Form4insider filings, from the source

Insider · CIK 0001907345

Gary K. Lee

Files at: LYEL. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $25k · 2net −$25k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 21, 2026 SForm 4 →Aug 25, 4:03 pm EDTLyell Immunopharma, Inc.LYEL1,457$15.54$22,64216,220−8.24%
Aug 10, 2026 SForm 4 →Aug 11, 4:20 pm EDTLyell Immunopharma, Inc.LYEL131$14.34$1,87917,677−0.74%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.