Form4insider filings, from the source

SEC Form 4 · accession 0001193125-26-368175

ATI INC · ATI

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Timothy J Harris
Officer — Senior VP and CDIO
Period of report
Aug 24, 2026
Accepted (ET)
Aug 26, 2026 · 3:57 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001018963

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common Stock, par value $0.10 per shareAug 24, 2026S16,500$206.92D146,687D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses