Lyell Immunopharma, Inc. (LYEL) Insider Trading -- Recent Executive & Director Transactions

25 insiders reported 61 Form 4 transactions for Lyell Immunopharma, Inc. (LYEL) over the past 18 months (most recent 2026-07-01). Recent activity: Innovative Cellular Therapeutics Holdings Ltd (Insider) Sell 76,000 shares, Innovative Cellular Therapeutics Holdings Ltd (Insider) Sell 66,500 shares, Shook David (Chief Medical Officer) Sell 1,977 shares, ARCH Venture Fund IX, L.P. (Insider) Buy 488,090 shares, CRANDELL KEITH (Insider) Buy 488,090 shares. Source: SEC Form 4.

DateInsiderTitleTypeSharesValue
2026-07-01Innovative Cellular Therapeutics Holdings LtdInsiderSell76,000$0
2026-06-18Innovative Cellular Therapeutics Holdings LtdInsiderSell66,500$0
2026-06-11Shook DavidChief Medical OfficerSell1,977$24,989
2026-03-09ARCH Venture Fund IX, L.P.InsiderBuy488,090$12.5M
2026-03-09CRANDELL KEITHInsiderBuy488,090$12.5M
2026-03-09NELSEN ROBERTInsiderBuy488,090$12.5M
2026-03-09BYBEE CLINTONInsiderBuy488,090$12.5M
2026-03-09BERNS PAUL LInsiderBuy488,090$12.5M
2026-03-09Burow KristinaInsiderBuy488,090$12.5M
2026-03-09ARCH Venture Fund XIII, L.P.InsiderBuy488,090$12.5M
2026-03-09ARCH Venture Partners XIII, LLCInsiderBuy488,090$12.5M
2026-03-09ARCH Venture Partners XIII, L.P.InsiderBuy488,090$12.5M
2026-03-09GILLIS STEVENInsiderBuy488,090$12.5M
2026-03-09ARCH Venture Fund IX Overage, L.P.InsiderBuy488,090$12.5M
2026-03-09ARCH Venture Partners IX Overage, L.P.InsiderBuy488,090$12.5M
2026-03-09ARCH Venture Partners IX, L.P.InsiderBuy488,090$12.5M
2026-03-09ARCH Venture Partners IX, LLCInsiderBuy488,090$12.5M
2026-02-12Hill Stephen J.Chief Operating OfficerSell1,236$28,910
2026-02-12Lee Gary K.Chief Scientific OfficerSell1,671$39,085
2026-02-12Seely LynnPresident and CEOSell7,455$174,372
2026-02-11Lee Gary K.Chief Scientific OfficerBuy4,000$0
2026-02-11Lee Gary K.Chief Scientific OfficerSell147$3,399
2026-02-11Hill Stephen J.Chief Operating OfficerBuy4,000$0
2026-02-11Hill Stephen J.Chief Operating OfficerSell109$2,520
2026-02-11Seely LynnPresident and CEOBuy20,000$0

Source: SEC Form 4 filings · as of 2026-07-01