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and/or (ii) any written trading arrangement that meets the requirements of a “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K.
−Removed: During the quarter ended June 27, 2025, no activity occurred requiring disclosure under Item 408(a) of Regulation S-K.
−Removed: 10.1# Letter Agreement, between John Pregenzer and the Company, incorporated by reference to Exhibit 10.1 to Atkore Inc's Quarterly Report on Form 10-Q for the quarter ended December 27, 2024
−Removed: 10.2# Amendment Number Four to Credit Agreement, dated as of April 30, 2025, among Atkore International Inc., the subsidiaries of Atkore International Inc., the lenders and other financial institutions party thereto and Wells Fargo Bank, National Association, as swingline lender, issuing lender, administrative agent and collateral agent.
+Added: During the quarter ended December 26, 2025, no activity occurred requiring disclosure under Item 408(a) of Regulation S-K.
+Added: 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.
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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.
−Removed: August 4, 2025 By:
+Added: February 2, 2026 By:
Vice President and Chief Financial Officer (Principal Financial Officer)
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.