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GIBRALTAR INDUSTRIES, INC.

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

ROCK$33.99+4.7%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

2.1Securities Purchase Agreement, by and among Gibraltar Industries, Inc., Arundel Square Garden LLC and Barnsbury Estate LLC, dated as of November 16, 2025 (incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K filed November 17, 2025) (1)
3.1Certificate of Incorporation of Gibraltar Industries, Inc., as amended by: (i) Certificate of Amendment of Certificate of Incorporation of Gibraltar Industries, Inc. filed on October 27, 2004, (ii) Certificate of Change of Registered Agent and Registered Office of Gibraltar Industries, Inc. filed on May 11, 2005, (iii) Certificate of Amendment of Certificate of Incorporation of Gibraltar Industries, Inc. filed on May 22, 2012, (iv) Certificate of Amendment of Certificate of Incorporation of Gibraltar Industries, Inc. filed on May 11, 2015, (v) Certificate of Change of Registered Agent and/or Registered Office filed on January 10, 2019, (vi) Certificate of Amendment of Certificate of Incorporation of Gibraltar Industries, Inc. filed on May 6, 2021 (incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed August 3, 2021), (vii) Certificate of Amendment to the Certificate of Incorporation of Gibraltar Industries, Inc. filed on May 3, 2023 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed May 8, 2023), and (viii) Certificate of Amendment of the Certificate of Incorporation of Gibraltar Industries, Inc. filed on May 1, 2025 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed May 1, 2025)
3.2Second Amended and Restated By-Laws of Gibraltar Industries, Inc., effective as of December 7, 2022 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K/A filed December 9, 2022)
10.1Securities Purchase Agreement dated October 14, 2026 (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed October 15, 2026) (1)
31.1*Certification of Chairman of the Board, President and Chief Executive Officer pursuant to Section 302 of the Sarbanes–Oxley Act of 2002.
31.2*Certification of Vice President and Chief Financial Officer pursuant to Section 302 of the Sarbanes–Oxley Act of 2002.
32.1*^Certification of the Chairman of the Board, President and Chief Executive Officer pursuant to Title 18, United States Code, Section 1350, as adopted pursuant to Section 906 of the Sarbanes–Oxley Act of 2002.
32.2*^Certification of the Vice President and Chief Financial Officer pursuant to Title 18, United States Code, Section 1350, as adopted pursuant to Section 906 of the Sarbanes–Oxley Act of 2002.
101.INS*Inline XBRL Instance Document
101.SCH*Inline XBRL Taxonomy Extension Schema Document
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document
104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
(1)Schedules (or similar attachments) have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The Company hereby undertakes to furnish supplemental copies of any of the omitted schedules upon request by the U.S. Securities and Exchange Commission; provided, that the Company may request confidential treatment pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended, for any schedules so furnished.
*Submitted electronically with this Quarterly Report on Form 10-Q.
^Documents are furnished not filed herewith.
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