<SEC-DOCUMENT>0000950123-19-011700-index.html : 20200127
<SEC-HEADER>0000950123-19-011700.hdr.sgml : 20200127
<ACCEPTANCE-DATETIME>20191202171733
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000950123-19-011700
CONFORMED SUBMISSION TYPE:	DRS
PUBLIC DOCUMENT COUNT:		25
FILED AS OF DATE:		20191202
<PUBLIC-REL-DATE>20200127
DATE AS OF CHANGE:		20191202

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alector, Inc.
		CENTRAL INDEX KEY:			0001653087
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				462702363
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DRS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	377-02936
		FILM NUMBER:		191263918

	BUSINESS ADDRESS:	
		STREET 1:		151 OYSTER POINT BLVD., SUITE 300
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		415-231-5660

	MAIL ADDRESS:	
		STREET 1:		151 OYSTER POINT BLVD., SUITE 300
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Alector LLC
		DATE OF NAME CHANGE:	20150915
</SEC-HEADER>
<DOCUMENT>
<TYPE>DRS
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g838337g02g68.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g838337g02g68.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g838337g14g22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g838337g14g22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g838337g14o83.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g838337g14o83.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g838337g15f12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g838337g15f12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g838337g17w57.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g838337g17w57.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g838337g21u52.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g838337g21u52.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g838337g28j20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g838337g28j20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g838337g29t30.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g838337g29t30.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g838337g33c68.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g838337g33c68.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g838337g39b98.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g838337g39b98.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g838337g47g23.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g838337g47g23.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g838337g55e46.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g838337g55e46.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g838337g58a33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g838337g58a33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g838337g59z81.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g838337g59z81.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g838337g65e64.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g838337g65e64.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g838337g72l82.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g838337g72l82.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g838337g74r49.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g838337g74r49.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g838337g77n88.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g838337g77n88.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g838337g77r31.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g838337g77r31.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g838337g78f41.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g838337g78f41.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g838337g84w86.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g838337g84w86.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g838337g94e00.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g838337g94e00.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g838337g96o97.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g838337g96o97.jpg
</DOCUMENT> </SEC-DOCUMENT>