Sara Kenkare-Mitra - Dec 3, 2025 Form 4 Insider Report for Alector, Inc. (ALEC)

Signature
/s/ Grace Wong-Sarad, by power of attorney
Stock symbol
ALEC
Transactions as of
Dec 3, 2025
Transactions value $
-$46,673
Form type
4
Date filed
12/3/2025, 09:05 PM
Previous filing
Sep 4, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kenkare-Mitra Sara President and Head of R&D C/O ALECTOR, INC., 131 OYSTER POINT BLVD., SUITE 600, SOUTH SAN FRANCISCO /s/ Grace Wong-Sarad, by power of attorney 2025-12-03 0001895592

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Sale -$46.7K -41.7K -7.67% $1.12 502K Dec 3, 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.
F2 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.095 to $1.14. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.