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| Form | Report Date | Filing Date | Description |
|---|---|---|---|
| 10-Q | 2026-06-28 | 2026-08-06 | 10-Q |
| 8-K | 2026-08-06 | 2026-08-06 | 8-K |
| 8-K | 2026-06-08 | 2026-06-08 | 8-K |
| 8-K | 2026-06-03 | 2026-06-03 | 8-K |
| 8-K | 2026-06-03 | 2026-06-03 | 8-K |
| 8-K | 2026-05-14 | 2026-05-19 | 8-K |
| 10-Q | 2026-03-29 | 2026-04-30 | 10-Q |
| 8-K | 2026-04-30 | 2026-04-30 | 8-K |
| 10-K | 2025-12-28 | 2026-02-20 | 10-K |
| 8-K | 2026-02-18 | 2026-02-19 | 8-K |
| 8-K | 2026-02-03 | 2026-02-03 | 8-K |
| 8-K | 2025-12-04 | 2025-12-08 | 8-K |
| 8-K | 2025-11-18 | 2025-11-18 | 8-K |
| 10-Q | 2025-09-28 | 2025-10-28 | 10-Q |
| 8-K | 2025-10-28 | 2025-10-28 | 8-K |
| 8-K | 2025-09-19 | 2025-09-25 | 8-K |
| 8-K | 2025-09-09 | 2025-09-10 | 8-K |
| 10-Q | 2025-06-29 | 2025-07-31 | 10-Q |
| 8-K | 2025-07-31 | 2025-07-31 | 8-K |
| 8-K | 2025-06-13 | 2025-06-20 | 8-K |
| 8-K | 2025-05-15 | 2025-05-21 | 8-K |
| 10-Q | 2025-03-30 | 2025-05-01 | 10-Q |
| 8-K | 2025-05-01 | 2025-05-01 | 8-K |
| 10-K | 2024-12-29 | 2025-02-21 | 10-K |
| 8-K | 2025-02-04 | 2025-02-04 | 8-K |
| 10-Q | 2024-09-29 | 2024-10-29 | 10-Q |
| 8-K | 2024-10-29 | 2024-10-29 | 8-K |
| 10-Q | 2024-06-30 | 2024-08-06 | 10-Q |
| 8-K | 2024-08-06 | 2024-08-06 | 8-K |
| 8-K | 2024-05-16 | 2024-05-20 | 8-K |
| 10-Q | 2024-03-31 | 2024-04-30 | 10-Q |
| 8-K | 2024-04-30 | 2024-04-30 | 8-K |
| 8-K | 2024-03-14 | 2024-03-14 | 8-K |
| 8-K | 2024-03-07 | 2024-03-07 | 8-K |
| 10-K | 2023-12-31 | 2024-02-23 | 10-K |
| 8-K | 2024-02-23 | 2024-02-23 | 8-K |
| 8-K | 2024-02-01 | 2024-02-01 | 8-K |
| 8-K | 2024-01-19 | 2024-01-19 | 8-K |
| 8-K | 2024-01-04 | 2024-01-10 | 8-K |
| 8-K | 2023-11-29 | 2023-11-29 | 8-K |
| 10-Q | 2023-09-30 | 2023-11-02 | 10-Q |
| 8-K | 2023-11-02 | 2023-11-02 | 8-K |
| 8-K | 2023-10-18 | 2023-10-18 | 8-K |
| 8-K | 2023-08-07 | 2023-08-11 | 8-K |
| 8-K | 2023-08-07 | 2023-08-07 | 8-K |
| 8-K | 2023-08-07 | 2023-08-07 | 8-K |
| 10-Q | 2023-06-30 | 2023-08-02 | 10-Q |
| 8-K | 2023-08-02 | 2023-08-02 | 8-K |
| 8-K | 2023-06-06 | 2023-06-06 | 8-K |
| 8-K | 2023-05-11 | 2023-05-15 | 8-K |
| 10-Q | 2023-03-31 | 2023-05-04 | 10-Q |
| 8-K | 2023-05-04 | 2023-05-04 | 8-K |
| 8-K | 2023-03-01 | 2023-03-02 | 8-K |
| 10-K | 2022-12-31 | 2023-02-24 | 10-K |
| 8-K | 2023-02-02 | 2023-02-02 | 8-K |
| 10-Q | 2022-09-30 | 2022-11-03 | 10-Q |
| 8-K | 2022-11-02 | 2022-11-02 | 8-K |
| 8-K | 2022-09-22 | 2022-09-22 | 8-K |
| 8-K | 2022-09-09 | 2022-09-09 | 8-K |
| 10-Q | 2022-06-30 | 2022-08-04 | 10-Q |
| 8-K | 2022-08-04 | 2022-08-04 | 8-K |
| 8-K | 2022-07-08 | 2022-07-08 | 8-K |
| 8-K | 2022-06-22 | 2022-06-22 | 8-K |
| 8-K | 2022-05-12 | 2022-05-13 | 8-K |
| 10-Q | 2022-03-31 | 2022-05-04 | 10-Q |
| 8-K | 2022-05-04 | 2022-05-04 | 8-K |
| 8-K | 2022-03-09 | 2022-03-09 | 8-K |
| 8-K | 2022-03-03 | 2022-03-03 | 8-K |
