2 unchanged sentences
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 March 27, 2026, no activity occurred requiring disclosure under Item 408(a) of Regulation S-K.
+Added: Mark Lamps , President, Safety & Infrastructure , initiated a new Rule 10b5-1 trading arrangement on May 11, 2026.
+Added: This trading arrangement has a start date of August 10, 2026 and a plan end date of August 15, 2027 .
+Added: Under the trading arrangement, 1,200 shares are available to be sold by the broker on certain specified dates.
+Added: Dan Kelly , Vice President, General Counsel and Corporate Secretary , initiated a new Rule 10b5-1 trading arrangement on May 11, 2026.
+Added: This trading arrangement has a start date of August 10, 2026 and a plan end date of November 28, 2027 .
+Added: Under the trading arrangement, 18,988 shares are available to be sold by the broker on certain specified dates.
+Added: 3.1# Fourth Amended and Restated Certificate of Incorporation of Atkore Inc.
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.
13 unchanged sentences
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: May 5, 2026 By:
+Added: August 3, 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.