Atkore Inc.

For the period ended Dec 26, 2025. Filed Feb 3, 2026.

About this filing

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.

Dec 26, 2025 · Filed Feb 3, 2026

ATKR$94.96+0.0%Stored close · as of Oct 16, 2026

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Contents

Item 6. Exhibits

101.INS# · XBRL Instance Document (formatted as inline XBRL)
10.1		Cooperation Agreement, dated November 20, 2025, by and among Atkore Inc., Irenic Capital Management LP and certain affiliates of Irenic named therein, incorporated by reference to Exhibit 10.1 to Atkore Inc.’s Current Report on Form 8-K filed on November 21, 2025
31.1#	Certification of Chief Executive Officer Pursuant to Exchange Act Rule 13a - 14, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2#	Certification of Chief Financial Officer Pursuant to Exchange Act Rule 13a - 14, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1#	Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2#	Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.SCH# · XBRL Taxonomy Schema Linkbase Document (formatted as inline XBRL)
101.CAL# · XBRL Taxonomy Calculation Linkbase Document
101.DEF# · XBRL Taxonomy Definition Linkbase Document
101.LAB# · XBRL Taxonomy Labels Linkbase Document
101.PRE# · XBRL Taxonomy Presentation Linkbase Document
104		Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)
# · Filed herewith

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.