| 10-K | 2021-12-31 | 2022-02-25 | 10-K |
| 8-K | 2022-02-02 | 2022-02-02 | 8-K |
| 10-Q | 2021-09-30 | 2021-11-02 | 10-Q |
| 8-K | 2021-10-28 | 2021-10-28 | 8-K |
| 8-K | 2021-10-21 | 2021-10-21 | 8-K |
| 8-K | 2021-09-09 | 2021-09-14 | 8-K |
| 8-K | 2021-09-09 | 2021-09-10 | 8-K |
| 8-K | 2021-09-08 | 2021-09-08 | 8-K |
| 8-K | 2021-08-16 | 2021-08-16 | 8-K |
| 10-Q | 2021-06-30 | 2021-08-03 | 10-Q |
| 8-K | 2021-08-03 | 2021-08-03 | 8-K |
| 8-K | 2021-07-06 | 2021-07-06 | 8-K |
| 8-K | 2021-05-20 | 2021-05-21 | 8-K |
| 10-Q | 2021-03-31 | 2021-04-29 | 10-Q |
| 8-K | 2021-04-29 | 2021-04-29 | 8-K |
| 8-K | 2021-03-02 | 2021-03-02 | 8-K |
| 10-K | 2020-12-31 | 2021-02-26 | 10-K |
| 8-K | 2021-01-28 | 2021-01-28 | 8-K |
| 8-K | 2020-12-02 | 2020-12-04 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2020-11-24 | 2020-11-24 | 8-K |
| 10-Q | 2020-09-30 | 2020-10-29 | 10-Q |
| 8-K | 2020-10-29 | 2020-10-29 | 8-K |
| 10-Q | 2020-06-30 | 2020-08-04 | 10-Q |
| 8-K | 2020-08-04 | 2020-08-04 | 8-K |
| 8-K | 2020-06-22 | 2020-06-22 | 8-K |
| 8-K | 2020-06-17 | 2020-06-18 | 8-K |
| 8-K | 2020-06-17 | 2020-06-17 | 8-K |
| 8-K | 2020-06-16 | 2020-06-16 | FORM 8-K |
| 8-K | 2020-05-22 | 2020-05-22 | 8-K |
| 8-K | 2020-05-08 | 2020-05-12 | FORM 8-K |
| 10-Q | 2020-03-31 | 2020-05-05 | 10-Q |
| 8-K | 2020-05-05 | 2020-05-05 | 8-K |
| 8-K | 2020-04-21 | 2020-04-21 | 8-K |
| 8-K | 2020-03-17 | 2020-03-17 | 8-K |
| 10-K | 2019-12-31 | 2020-02-25 | 10-K |
| 8-K | 2020-02-04 | 2020-02-05 | 8-K |
| 8-K | 2020-02-04 | 2020-02-04 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-12-18 | 2019-12-23 | 8-K |
| 8-K | 2019-12-04 | 2019-12-10 | 8-K |
| 8-K | 2019-11-19 | 2019-11-22 | 8-K |
| 8-K | 2019-11-19 | 2019-11-20 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-11-19 | 2019-11-19 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-Q | 2019-09-30 | 2019-11-01 | 10-Q |
| 8-K | 2019-10-31 | 2019-10-31 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-09-30 | 2019-10-03 | 8-K |
| 10-Q | 2019-06-30 | 2019-08-06 | 10-Q |
| 8-K | 2019-08-06 | 2019-08-06 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-07-23 | 2019-07-23 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-07-22 | 2019-07-22 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-07-18 | 2019-07-18 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-06-04 | 2019-06-04 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-06-03 | 2019-06-03 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 8-K | 2019-05-31 | 2019-05-31 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-05-10 | 2019-05-10 | 8-K |
| 10-Q | 2019-03-31 | 2019-04-30 | 10-Q |
