InsiderTrades

Form 4 for LYEL Lyell Immunopharma, Inc.

Accepted 2026-08-25 16:06:37 ET · period of report 2026-08-21 · accession 0001327111-26-000006 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-08-25 16:06 2026-08-21 LYEL Seely Lynn Pres, CEO, Dir S - Sale $15.54 -9,589 63.9K -13% -$149.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-21 S D 9,589 $15.54 63,899 D — — (F1) Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.