• ATI Chair, President, CEO Kimberly A. Fields sold 20,693 shares on June 22-24 at $197.21-$202.48.
• Holdings fell to 197,321 shares following the transactions.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. ATI Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-281327), on June 24, 2026, and is solely responsible for the information contained therein.