| 8-K | 2019-04-24 | 2019-04-24 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-04-23 | 2019-04-23 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-04-11 | 2019-04-11 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-04-08 | 2019-04-08 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-04-04 | 2019-04-04 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-03-12 | 2019-03-12 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-02-28 | 2019-02-28 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-K | 2018-12-31 | 2019-02-28 | - |
| 8-K | 2019-01-22 | 2019-01-22 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2019-01-11 | 2019-01-11 | 8-K |
| 10-Q | 2018-09-30 | 2018-10-31 | 10-Q |
| 8-K | 2018-10-23 | 2018-10-23 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 8-K | 2018-10-18 | 2018-10-18 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2018-08-14 | 2018-08-14 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-Q | 2018-06-30 | 2018-08-07 | 10-Q |
| 8-K | 2018-07-24 | 2018-07-24 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2018-05-11 | 2018-05-11 | 8-K |
| 10-Q | 2018-03-31 | 2018-05-01 | 10-Q |
| 8-K | 2018-04-24 | 2018-04-24 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2018-02-20 | 2018-02-26 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-K | 2017-12-31 | 2018-02-20 | 10-K |
| 8-K | 2018-01-23 | 2018-01-23 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2017-11-07 | 2017-11-09 | FORM 8-K |
| 8-K | 2017-11-07 | 2017-11-08 | 8-K |
| 8-K | 2017-11-07 | 2017-11-07 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 8-K | 2017-11-02 | 2017-11-02 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 10-Q | 2017-09-30 | 2017-11-01 | 10-Q |
| 8-K | 2017-10-27 | 2017-10-27 | 8-K |
| 8-K | 2017-10-24 | 2017-10-24 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2017-10-12 | 2017-10-12 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-Q | 2017-06-30 | 2017-08-02 | 10-Q |
| 8-K | 2017-07-25 | 2017-07-25 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 8-K | 2017-06-29 | 2017-06-29 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2017-06-21 | 2017-06-27 | FORM 8-K |
| 8-K | 2017-05-15 | 2017-05-15 | 8-K |
| 10-Q | 2017-03-31 | 2017-05-02 | 10-Q |
| 8-K | 2017-04-25 | 2017-04-25 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 10-K | 2016-12-31 | 2017-02-24 | 10-K |
| 8-K | 2017-01-24 | 2017-01-24 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-12-01 | 2016-12-01 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-Q | 2016-09-30 | 2016-11-02 | 10-Q |
| 8-K | 2016-10-31 | 2016-10-31 | 8-K |
| 8-K | 2016-10-25 | 2016-10-25 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-08-24 | 2016-08-24 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-08-04 | 2016-08-10 | FORM 8-K |
| 10-Q | 2016-06-30 | 2016-08-03 | 10-Q |
| 8-K | 2016-07-26 | 2016-07-26 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-07-22 | 2016-07-22 | FORM 8-K |
| 8-K | 2016-06-02 | 2016-06-02 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-06-01 | 2016-06-02 | FORM 8-K |
| 8-K | 2016-05-24 | 2016-05-24 | FORM 8-K |
| 8-K | 2016-05-18 | 2016-05-19 | FORM 8-K |
