| Form type | Sec Links | Description | Filing date | Reporting date |
|---|
Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | Data | 8-K | Feb 4, 2025 | Feb 4, 2025 |
| 8-K | Report | Data | 8-K | Oct 29, 2024 | Oct 29, 2024 |
| 8-K | Report | Data | 8-K | Aug 6, 2024 | Aug 6, 2024 |
| 8-K | Report | Data | 8-K | May 20, 2024 | May 16, 2024 |
| 8-K | Report | Data | 8-K | Apr 30, 2024 | Apr 30, 2024 |
| 8-K | Report | Data | 8-K | Mar 14, 2024 | Mar 14, 2024 |
| 8-K | Report | Data | 8-K | Mar 7, 2024 | Mar 7, 2024 |
| 8-K | Report | Data | 8-K | Feb 23, 2024 | Feb 23, 2024 |
| 8-K | Report | Data | 8-K | Feb 1, 2024 | Feb 1, 2024 |
| 8-K | Report | Data | 8-K | Jan 19, 2024 | Jan 19, 2024 |
| 8-K | Report | Data | 8-K | Jan 10, 2024 | Jan 4, 2024 |
| 8-K | Report | Data | 8-K | Nov 29, 2023 | Nov 29, 2023 |
| 8-K | Report | Data | 8-K | Nov 2, 2023 | Nov 2, 2023 |
| 8-K | Report | Data | 8-K | Oct 18, 2023 | Oct 18, 2023 |
| 8-K | Report | Data | 8-K | Aug 11, 2023 | Aug 7, 2023 |
| 8-K | Report | Data | 8-K | Aug 7, 2023 | Aug 7, 2023 |
| 8-K | Report | Data | 8-K | Aug 7, 2023 | Aug 7, 2023 |
| 8-K | Report | Data | 8-K | Aug 2, 2023 | Aug 2, 2023 |
| 8-K | Report | Data | 8-K | Jun 6, 2023 | Jun 6, 2023 |
| 8-K | Report | Data | 8-K | May 15, 2023 | May 11, 2023 |
| 8-K | Report | Data | 8-K | May 4, 2023 | May 4, 2023 |
| 8-K | Report | Data | 8-K | Mar 2, 2023 | Mar 1, 2023 |
| 8-K | Report | Data | 8-K | Feb 2, 2023 | Feb 2, 2023 |
| 8-K | Report | Data | 8-K | Nov 2, 2022 | Nov 2, 2022 |
| 8-K/A | Report | Data | 8-K/A | Oct 14, 2022 | Sep 22, 2022 |
| 8-K | Report | Data | 8-K | Sep 22, 2022 | Sep 22, 2022 |
| 8-K | Report | Data | 8-K | Sep 9, 2022 | Sep 9, 2022 |
| 8-K | Report | Data | 8-K | Aug 4, 2022 | Aug 4, 2022 |
| 8-K | Report | Data | 8-K | Jul 8, 2022 | Jul 8, 2022 |
| 8-K | Report | Data | 8-K | Jun 22, 2022 | Jun 22, 2022 |
| 8-K | Report | Data | 8-K | May 13, 2022 | May 12, 2022 |
| 8-K | Report | Data | 8-K | May 4, 2022 | May 4, 2022 |
| 8-K | Report | Data | 8-K | Mar 9, 2022 | Mar 9, 2022 |
| 8-K | Report | Data | 8-K | Mar 3, 2022 | Mar 3, 2022 |
| 8-K | Report | Data | 8-K | Feb 2, 2022 | Feb 2, 2022 |
| 8-K | Report | Data | 8-K | Oct 28, 2021 | Oct 28, 2021 |
| 8-K | Report | Data | 8-K | Oct 21, 2021 | Oct 21, 2021 |
| 8-K | Report | Data | 8-K | Sep 14, 2021 | Sep 9, 2021 |
| 8-K | Report | Data | 8-K | Sep 10, 2021 | Sep 9, 2021 |
| 8-K | Report | Data | 8-K | Sep 8, 2021 | Sep 8, 2021 |
| 8-K | Report | Data | 8-K | Aug 16, 2021 | Aug 16, 2021 |
| 8-K | Report | Data | 8-K | Aug 3, 2021 | Aug 3, 2021 |
| 8-K | Report | Data | 8-K | Jul 6, 2021 | Jul 6, 2021 |
| 8-K | Report | Data | 8-K | May 21, 2021 | May 20, 2021 |
| 8-K | Report | Data | 8-K | Apr 29, 2021 | Apr 29, 2021 |
| 8-K | Report | Data | 8-K | Mar 2, 2021 | Mar 2, 2021 |
| 8-K | Report | Data | 8-K | Jan 28, 2021 | Jan 28, 2021 |
| 8-K | Report | Data | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K | Dec 4, 2020 | Dec 2, 2020 |
| 8-K | Report | Data | 8-K | Nov 24, 2020 | Nov 24, 2020 |
| 8-K | Report | Data | 8-K | Oct 29, 2020 | Oct 29, 2020 |