Ati Inc SEC filings ATI
Ati Inc has 1,005 filings in SEC EDGAR's recent list, going back to May 5, 2014. Its latest annual report, Form ARS, was filed on Mar 24, 2026 for the period ended Dec 28, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 27, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 28.
| Form | Description | Filed | Period |
|---|---|---|---|
| 11-K | Employee savings plan report | Jun 17, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 17, 2026 | Dec 31, 2025 |
| UPLOAD | Letter from the SEC | Jun 24, 2025 | — |
| CORRESP | Letter to the SEC | Jun 20, 2025 | — |
| 11-K | Employee savings plan report | Jun 13, 2025 | Dec 31, 2024 |
| 11-K | Employee savings plan report | Jun 13, 2025 | Dec 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| UPLOAD | Letter from the SEC | May 7, 2025 | — |
| CORRESP | Letter to the SEC | Apr 22, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 14, 2025 | — |
| 11-K | Employee savings plan report | Jun 7, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Jun 7, 2024 | Dec 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 11-K | Employee savings plan report | Jun 9, 2023 | Dec 31, 2022 |
| 11-K | Employee savings plan report | Jun 9, 2023 | Dec 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2023 | — |
| 11-K | Employee savings plan report | Jun 9, 2022 | Dec 31, 2021 |
| 11-K | Employee savings plan report | Jun 9, 2022 | Dec 31, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| UPLOAD | Letter from the SEC | Apr 11, 2022 | — |
| CORRESP | Letter to the SEC | Mar 30, 2022 | — |
| UPLOAD | Letter from the SEC | Mar 23, 2022 | — |
| 305B2 | Filing | Sep 8, 2021 | — |
| 11-K | Employee savings plan report | Jun 10, 2021 | Dec 31, 2020 |
| 11-K | Employee savings plan report | Jun 10, 2021 | Dec 31, 2020 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | Oct 9, 2020 | — |
| 11-K | Employee savings plan report | Jun 5, 2020 | Dec 31, 2019 |
| 11-K | Employee savings plan report | Jun 5, 2020 | Dec 31, 2019 |
| 11-K | Employee savings plan report | Jun 7, 2019 | Dec 31, 2018 |
| 11-K | Employee savings plan report | Jun 7, 2019 | Dec 31, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| UPLOAD | Letter from the SEC | Jun 14, 2018 | — |
| 11-K | Employee savings plan report | Jun 8, 2018 | Dec 31, 2017 |
| 11-K | Employee savings plan report | Jun 8, 2018 | Dec 31, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2018 | — |
| CORRESP | Letter to the SEC | May 22, 2018 | — |
| UPLOAD | Letter from the SEC | May 14, 2018 | — |
| 11-K | Employee savings plan report | Dec 19, 2017 | Jun 30, 2017 |
| 11-K | Employee savings plan report | Jun 8, 2017 | Dec 31, 2016 |
| 11-K | Employee savings plan report | Jun 8, 2017 | Dec 31, 2016 |
| 11-K | Employee savings plan report | Jun 8, 2017 | Dec 31, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| 11-K | Employee savings plan report | Jan 6, 2017 | Aug 31, 2016 |
| 11-K | Employee savings plan report | Jan 6, 2017 | Aug 31, 2016 |
| 11-K | Employee savings plan report | Jan 6, 2017 | Aug 31, 2016 |
| 11-K | Employee savings plan report | Jun 10, 2016 | Dec 31, 2015 |
| 11-K | Employee savings plan report | Jun 10, 2016 | Dec 31, 2015 |
| 11-K | Employee savings plan report | Jun 10, 2016 | Dec 31, 2015 |
| 11-K | Employee savings plan report | Jun 10, 2016 | Dec 31, 2015 |
| 11-K | Employee savings plan report | Jun 10, 2016 | Dec 31, 2015 |
| 11-K | Employee savings plan report | Jun 10, 2016 | Dec 31, 2015 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 11-K | Employee savings plan report | May 26, 2016 | Nov 30, 2015 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| 11-K | Employee savings plan report | Jun 11, 2015 | Dec 31, 2014 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2015 | — |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| 11-K | Employee savings plan report | Jun 12, 2014 | Dec 31, 2013 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2014 | — |
Showing 70 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Steel Pipe & Tubes (SIC 3317)
- Listed as
- ATI (NYSE)
- Fiscal year ends
- December 28
- Incorporated in
- DE
- Headquarters
- Dallas, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1018963
- Former names
- ALLEGHENY TECHNOLOGIES INC (until Jun 22, 2022); ALLEGHENY TELEDYNE INC (until Aug 25, 1999)
Other Steel Pipe & Tubes companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.