ATI INC — Director's Dealing 2025

Jun 6, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ATI INC (ATI)
CIK: 0001018963
Period of Report: 2025-06-03

Reporting Person: WETHERBEE ROBERT S (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-03	Common Stock, par value $0.10 per share	S	50000	$81.64	Disposed	406538.3409	Direct

Footnotes

F1: Shares sold pursuant to a 10b5-1 Trading Plan dated December 12, 2025, entered into for personal tax and estate planning purposes.

F2: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.10 to $82.04, The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the U. S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price within the range reported.