Company facts
- Headquarters
- Harvey, Illinois
- Most recent report
- 10-Q, filed Aug 4, 2026
- Incorporated
- Delaware
- Filings on record
- 908 filings
- On EDGAR
- CIK 1666138
- Fiscal year ends
- September
- Filer status
- Large accelerated filer
Financials 8 of 44
News 8 of 138
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 20
- 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
- DEF 14A Proxy statement for a shareholder vote Dec 14, 2023
- DEFA14A Extra proxy material Dec 28, 2022
- DEFA14A Extra proxy material Dec 13, 2022
Ownership 8 of 646
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 14, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 14, 2026
- 4 Insider reported a trade Aug 10, 2026
- 144 Notice of a proposed sale of restricted stock Aug 10, 2026
- 4 Insider reported a trade Jun 2, 2026
- 4 Insider reported a trade Jun 2, 2026
- 4 Insider reported a trade Jun 2, 2026
- 4 Insider reported a trade Jun 2, 2026
Other 8 of 39
- SD Conflict minerals disclosure May 29, 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
- SD Conflict minerals disclosure May 26, 2021
- SD Conflict minerals disclosure May 18, 2020
- SD Conflict minerals disclosure May 22, 2019
Everything here comes from Atkore Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.