SEC Form 4 · accession 0001193125-26-398695
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
Sep 21, 2026
Accepted (ET)
Sep 23, 2026 · 10:32 am EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001018963
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.10 per share | Sep 21, 2026 | S | 9,000 | $191.82 | D | 88,187 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Shares sold pursuant to a 10b5-1 Trading Plan dated May 21, 2026, entered into for personal tax and estate planning purposes.