Form 4 Filing for ATI INC.

Ruby Sharma, a director at ATI INC, acquired 905 shares of common stock on May 19, 2026, as part of an annual award of restricted stock. This award was granted under the Issuer's 2022 Incentive Plan as part of the Issuer's Director compensation program. The shares acquired were part of a grant that vests on the first anniversary of the grant date. The transaction code for this acquisition was "A", indicating an acquisition. The reported price per share was $0.00, with footnotes indicating that this was an annual award of restricted stock and an annual award granted under the Issuer's 2022 Incentive Plan. Following this transaction, Ruby Sharma now owns 7285 shares of ATI INC. common stock.