| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BALL M LEROY | Director | C/O ATI INC., 2021 MCKINNEY AVE., SUITE 1100, DALLAS | /s/ Amanda J. Skov, Attorney-in-Fact for Leroy M. Ball, Jr. | 20 Nov 2025 | 0001229771 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATI | Common Stock, par value $0.10 per share | Gift | $0 | -185 | -0.54% | $0.000000 | 34,182 | 19 Nov 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares donated to one or more charitable organizations as a bona fide gift. |