| 8-K | 2016-05-17 | 2016-05-17 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-05-13 | 2016-05-16 | FORM 8-K |
| 8-K | 2016-05-06 | 2016-05-11 | FORM 8-K |
| 10-Q | 2016-03-31 | 2016-05-06 | 10-Q |
| 8-K | 2016-04-26 | 2016-04-26 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-04-18 | 2016-04-18 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-03-04 | 2016-03-10 | FORM 8-K |
| 8-K | 2016-02-25 | 2016-03-02 | FORM 8-K |
| 10-K | 2015-12-31 | 2016-02-26 | 10-K |
| 8-K | 2016-02-22 | 2016-02-26 | FORM 8-K |
| 8-K | 2016-01-26 | 2016-01-26 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2016-01-19 | 2016-01-20 | FORM 8-K |
| 8-K | 2015-12-10 | 2015-12-10 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-Q | 2015-09-30 | 2015-10-29 | 10-Q |
| 8-K | 2015-10-23 | 2015-10-23 | FORM 8-K |
| 8-K | 2015-10-15 | 2015-10-20 | ALLEGHENY TECHNOLOGIES INCORPORATED |
| 8-K | 2015-10-06 | 2015-10-06 | 8-K |
| 8-K | 2015-10-01 | 2015-10-01 | 8-K |
| 8-K | 2015-09-23 | 2015-09-25 | FORM 8-K |
| 8-K | 2015-08-28 | 2015-09-03 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-08-14 | 2015-08-14 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-08-03 | 2015-08-03 | FORM 8-K |
| 10-Q | 2015-06-30 | 2015-07-30 | 10-Q |
| 8-K | 2015-07-21 | 2015-07-21 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 8-K | 2015-07-14 | 2015-07-14 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-07-01 | 2015-07-01 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-06-15 | 2015-06-17 | FORM 8-K |
| 8-K | 2015-05-28 | 2015-05-28 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-05-01 | 2015-05-07 | FORM 8-K |
| 10-Q | 2015-03-31 | 2015-05-04 | 10-Q |
| 8-K | 2015-04-21 | 2015-04-21 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-02-25 | 2015-03-03 | FORM 8-K |
| 10-K | 2014-12-31 | 2015-02-26 | 10-K |
| 8-K | 2015-02-02 | 2015-02-02 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2015-01-20 | 2015-01-20 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2014-12-08 | 2014-12-12 | 8-K |
| 8-K | 2014-11-24 | 2014-11-24 | 8-K |
| 10-Q | 2014-09-30 | 2014-10-31 | 10-Q |
| 8-K | 2014-10-23 | 2014-10-23 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2014-10-21 | 2014-10-21 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2014-10-20 | 2014-10-20 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2014-10-13 | 2014-10-17 | FORM 8-K |
| 8-K | 2014-09-09 | 2014-09-09 | FORM 8-K |
| 10-Q | 2014-06-30 | 2014-08-04 | 10-Q |
| 8-K | 2014-07-22 | 2014-07-22 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 8-K | 2014-06-13 | 2014-06-13 | ALLEGHENY TECHNOLOGIES INCORPORATED 8-K |
| 10-Q | 2014-03-31 | 2014-05-05 | 10-Q |
| 8-K | 2014-05-01 | 2014-05-02 | 8-K |
| 8-K | 2014-04-22 | 2014-04-22 | ALLEGHENY TECHNOLOGIES INC. 8-K |
| 8-K | 2014-04-15 | 2014-04-17 | FORM 8-K |
| 8-K | 2014-03-31 | 2014-04-01 | FORM 8-K |