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SEC Form 4 history

LYELL IMMUNOPHARMA I (LYEL) insider trades

LYELL IMMUNOPHARMA I (LYEL) insider trading activity (SEC Form 4). Over the trailing 90 days, LYEL insiders filed 2 purchases totalling $50.0M and 8 sales totalling $208K — net BUYING of $49.8M. Most recent filing: Nov 5, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
2
$50.0M
Sells (90d)
8
$208K
Net (90d)
+$49.8M
net buying
Most recent
Nov 5, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Nov 5, 2026Arch Venture Partners Ix, LLC10%P Purchase—$10.77$25.0Mfiling
Nov 5, 2026Arch Venture Fund Xiii, L.P.10%P Purchase—$10.77$25.0Mfiling
Oct 13, 2026Aguirre Jarrad MattieuChief Medical OfficerS Sale—$8.63$4Kfiling
Aug 25, 2026Hill Stephen J.COOS Sale—$15.54$15Kfiling
Aug 25, 2026Seely LynnPres, CEOS Sale—$15.54$149Kfiling
Aug 25, 2026Lee Gary K.Chief Scientific OfficerS Sale—$15.54$23Kfiling
Aug 11, 2026Bulis Veronica SanchezVP, Corporate ControllerS Sale—$14.34$9Kfiling
Aug 11, 2026Lee Gary K.Chief Scientific OfficerS Sale—$14.34$2Kfiling
Aug 11, 2026Hill Stephen J.COOS Sale—$14.34$1Kfiling
Aug 11, 2026Seely LynnPres, CEOS Sale—$14.34$6Kfiling
Jul 20, 2026Innovative Cellular Therapeutics Holdings Ltd10%S Sale—$13.70$137filing
Jul 17, 2026Innovative Cellular Therapeutics Holdings Ltd10%S Sale—$13.73$137filing
Jun 11, 2026Shook DavidChief Medical OfficerS Sale—$12.64$25Kfiling
Jun 15, 2026Seely LynnPres, CEOS Sale—$18.91$7Kfiling
Jun 15, 2026Hill Stephen J.COOS Sale—$18.92$2Kfiling
Jun 15, 2026Lee Gary K.Chief Scientific OfficerS Sale—$18.92$2Kfiling
Jun 15, 2026Bulis Veronica SanchezVP, Corporate ControllerS Sale—$18.91$4Kfiling