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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jun 8, 2026 | Jun 8, 2026 |
| 8-K |
Current report
Other events
|
Jun 3, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Other events
|
Jun 3, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2026 | May 14, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Other events
|
Feb 19, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 8, 2025 | Dec 4, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 18, 2025 | Nov 18, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2025 | Oct 28, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 25, 2025 | Sep 19, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 10, 2025 | Sep 9, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 20, 2025 | Jun 13, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 21, 2025 | May 15, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2024 | Oct 29, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2024 | May 16, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2024 | Apr 30, 2024 |
| 8-K |
Current report
Other events
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 7, 2024 | Mar 7, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 23, 2024 | Feb 23, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2024 | Feb 1, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 19, 2024 | Jan 19, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 10, 2024 | Jan 4, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 29, 2023 | Nov 29, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Other events
|
Oct 18, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Aug 11, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Other events
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Other events
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 6, 2023 | Jun 6, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2023 | May 11, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 2, 2023 | Mar 1, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 2, 2023 | Feb 2, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
Oct 14, 2022 | Sep 22, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 22, 2022 | Sep 22, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 9, 2022 | Sep 9, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Officer or director change
|
Jul 8, 2022 | Jul 8, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Jun 22, 2022 | Jun 22, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2022 | May 12, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| 8-K |
Current report
Other events
|
Mar 9, 2022 | Mar 9, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 3, 2022 | Mar 3, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 2, 2022 | Feb 2, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Officer or director change
|
Oct 21, 2021 | Oct 21, 2021 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Sep 14, 2021 | Sep 9, 2021 |
| 8-K |
Current report
Other events
|
Sep 10, 2021 | Sep 9, 2021 |
| 8-K |
Current report
Other events
|
Sep 8, 2021 | Sep 8, 2021 |
| 8-K |
Current report
Other events
|
Aug 16, 2021 | Aug 16, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Other events
|
Jul 6, 2021 | Jul 6, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 21, 2021 | May 20, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2021 | Apr 29, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 2, 2021 | Mar 2, 2021 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2021 | Jan 28, 2021 |
| 8-K |
Current report
Exit or restructuring costs, Impairment, Officer or director change, Regulation FD disclosure
|
Dec 4, 2020 | Dec 2, 2020 |
| 8-K |
Current report
Officer or director change
|
Nov 24, 2020 | Nov 24, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2020 | Aug 4, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jun 22, 2020 | Jun 22, 2020 |
| 8-K |
Current report
Other events
|
Jun 18, 2020 | Jun 17, 2020 |
| 8-K |
Current report
Other events
|
Jun 17, 2020 | Jun 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 16, 2020 | Jun 16, 2020 |
| 8-K |
Current report
Other events
|
May 22, 2020 | May 22, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 12, 2020 | May 8, 2020 |
| 8-K |
Current report
Results of operations
|
May 5, 2020 | May 5, 2020 |
| 8-K |
Current report
Officer or director change
|
Apr 21, 2020 | Apr 21, 2020 |
| 8-K |
Current report
Other events
|
Mar 17, 2020 | Mar 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 5, 2020 | Feb 4, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2020 | Feb 4, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2019 | Dec 18, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2019 | Dec 4, 2019 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Nov 22, 2019 | Nov 19, 2019 |
| 8-K |
Current report
Other events
|
Nov 20, 2019 | Nov 19, 2019 |
| 8-K |
Current report
Other events
|
Nov 19, 2019 | Nov 19, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2019 | Oct 31, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 3, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Aug 6, 2019 | Aug 6, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 23, 2019 | Jul 23, 2019 |
| 8-K |
Current report
Other events
|
Jul 22, 2019 | Jul 22, 2019 |
| 8-K |
Current report
Other events
|
Jul 18, 2019 | Jul 18, 2019 |
| 8-K |
Current report
Other events
|
Jun 4, 2019 | Jun 4, 2019 |
| 8-K |
Current report
Other events
|
Jun 3, 2019 | Jun 3, 2019 |
| 8-K |
Current report
Officer or director change
|
May 31, 2019 | May 31, 2019 |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 10, 2019 | May 10, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 24, 2019 | Apr 24, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 23, 2019 | Apr 23, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 11, 2019 | Apr 11, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 8, 2019 | Apr 8, 2019 |
