<SEC-DOCUMENT>0001193125-21-076408-index.html : 20210310
<SEC-HEADER>0001193125-21-076408.hdr.sgml : 20210310
<ACCEPTANCE-DATETIME>20210310171353
ACCESSION NUMBER:		0001193125-21-076408
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210310
DATE AS OF CHANGE:		20210310
GROUP MEMBERS:		ATRIUM WINDOW HOLDINGS, LLC
GROUP MEMBERS:		ATRIUM WINDOW PARENT, LLC
GROUP MEMBERS:		GGC ATRIUM WINDOW HOLDINGS, LLC
GROUP MEMBERS:		GGC BP HOLDINGS, LLC
GROUP MEMBERS:		GGC OPPORTUNITY FUND MANAGEMENT GP, LTD.
GROUP MEMBERS:		GGC OPPORTUNITY FUND MANAGEMENT, L.P.
GROUP MEMBERS:		GGCOF CO-INVEST MANAGEMENT, L.P.
GROUP MEMBERS:		GGCOF CO-INVEST, L.P.
GROUP MEMBERS:		GGCOF EXECUTIVE CO-INVEST, L.P.
GROUP MEMBERS:		GGCOF IRA CO-INVEST, L.P.
GROUP MEMBERS:		GOLDEN GATE CAPITAL OPPORTUNITY FUND, L.P.
GROUP MEMBERS:		GOLDEN GATE CAPITAL OPPORTUNITY FUND-A, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cornerstone Building Brands, Inc.
		CENTRAL INDEX KEY:			0000883902
		STANDARD INDUSTRIAL CLASSIFICATION:	PREFABRICATED METAL BUILDINGS & COMPONENTS [3448]
		IRS NUMBER:				760127701
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-43166
		FILM NUMBER:		21730752

	BUSINESS ADDRESS:	
		STREET 1:		5020 WESTON PARKWAY
		STREET 2:		SUITE 400
		CITY:			CARY
		STATE:			NC
		ZIP:			27513
		BUSINESS PHONE:		(888) 975-9436

	MAIL ADDRESS:	
		STREET 1:		5020 WESTON PARKWAY
		STREET 2:		SUITE 400
		CITY:			CARY
		STATE:			NC
		ZIP:			27513

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NCI BUILDING SYSTEMS INC
		DATE OF NAME CHANGE:	19930328

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL COMPONENTS INCORPORATED
		DATE OF NAME CHANGE:	19600201

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATRIUM INTERMEDIATE HOLDINGS, LLC
		CENTRAL INDEX KEY:			0001759041
		IRS NUMBER:				611761726
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		C/O GOLDEN GATE PRIVATE EQUITY, INC.
		STREET 2:		1 EMBARCADERO CENTER
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		(415) 983-2700

	MAIL ADDRESS:	
		STREET 1:		C/O GOLDEN GATE PRIVATE EQUITY, INC.
		STREET 2:		1 EMBARCADERO CENTER
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d113701dsc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: d113701dsc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>