Rosenthal Arnon bought ALEC

August 19, 2026 · Form 4 insider transaction

Rosenthal Arnon bought 350,000 shares of Alector, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as gift and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
350,000
Price
$0.00
Total value
N/A
RoleOfficer, Director
SecurityCommon Stock
Transaction codeG: Gift
Transaction dateAugust 19, 2026
Filing dateAugust 21, 2026
Shares owned after1,002,500
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The reported securities are held directly by the Adi Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.

View the original Form 4 on SEC EDGAR