UNITED STATES ~~SECURITIES AND EXCHANGE COMMISSION~~

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

________________

FORM 8-K

~~CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934~~________________

~~Date~~CURRENT ~~of Report (Date of earliest event reported): January 21, 2026~~REPORT

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

Date of Report (Date of earliest event reported): March 18, 2026

Cornerstone Building Brands, Inc.

(Exact name of registrant as specified in its charter)

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

________________


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

________________

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)


			☐			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 ~~Soliciting~~registered ~~material~~ pursuant to ~~Rule~~Section ~~14a-~~12(b) ~~under~~of the ~~Exchange~~ Act: ~~(17 CFR 240~~None.~~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 Exchange 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 5.02. Departure of Directors or Certain Officers;; Election of Directors;; Appointment of Certain Officers;; Compensatory Arrangements of Certain Officers.

~~Appointment~~On March 18, 2026, the Board of ~~Christian~~Directors ~~Storch~~(the as“Board”) ~~Interim Chief~~of ~~Financial~~Cornerstone ~~Officer~~Building Brands, Inc. (the “Company”) increased the size of the Board from ten to twelve directors, and Carol Flaton and Daniel B. Silvers were each elected by Camelot Return Ultimate, LP, the parent of the Company’s sole stockholder, Camelot Return Intermediate Holdings, LLC, acting by written consent in lieu of a meeting, effective as of March 18, 2026, to fill the vacancies created thereby. Concurrent with their election to the Board, Ms. Flaton and Mr. Silvers were appointed to the Finance Committee of the Board.

~~On January 21, 2026, Cornerstone Building Brands, Inc~~Ms. ~~(the~~Flaton ~~“Company”) appointed Christian Storch to join the Company, effective January 26, 2026,~~ and ~~to serve as the Company’s Interim Chief Financial Officer, effective February 6, 2026~~Mr. As ~~previously disclosed~~Silvers inwill ~~the~~each ~~Company’s~~hold ~~Current~~such ~~Report~~office onuntil ~~Form~~their ~~8-K~~respective ~~filed~~successor onhas ~~January~~been 2,elected ~~2026,~~and ~~Jeffrey~~qualified ~~Lee~~or ~~had~~until ~~informed~~their ~~the~~earlier ~~Company~~respective ofresignation ~~his~~or ~~intention to resign as Chief Financial Officer, effective February 6, 2026~~removal. ~~Mr. Storch will serve in this temporary capacity while the Company conducts its search to identify and appoint a permanent Chief Financial Officer.~~

MrMs. ~~Storch,~~Flaton ~~age~~and ~~66,~~Mr. ~~previously~~Silvers ~~served~~will aseach ~~the~~receive ~~Chief Financial~~a ~~Officer~~base fee of ~~Altra~~$40,000 ~~Industrial~~per ~~Motion~~month ~~Corp.~~pursuant ~~from~~to ~~December~~the ~~2007~~respective toretention ~~January~~agreement ~~2022.~~entered ~~From~~into ~~2001~~with toeach ~~2007,~~of MrMs. ~~Storch~~ ~~served~~Flaton ~~as the Vice President~~ and ~~Chief Financial Officer at Standex International Corporation (“Standex International”).~~ Mr. ~~Storch also~~ ~~served~~Silvers ason ~~Standex~~March ~~International’s~~18, ~~Treasurer~~2026. Each ~~from 2003 to 2006 and as Manager~~ of ~~Corporate~~Ms. ~~Audit~~Flaton and ~~Assurance Services from 1999 to 2003. In addition,~~ Mr. ~~Storch~~ ~~served~~Silvers onwill ~~the~~also ~~Board~~receive ofreimbursement ~~Directors~~ of ~~Standex~~expenses ~~International~~in ~~from~~accordance ~~2004 to 2007. Prior to his tenure~~ with ~~Standex~~the ~~International,~~Company’s ~~Mr. Storch~~standard ~~was~~director acompensation ~~Divisional~~arrangements ~~Financial~~applicable ~~Director~~to ~~and~~non-employee ~~Corporate~~directors ~~Controller~~of atthe ~~Vossloh AG~~Company, ~~a publicly held German transport technology company. Mr. Storch has also previously served~~ as andescribed ~~Audit~~in ~~Manager~~the atCompany’s ~~Deloitte &~~Annual ~~Touche~~Report ~~LLP. Mr. Storch~~on ~~holds~~Form a10-K ~~degree~~for inthe ~~business~~fiscal ~~administration~~year ~~from~~ended ~~the~~December ~~University of Passau~~31, ~~Germany~~2025.

