0000950170-23-046146.txt : 20230901 0000950170-23-046146.hdr.sgml : 20230901 20230901213526 ACCESSION NUMBER: 0000950170-23-046146 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230901 DATE AS OF CHANGE: 20230901 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38792 FILM NUMBER: 231233915 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Romano Gary CENTRAL INDEX KEY: 0001799779 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: TWO COMMERCE SQUARE, 2001 MARKET STREET STREET 2: 28TH FLOOR CITY: PHILADELPHIA STATE: PA ZIP: 19103 144 1 primary_doc.xml 144 0001799779 XXXXXXXX LIVE 0001653087 Alector, Inc. 001-38792 131 Oyster Point Blvd. Suite 600 South San Francisco CA 94080 (415)-231-5660 Gary Romano Officer Common Stock E*TRADE Financial Corporation

3 Edison Drive Alpharetta GA 30005

2567 14298 83830300 09/05/2023 Nasdaq Common Stock 09/01/2023 Vesting of Restricted Stock Units Issuer N 9358 09/01/2023 (1) N Gary Romano

C/O Alector, Inc. 131 Oyster Point Blvd., Suite 600 South San Francisco CA 94080

Common Stock 06/02/2023 2617 18067 (1) The securities to be sold were received upon the settlement of vested restricted stock units. 09/01/2023 /s/ Jordan Hochstrasser, by power of attorney