UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 16, 2024

Cornerstone Building Brands, Inc.

(Exact name of registrant as specified in its charter)

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Delaware	1-14315	76-0127701
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification Number)

5020 Weston Parkway

Suite 400

Cary

27513

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (866) 419-0042

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:


			☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

			☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

			☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

			☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: None.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. £

Item 8.01. Other Events

On July 16, 2024, Cornerstone Building Brands, Inc. (the “Company”) issued a press release announcing that it had completed the acquisition of Mueller Supply Company, Inc., a leading manufacturer of residential metal roofing and components and steel buildings in Texas and the Southwest.

A copy of the Company’s press release announcing the transaction is furnished as Exhibit 99.1 to this Form 8-K.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits


Exhibit No.						Description
99.1						Press Release of Cornerstone Building Brands, Inc., dated July 1 6 , 2024.
104						Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			CORNERSTONE BUILDING BRANDS, INC.

			By:			/s/ Alena S. Brenner
						Name: Alena S. Brenner
						Title: Executive Vice President, General Counsel and Corporate Secretary

Date: July 16, 2024

Cornerstone Building Brands, Inc. 8-K