Aguirre Jarrad Mattieu bought LYEL
September 10, 2026 · Form 4 insider transaction
Aguirre Jarrad Mattieu bought 47,500 shares of Lyell Immunopharma, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
47,500
Price
$0.00
Total value
N/A
InsiderAguirre Jarrad Mattieu
RoleOfficer
SecurityOption (right to buy)
Transaction codeA: Grant or award
Transaction dateSeptember 10, 2026
Filing dateSeptember 10, 2026
Shares owned after47,500
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
12.5% of the option shares will vest on February 28, 2027, with the remaining option shares to vest in equal monthly installments over the following 42 months, subject to the reporting person providing service through the applicable vesting date.