Form 8-K GIBRALTAR INDUSTRIES, For: May 07

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May 7, 2026 7:45 AM EDT

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

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

Date of Report (Date of earliest event reported) May 7, 2026 (May 7, 2026)

GIBRALTAR INDUSTRIES, INC.

(Exact name of registrant as specified in its charter)

Delaware

000-22462

16-1445150

(State or other jurisdiction of
incorporation )

(Commission File Number)

(IRS Employer Identification No.)

3556 Lake Shore Road

P.O. Box 2028

Buffalo, New York 14219-0228

(Address of principal executive offices) (Zip Code)

(716) 826-6500

(Registrant’s telephone number, including area code)

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:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, $0.01 par value per share

ROCK

The NASDAQ Stock Market LLC

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 2.02 Results of Operations and Financial Condition

The following information is furnished pursuant to Item 2.02:

On May 7, 2026, Gibraltar Industries, Inc. (the “Company”) issued a news release and will hold a conference call regarding financial results for the three months ended March 31, 2026. A copy of the news release (the “Release”) is furnished herewith as Exhibit 99.1 and is incorporated herein by reference.

The information in this Form 8-K under the caption Item 2.02, including the Release, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to liabilities under that Section and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended (the “Securities Act”) or the Exchange Act, unless the Company specifically incorporates it by reference in a document filed under the Securities Act or the Exchange Act.

Item 9.01 Financial Statements and Exhibits

(a)-(c) Not Applicable

(d) Exhibits:


Exhibit No.						Description
99.1						Earnings Release issued by Gibraltar Industries, Inc. on Ma y 7, 2026
104						Cover Page Interactive Data File (embedded with the Inline XBRL document)

SIGNATURES

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 hereunto duly authorized.

GIBRALTAR INDUSTRIES, INC.

Date:

May 7, 2026

By:

/s/ Joseph A. Lovechio

Joseph A. Lovechio

Vice President and Chief Financial Officer

ATTACHMENTS / EXHIBITS

EX-99.1

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XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT