Tina K. Busch - 10 Oct 2025 Form 4 Insider Report for ATI INC (ATI)

Role
SVP, CHRO
Signature
/s/ Amanda J. Skov, Attorney-in-Fact for Tina K. Busch
Issuer symbol
ATI
Transactions as of
10 Oct 2025
Net transactions value
-$172,328
Form type
4
Filing time
14 Oct 2025, 09:15:04 UTC
Previous filing
07 Feb 2025
Next filing
25 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Busch Tina Killough SVP, CHRO C/O ATI INC., 2021 MCKINNEY AVE., SUITE 1100, DALLAS /s/ Amanda J. Skov, Attorney-in-Fact for Tina K. Busch 14 Oct 2025 0001949998

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATI Common Stock, par value $0.10 per share Tax liability $172,328 -2,122 -8.2% $81.21 23,872 10 Oct 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld for payment of taxes on restricted stock units awarded on October 10, 2022. One-third of such restricted stock units vested by their terms on October 10, 2025.