Form 4 Filing: ATI INC - Director Carolyn Corvi Acquires 905 Shares

On May 19, 2026, Carolyn Corvi, a director at ATI INC, acquired 905 shares of the company's common stock through an annual award of restricted stock. This award, granted under the Issuer's 2022 Incentive Plan as part of the Director compensation program, vests on the first anniversary of the grant date. The acquisition was made at a price of $0.0 per share, as indicated by footnote F2. Following this transaction, Corvi's total ownership of ATI INC common stock increased to 71,145.6932 shares. The filing, designated as Form 4, was signed on May 21, 2026, by Amanda J. Skov, acting as Attorney-in-Fact for Carolyn Corvi.