Rosenthal Arnon bought ALEC
October 14, 2026 · Form 4 insider transaction
Rosenthal Arnon bought 978,750 shares of Alector, 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 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
978,750
Price
$0.00
Total value
N/A
InsiderRosenthal Arnon
RoleOfficer, Director
CompanyAlector, Inc. (ALEC)
SecurityEmployee Stock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateOctober 14, 2026
Filing dateOctober 15, 2026
Shares owned after978,750
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares subject to the option vest in 48 equal monthly installments beginning on November 13, 2026.