<SEC-DOCUMENT>0000950170-23-068618-index.html : 20231206
<SEC-HEADER>0000950170-23-068618.hdr.sgml : 20231206
<ACCEPTANCE-DATETIME>20231206183014
ACCESSION NUMBER:		0000950170-23-068618
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231204
FILED AS OF DATE:		20231206
DATE AS OF CHANGE:		20231206

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Romano Gary
		CENTRAL INDEX KEY:			0001799779

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38792
		FILM NUMBER:		231470722

	MAIL ADDRESS:	
		STREET 1:		TWO COMMERCE SQUARE, 2001 MARKET STREET
		STREET 2:		28TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>