There are no ~~family~~arrangements ~~relationships between Mr. Storch and any director~~ or ~~executive~~understandings ~~officer~~between ofeither ~~the Company~~Ms. ~~Other~~Flaton ~~than as described above, there are no arrangements~~ or ~~understandings between~~ Mr. ~~Storch~~Silvers and any other persons pursuant to which either Ms. Flaton or Mr. ~~Storch~~Silvers was ~~appointed~~elected as a director of the Company’s, ~~Interim~~and ~~Chief~~there ~~Financial~~are ~~Officer. The~~no ~~Company~~transactions isto ~~not~~which ~~aware~~the ofCompany or any ~~related~~of its subsidiaries is a party ~~transactions~~and in which Mreither Ms. ~~Storch~~Flaton or ~~any~~Mr. ofSilvers ~~his immediate family members~~ has ana material interest ~~that~~ ~~would~~subject ~~require~~to disclosure under Item 404(a) of Regulation S-K ~~promulgated under the Securities Exchange Act of 1934, as amended~~.

~~Employment~~Item ~~Agreement~~5.07. ~~with~~Submission ~~Christian~~of ~~Storch~~Matters to a Vote of Security Holders.

InThe ~~connection~~information ~~with~~set ~~Mr.~~forth ~~Storch’s~~in ~~appointment as~~Item ~~Interim Chief Financial Officer, the Company entered into an Interim Chief Financial Officer Agreement (the “Employment Agreement”) with Mr~~5.02 ~~Storch. Under the terms~~ of ~~the~~this ~~Employment~~Current ~~Agreement,~~Report ~~Mr.~~on ~~Storch~~Form ~~will~~8-K ~~receive~~is aincorporated base salary of $500,000 per year and will have a target annual bonus opportunity equal to 90% of his base salary, prorated for partial years of service. The Employment Agreement will be effective as of January 26, 2026 and will continue until terminated by ~~either~~reference ~~party~~in ~~for~~this ~~any~~Item ~~reason upon 30 days’ written notice~~5. ~~The Employment Agreement contains a perpetual confidentiality covenant and customer non-solicitation and non-interference covenants that apply during Mr~~07. ~~Storch’s employment and for one year thereafter.~~

The description of the Employment Agreement set forth above does not purport to be complete and is qualified in its entirety by the full text of the Employment Agreement, a copy of which will be filed with the Company’s Quarterly Report on Form 10-Q for the period ending April 4, 2026.SIGNATURE

~~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.

~~Pursuant~~CORNERSTONE toBUILDING ~~the requirements of the Securities Exchange Act of 1934~~BRANDS, ~~the~~ ~~registrant~~INC. ~~has~~By: ~~duly~~/s/ ~~caused~~Alena ~~this~~S. ~~report~~Brenner toName: beAlena ~~signed~~S. onBrenner ~~its~~Title: ~~behalf~~Executive byVice ~~the~~President, ~~undersigned~~General ~~thereunto~~Counsel ~~duly~~and ~~authorized.~~Corporate Secretary

~~CORNERSTONE BUILDING BRANDS, INC. By~~Date: ~~/s/~~March ~~Alena S. Brenner Name: Alena S. Brenner Title: Executive Vice President~~19, ~~General Counsel and Corporate Secretary~~2026

Date: January 21, 2026

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