0001209191-23-020421.txt : 20230321 0001209191-23-020421.hdr.sgml : 20230321 20230321203509 ACCESSION NUMBER: 0001209191-23-020421 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230303 FILED AS OF DATE: 20230321 DATE AS OF CHANGE: 20230321 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Rosenthal Arnon CENTRAL INDEX KEY: 0001757770 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 23751073 MAIL ADDRESS: STREET 1: C/O ALECTOR, INC. STREET 2: 151 OYSTER POINT BLVD., #300 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Alector, Inc. CENTRAL INDEX KEY: 0001653087 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 822933343 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 131 OYSTER POINT BLVD., SUITE 600 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 415-231-5660 MAIL ADDRESS: STREET 1: 131 OYSTER POINT BLVD., SUITE 600 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 FORMER COMPANY: FORMER CONFORMED NAME: Alector LLC DATE OF NAME CHANGE: 20150915 4 1 doc4.xml FORM 4 SUBMISSION X0407 4 2023-03-03 0 0001653087 Alector, Inc. ALEC 0001757770 Rosenthal Arnon C/O ALECTOR, INC. 131 OYSTER POINT BLVD, SUITE 600 SOUTH SAN FRANCISCO CA 94080 1 1 0 0 Chief Executive Officer 0 Common Stock 2023-03-03 4 A 0 42990 0.00 A 1671536 D Common Stock 2023-03-17 4 S 0 15186 6.2181 D 1656350 D Common Stock 1972875 I See footnote Common Stock 652500 I See footnote Common Stock 652500 I See footnote Common Stock 652500 I See footnote The reported shares are represented by restricted stock units, or RSUs, all of which were fully vested on the grant date. The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of RSUs. The reported securities are held directly by The Rosenthal Family Revocable Trust Dated November 4, 1994, as restated on June 9, 1999, for which the Reporting Person serves as trustee. The reported securities are held directly by the Adi Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee. The reported securities are held directly by the Noam Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee. The reported securities are held directly by the Shani Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee. /s/ Marc Grasso, by power of attorney 2023-03-21