Company facts
- Headquarters
- Harvey, Illinois
- Most recent report
- 8-K, filed Sep 15, 2026
- Incorporated
- Delaware
- Filings on record
- 931 filings
- On EDGAR
- CIK 1666138
- Fiscal year ends
- September
- Filer status
- Large accelerated filer
Financials 8 of 44
News 8 of 139
Prospectuses and Registrations 8 of 21
- S-8 Registration statement for an employee plan Jan 29, 2021
- 424B3 Prospectus supplement for an offering May 18, 2018
- 424B3 Prospectus supplement for an offering May 16, 2018
- 424B3 Prospectus supplement for an offering Feb 16, 2018
- 424B3 Prospectus supplement for an offering Feb 14, 2018
- POS AM Post-effective amendment to a registration Nov 30, 2017
- S-3ASR Automatic shelf registration Jul 3, 2017
- 424B4 Final prospectus for an offering Feb 17, 2017
Proxies 8 of 23
- DEFA14A Extra proxy material Sep 15, 2026
- DEFM14A Sep 9, 2026
- PREM14A Aug 28, 2026
- DEFA14A Extra proxy material Aug 3, 2026
- DEFA14A Extra proxy material Aug 3, 2026
- DEF 14A Proxy statement for a shareholder vote Dec 12, 2025
- DEF 14A Proxy statement for a shareholder vote Dec 13, 2024
- PRE 14A Preliminary proxy statement Dec 3, 2024
Ownership 8 of 662
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
- 4 Insider reported a trade Aug 31, 2026
Other 8 of 42
- SD Conflict minerals disclosure May 29, 2026
- UPLOAD Comment letter from SEC staff Mar 31, 2026
- CORRESP Reply to SEC staff Mar 23, 2026
- UPLOAD Comment letter from SEC staff Mar 10, 2026
- SD Conflict minerals disclosure May 30, 2025
- SD Conflict minerals disclosure May 30, 2024
- SD Conflict minerals disclosure May 30, 2023
- SD Conflict minerals disclosure May 27, 2022
Everything here comes from Atkore Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.