<SEC-DOCUMENT>0001757770-25-000006-index.html : 20251112
<SEC-HEADER>0001757770-25-000006.hdr.sgml : 20251112
<ACCEPTANCE-DATETIME>20251112161027
ACCESSION NUMBER:		0001757770-25-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251110
FILED AS OF DATE:		20251112
DATE AS OF CHANGE:		20251112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rosenthal Arnon
		CENTRAL INDEX KEY:			0001757770
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38792
		FILM NUMBER:		251472781

	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]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				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>form4-11122025_091119.xml
<TEXT>
Document 1 - file: form4-11122025_091119.html

Document 1 - RAW XML: form4-11122025_091119.xml

</DOCUMENT>
</SEC-DOCUMENT>