SCHEDULE 13G/A

Atkore Inc

Common Stock, $.01 par value per share · CUSIP: 047649108

Event date: 2025-06-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Gates Capital Management, L.P.

  Shares: 2,628,189.00 · Class: 7.8%

• Gates Capital Management GP, LLC

  Shares: 2,628,189.00 · Class: 7.8%

• Gates Capital Management, Inc.

  Shares: 2,628,189.00 · Class: 7.8%

• Jeffrey L. Gates

  Shares: 2,628,189.00 · Class: 7.8%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.