Grace Wong-Sarad - 10 Nov 2025 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
Principal Accounting Officer
Signature
/s/ Grace Wong-Sarad
Issuer symbol
ALEC
Transactions as of
10 Nov 2025
Net transactions value
$0
Form type
4
Filing time
12 Nov 2025, 16:19:25 UTC
Previous filing
04 Sep 2025
Next filing
03 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wong-Sarad Grace Principal Accounting Officer C/O ALECTOR, INC., 131 OYSTER POINT BLVD., SUITE 600, SOUTH SAN FRANCISCO /s/ Grace Wong-Sarad 12 Nov 2025 0002074667

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Award $0 +32,343 +31% $0.000000 135,791 10 Nov 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ALEC Employee Stock Option (right to buy) Award $0 +48,535 $0.000000 48,535 10 Nov 2025 Common Stock 48,535 $1.31 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on December 1, 2025.
F2 Shares subject to the option vest in 48 equal monthly installments beginning on December 10, 2025.