| 8-K |
Current report
Other events
|
Apr 4, 2019 | Apr 4, 2019 |
| 8-K |
Current report
Other events
|
Mar 12, 2019 | Mar 12, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 28, 2019 | Feb 28, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 22, 2019 | Jan 22, 2019 |
| 8-K |
Current report
Officer or director change
|
Jan 11, 2019 | Jan 11, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2018 | Oct 23, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 18, 2018 | Oct 18, 2018 |
| 8-K |
Current report
Officer or director change
|
Aug 14, 2018 | Aug 14, 2018 |
| 8-K |
Current report
Results of operations
|
Jul 24, 2018 | Jul 24, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2018 | May 11, 2018 |
| 8-K |
Current report
Results of operations
|
Apr 24, 2018 | Apr 24, 2018 |
| 8-K |
Current report
Officer or director change
|
Feb 26, 2018 | Feb 20, 2018 |
| 8-K |
Current report
Results of operations
|
Jan 23, 2018 | Jan 23, 2018 |
| 8-K |
Current report
Other events
|
Nov 9, 2017 | Nov 7, 2017 |
| 8-K |
Current report
Other events
|
Nov 8, 2017 | Nov 7, 2017 |
| 8-K |
Current report
Other events
|
Nov 7, 2017 | Nov 7, 2017 |
| 8-K |
Current report
Other events
|
Nov 2, 2017 | Nov 2, 2017 |
| 8-K |
Current report
Other events
|
Oct 27, 2017 | Oct 27, 2017 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2017 | Oct 24, 2017 |
| 8-K |
Current report
Results of operations
|
Oct 12, 2017 | Oct 12, 2017 |
| 8-K |
Current report
Results of operations
|
Jul 25, 2017 | Jul 25, 2017 |
| 8-K |
Current report
Results of operations
|
Jun 29, 2017 | Jun 29, 2017 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 27, 2017 | Jun 21, 2017 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 15, 2017 | May 15, 2017 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2017 | Apr 25, 2017 |
| 8-K |
Current report
Results of operations
|
Jan 24, 2017 | Jan 24, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 1, 2016 | Dec 1, 2016 |
| 8-K |
Current report
Exit or restructuring costs
|
Oct 31, 2016 | Oct 31, 2016 |
| 8-K |
Current report
Results of operations
|
Oct 25, 2016 | Oct 25, 2016 |
| 8-K |
Current report
Exit or restructuring costs, Impairment
|
Aug 24, 2016 | Aug 24, 2016 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Aug 10, 2016 | Aug 4, 2016 |
| 8-K |
Current report
Results of operations
|
Jul 26, 2016 | Jul 26, 2016 |
| 8-K | Current report | Jul 22, 2016 | Jul 22, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 2, 2016 | Jun 2, 2016 |
| 8-K |
Current report
New debt
|
Jun 2, 2016 | Jun 1, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
May 24, 2016 | May 24, 2016 |
| 8-K |
Current report
Material agreement, Other events
|
May 19, 2016 | May 18, 2016 |
| 8-K |
Current report
Other events
|
May 17, 2016 | May 17, 2016 |
| 8-K |
Current report
Material agreement, New debt
|
May 16, 2016 | May 13, 2016 |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2016 | May 6, 2016 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2016 | Apr 26, 2016 |
| 8-K |
Current report
Results of operations
|
Apr 18, 2016 | Apr 18, 2016 |
| 8-K |
Current report
Other events
|
Mar 10, 2016 | Mar 4, 2016 |
| 8-K |
Current report
Officer or director change
|
Mar 2, 2016 | Feb 25, 2016 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 26, 2016 | Feb 22, 2016 |
| 8-K |
Current report
Results of operations
|
Jan 26, 2016 | Jan 26, 2016 |
| 8-K |
Current report
Results of operations
|
Jan 20, 2016 | Jan 19, 2016 |
| 8-K |
Current report
Other events
|
Dec 10, 2015 | Dec 10, 2015 |
| 8-K | Current report | Oct 23, 2015 | Oct 23, 2015 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Oct 20, 2015 | Oct 15, 2015 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 6, 2015 | Oct 6, 2015 |
| 8-K |
Current report
Other events
|
Oct 1, 2015 | Oct 1, 2015 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Sep 25, 2015 | Sep 23, 2015 |
| 8-K |
Current report
Agreement ended, Regulation FD disclosure
|
Sep 3, 2015 | Aug 28, 2015 |
| 8-K |
Current report
Other events
|
Aug 14, 2015 | Aug 14, 2015 |
| 8-K |
Current report
Other events
|
Aug 3, 2015 | Aug 3, 2015 |
| 8-K |
Current report
Results of operations
|
Jul 21, 2015 | Jul 21, 2015 |
| 8-K |
Current report
Other events
|
Jul 14, 2015 | Jul 14, 2015 |
| 8-K |
Current report
Other events
|
Jul 1, 2015 | Jul 1, 2015 |
| 8-K |
Current report
Other events
|
Jun 17, 2015 | Jun 15, 2015 |
| 8-K |
Current report
Other events
|
May 28, 2015 | May 28, 2015 |
| 8-K/A |
Amended current report
Shareholder vote results
|
May 21, 2015 | May 1, 2015 |
| 8-K |
Current report
Shareholder vote results
|
May 7, 2015 | May 1, 2015 |
| 8-K |
Current report
Results of operations
|
Apr 21, 2015 | Apr 21, 2015 |
| 8-K |
Current report
Officer or director change
|
Mar 3, 2015 | Feb 25, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 2, 2015 | Feb 2, 2015 |
| 8-K |
Current report
Results of operations
|
Jan 20, 2015 | Jan 20, 2015 |
| 8-K |
Current report
Other events
|
Dec 12, 2014 | Dec 8, 2014 |
| 8-K |
Current report
Other events
|
Nov 24, 2014 | Nov 24, 2014 |
| 8-K |
Current report
Other events
|
Oct 23, 2014 | Oct 23, 2014 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2014 | Oct 21, 2014 |
| 8-K |
Current report
Other events
|
Oct 20, 2014 | Oct 20, 2014 |
| 8-K |
Current report
Material agreement, New debt, Officer or director change
|
Oct 17, 2014 | Oct 13, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 9, 2014 | Sep 9, 2014 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2014 | Jul 22, 2014 |
| 8-K |
Current report
Other events
|
Jun 13, 2014 | Jun 13, 2014 |
Showing 175 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.