<SEC-DOCUMENT>0000950170-25-054239-index.html : 20250415
<SEC-HEADER>0000950170-25-054239.hdr.sgml : 20250415
<ACCEPTANCE-DATETIME>20250415160603
ACCESSION NUMBER:		0000950170-25-054239
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20250415
DATE AS OF CHANGE:		20250415

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Builders FirstSource, Inc.
		CENTRAL INDEX KEY:			0001316835
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-LUMBER & OTHER BUILDING MATERIALS DEALERS [5211]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				522084569
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40620
		FILM NUMBER:		25839531

	BUSINESS ADDRESS:	
		STREET 1:		6031 CONNECTION DR., STE. 400
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039
		BUSINESS PHONE:		(214) 880-3500

	MAIL ADDRESS:	
		STREET 1:		6031 CONNECTION DR., STE. 400
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>bldr_2025_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: bldr_2025_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img140682603_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img140682603_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img140682603_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img140682603_1.jpg

</DOCUMENT>
</SEC-DOCUMENT>