InsiderTrades

Form 4 for ATI ATI INC

Accepted 2026-06-24 17:54:32 ET · period of report 2026-06-22 · accession 0001193125-26-281327 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MT 2026-06-24 17:54 2026-06-22+ ATI Fields Kimberly A COB, Pres, CEO, Dir S - Sale $200.64 -20.7K 197.3K -9% -$4.15M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.10 per share 2026-06-22 S D 13,269 $202.48 204,745 D — — (F1) Shares sold pursuant to a 10b5-1 Trading Plan dated February 5, 2026, entered into for personal tax and estate planning purposes.
2 Common Common Stock, par value $0.10 per share 2026-06-23 S D 3,641 $197.48 201,104 D — — (F1) Shares sold pursuant to a 10b5-1 Trading Plan dated February 5, 2026, entered into for personal tax and estate planning purposes.
3 Common Common Stock, par value $0.10 per share 2026-06-24 S D 3,783 $197.21 197,321 D — — (F1) Shares sold pursuant to a 10b5-1 Trading Plan dated February 5, 2026, entered into for personal tax and estate planning purposes.