<SEC-DOCUMENT>0000950170-25-041138-index.html : 20250318
<SEC-HEADER>0000950170-25-041138.hdr.sgml : 20250318
<ACCEPTANCE-DATETIME>20250318160413
ACCESSION NUMBER:		0000950170-25-041138
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250301
FILED AS OF DATE:		20250318
DATE AS OF CHANGE:		20250318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Steinke Craig Arthur
		CENTRAL INDEX KEY:			0001366433
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40620
		FILM NUMBER:		25748175

	MAIL ADDRESS:	
		STREET 1:		19 NORFIELD ROAD
		CITY:			WESTON
		STATE:			CT
		ZIP:			06883

ISSUER:		

	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
		IRS NUMBER:				522084569
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	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>4/A
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4/A
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>