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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Mar 24, 2026 | — |
| DEF 14A | Proxy statement | Mar 24, 2026 | May 14, 2026 |
| DEFA14A | Additional proxy material | Mar 27, 2025 | — |
| DEF 14A | Proxy statement | Mar 27, 2025 | May 16, 2025 |
| DEFA14A | Additional proxy material | Mar 28, 2024 | — |
| DEF 14A | Proxy statement | Mar 28, 2024 | May 16, 2024 |
| DEFA14A | Additional proxy material | Mar 27, 2023 | — |
| DEFA14A | Additional proxy material | Mar 24, 2023 | — |
| DEF 14A | Proxy statement | Mar 24, 2023 | — |
| DEFA14A | Additional proxy material | Apr 27, 2022 | — |
| DEFA14A | Additional proxy material | Mar 25, 2022 | — |
| DEF 14A | Proxy statement | Mar 25, 2022 | May 12, 2022 |
| DEFA14A | Additional proxy material | Apr 5, 2021 | — |
| DEF 14A | Proxy statement | Apr 5, 2021 | May 20, 2021 |
| DEFA14A | Additional proxy material | Apr 20, 2020 | — |
| DEFA14A | Additional proxy material | Apr 20, 2020 | — |
| DEFA14A | Additional proxy material | Apr 20, 2020 | — |
| DEFA14A | Additional proxy material | Mar 26, 2020 | — |
| DEF 14A | Proxy statement | Mar 24, 2020 | May 8, 2020 |
| DEFA14A | Additional proxy material | Mar 22, 2019 | — |
| DEFA14A | Additional proxy material | Mar 20, 2019 | — |
| DEF 14A | Proxy statement | Mar 20, 2019 | May 9, 2019 |
| DEF 14A | Proxy statement | Mar 27, 2018 | May 10, 2018 |
| DEF 14A | Proxy statement | Mar 30, 2017 | May 11, 2017 |
| DEF 14A | Proxy statement | Mar 28, 2016 | May 6, 2016 |
| PRE 14A | Preliminary proxy statement | Mar 8, 2016 | May 6, 2016 |
| DEFA14A | Additional proxy material | Apr 21, 2015 | — |
| DEFA14A | Additional proxy material | Apr 14, 2015 | — |
| DEFA14A | Additional proxy material | Apr 14, 2015 | — |
| DEF 14A | Proxy statement | Mar 20, 2015 | May 1, 2015 |
Showing 30 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.