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 |
|---|---|---|---|
| ARS | Annual report to shareholders | Mar 24, 2026 | Dec 28, 2025 |
| 10-K | Annual report | Feb 20, 2026 | Dec 28, 2025 |
| ARS | Annual report to shareholders | Mar 27, 2025 | Dec 29, 2024 |
| 10-K | Annual report | Feb 21, 2025 | Dec 29, 2024 |
| ARS | Annual report to shareholders | Mar 28, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 23, 2024 | Dec 31, 2023 |
| ARS | Annual report to shareholders | Mar 24, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 24, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 25, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Feb 26, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Feb 25, 2020 | Dec 31, 2019 |
| 10-K | Annual report | Feb 28, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Feb 20, 2018 | Dec 31, 2017 |
| 10-K | Annual report | Feb 24, 2017 | Dec 31, 2016 |
| 10-K | Annual report | Feb 26, 2016 | Dec 31, 2015 |
| ARS | Annual report to shareholders | Mar 23, 2015 | Dec 31, 2014 |
| 10-K | Annual report | Feb 26, 2015 | Dec 31, 2014 |
Showing 17 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.