Harris Timothy J sold ATI

January 5, 2026 · Form 4 insider transaction

Harris Timothy J sold 25,641 shares of ATI Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
25,641
Price
$0.00
Total value
N/A
RoleOfficer
SecurityPerformance Stock Unit
Transaction codeM: Option exercise
Transaction dateJanuary 5, 2026
Filing dateJanuary 7, 2026
Shares owned after25,641
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Settlement of one-half of certain Performance Stock Units awarded in 2022 ("2022 Breakout Performance Units"), each of which represented a contingent right to receive shares of the Issuer's Common Stock if the Issuer's Common Stock achieved specified target market prices (based on a 20-trading day average) on the New York Stock Exchange ("NYSE") for at least 20 consecutive trading days (the "20-day Average Market Price") prior to December 31, 2025, up to a maximum of three shares per Unit. The shares underlying one-half of the 2022 Breakout Performance Units became payable as of January 5, 2026 following certification of the Issuer's achievement of the relevant performance criteria by the Compensation and Leadership Development Committee of the Company's Board of Directors (the "CLDC"). The remaining half of the 2022 Breakout Performance Units are scheduled by their terms to become payable in early 2027.

View the original Form 4 on SEC EDGAR