Neil Lindsay Berkley - 10 Nov 2025 Form 4 Insider Report for Alector, Inc. (ALEC)

Signature
Grace Wong-Sarad, by power of attorney
Issuer symbol
ALEC
Transactions as of
10 Nov 2025
Net transactions value
$0
Form type
4
Filing time
12 Nov 2025, 16:17:18 UTC
Previous filing
04 Sep 2025
Next filing
03 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Berkley Neil Lindsay Chief Bus Ofcr & Interim CFO C/O ALECTOR, INC., 131 OYSTER POINT BLVD, SUITE 600, SOUTH SAN FRANCISCO Grace Wong-Sarad, by power of attorney 12 Nov 2025 0002075298

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Award $0 +65,000 +19% $0.000000 411,570 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 +195,000 $0.000000 195,000 10 Nov 2025 Common Stock 195,000 $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.