ATI Inc. CEO Kimberly A. Fields Sells 40,000 Shares Under 10b5-1 Plan

ATI Inc. (ATI) President, CEO and Director Kimberly A. Fields sold 40,000 shares of common stock on May 11, 2026, through a pre-arranged 10b5-1 trading plan established on February 5, 2026. The sales were executed in multiple transactions at weighted average prices ranging from $154.02 to $161.12 per share, with the total transaction value exceeding $6.3 million. Following these transactions, Fields' direct ownership decreased from 317,763 shares to 277,763 shares. The filing notes that all sales were made pursuant to the 10b5-1 plan for personal tax and estate planning purposes. The transactions were reported on Form 4 and signed by Amanda J. Skov as attorney-in-fact for Fields on May 12, 2026.