 4 sales — Bulis Veronica Sanchez, Lee Gary K., Hill Stephen J. and 1 more2026-08-21: 3 sales — Lee Gary K., Hill Stephen J., Seely Lynn2021-06-212026-08-21
Insider profileRoleDateTransactionSharesPrice
Lee Gary K.Chief Scientific Officer2026-08-21Sale1,457$15.54
Hill Stephen J.Chief Operating Officer2026-08-21Sale989$15.54
Seely LynnPresident and CEO2026-08-21Sale9,589$15.54
Bulis Veronica SanchezVP, Corporate Controller2026-08-10Sale621$14.34
Lee Gary K.Chief Scientific Officer2026-08-10Sale131$14.34
Hill Stephen J.Chief Operating Officer2026-08-10Sale89$14.34
Seely LynnPresident and CEO2026-08-10Sale390$14.34
Innovative Cellular Therapeutics Holdings LtdTen Percent Owner2026-07-17Sale10$13.7
Innovative Cellular Therapeutics Holdings LtdTen Percent Owner2026-07-16Sale10$13.73
Shook DavidChief Medical Officer2026-06-10Sale1,977.0$12.64
Bulis Veronica SanchezVP, Corporate Controller2026-05-11Sale217.0$18.91
Lee Gary K.Chief Scientific Officer2026-05-11Sale130.0$18.92
Hill Stephen J.Chief Operating Officer2026-05-11Sale89.0$18.92
Seely LynnPresident and CEO2026-05-11Sale388.0$18.91
ARCH Venture Fund IX, L.P.TenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Fund IX Overage, L.P.TenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Partners IX Overage, L.P.TenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Partners IX, L.P.TenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Partners IX, LLCTenPercentOwner2026-03-06Purchase488,090.0$25.61
BERNS PAUL LTenPercentOwner2026-03-06Purchase488,090.0$25.61
CRANDELL KEITHTenPercentOwner2026-03-06Purchase488,090.0$25.61
NELSEN ROBERTTenPercentOwner2026-03-06Purchase488,090.0$25.61
BYBEE CLINTONTenPercentOwner2026-03-06Purchase488,090.0$25.61
GILLIS STEVENTenPercentOwner2026-03-06Purchase488,090.0$25.61
Burow KristinaTenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Fund XIII, L.P.TenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Partners XIII, LLCTenPercentOwner2026-03-06Purchase488,090.0$25.61
ARCH Venture Partners XIII, L.P.TenPercentOwner2026-03-06Purchase488,090.0$25.61
Lee Gary K.Chief Scientific Officer2026-02-11Sale1,671.0$23.39
Hill Stephen J.Chief Operating Officer2026-02-11Sale1,236.0$23.39
Seely LynnPresident and CEO2026-02-11Sale7,455.0$23.39
Bulis Veronica SanchezVP, Corporate Controller2026-02-10Sale254.0$23.12
Lee Gary K.Chief Scientific Officer2026-02-10Sale147.0$23.12
Hill Stephen J.Chief Operating Officer2026-02-10Sale109.0$23.12
Seely LynnPresident and CEO2026-02-10Sale438.0$23.12
Bulis Veronica SanchezVP, Corporate Controller2025-12-30Sale936.0$32.32
Bulis Veronica SanchezVP, Corporate Controller2025-12-24Sale1,136.0$38.67
Bulis Veronica SanchezVP, Corporate Controller2025-11-10Sale239.0$16.1
Lee Gary K.Chief Scientific Officer2025-11-10Sale138.0$16.16
Hill Stephen J.Chief Operating Officer2025-11-10Sale95.0$16.12
Seely LynnPresident and CEO2025-11-10Sale412.0$16.11
Seely LynnPresident and CEO2025-08-21Sale7,257.0$10.54
Hill Stephen J.Chief Operating Officer2025-08-21Sale1,004.0$10.54
Newton Charles W.Chief Financial Officer2025-08-21Sale1,453.0$10.54
Lee Gary K.Chief Scientific Officer2025-08-21Sale1,453.0$10.54
Seely LynnPresident and CEO2025-08-12Sale406.0$10.34
Hill Stephen J.Chief Operating Officer2025-08-12Sale94.0$10.34
Lee Gary K.Chief Scientific Officer2025-08-12Sale136.0$10.34
Newton Charles W.Chief Financial Officer2025-08-12Sale136.0$10.34
Seely LynnPresident and CEO2025-08-11Sale391.0$10.53
Hill Stephen J.Chief Operating Officer2025-08-11Sale91.0$10.53
Lee Gary K.Chief Scientific Officer2025-08-11Sale131.0$10.53
Newton Charles W.Chief Financial Officer2025-08-11Sale131.0$10.53
BRAWLEY OTIS WDirector2025-03-31Purchase35,640.0$0.56
Ramachandra SumantDirector2025-03-21Purchase200,000.0$0.58
Newton Charles W.Chief Financial Officer2025-03-17Purchase200,000.0$0.56
Klausner RichardDirector2025-03-14Purchase158,000.0$0.6
Seely LynnPresident and CEO2025-03-14Purchase175,000.0$0.61
Klausner RichardDirector2023-08-15Sale58,020.0$2.28
Klausner RichardDirector2022-09-23Sale11,100.0$6.4
FRIEDMAN CATHYDirector2021-06-21Purchase17,648.0$17.0