Aguirre Jarrad Mattieu sold LYEL
October 12, 2026 · Form 4 insider transaction
Aguirre Jarrad Mattieu sold 422 shares of Lyell Immunopharma, Inc. at $8.63 per share, a transaction worth $3.6K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
422
Price
$8.63
Total value
$3.6K
InsiderAguirre Jarrad Mattieu
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateOctober 12, 2026
Filing dateOctober 13, 2026
Shares owned after19,857
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.; The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $8.54 to $8.63 per share. Upon request from the SEC staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.