Capital International Investors 13D and 13G filings for ATI Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-07 1:41 pm Sale | 2026-03-31 | 13G | ATI INC. ATI | Capital International Investors | 6,169,480 4.500% | -11,468,983![]() (-65.02%) | Filing |
| 2025-11-13 11:04 am Purchase | 2025-09-30 | 13G | ATI INC. ATI | Capital International Investors | 17,638,463 12.800% | 838,150![]() (+4.99%) | Filing |
| 2025-02-14 1:32 pm Purchase | 2024-12-31 | 13G | ATI INC. ATI | Capital International Investors | 16,800,313 11.800% | 271,671![]() (+1.64%) | Filing |
| 2024-02-09 6:03 pm Purchase | 2024-02-07 | 13G | ATI INC. ATI | Capital International Investors | 16,528,642 13.000% | 233,187![]() (+1.43%) | Filing |
| 2023-02-13 3:54 pm Purchase | 2023-02-14 | 13G | ATI INC. ATI | Capital International Investors | 16,295,455 12.600% | 707,533![]() (+4.54%) | Filing |
| 2022-02-11 11:20 am Purchase | 2022-02-14 | 13G | ATI INC. ATI | Capital International Investors | 15,587,922 12.200% | 2,134,961![]() (+15.87%) | Filing |

