10-K

Company

ATI INC

Filed

February 20, 2026

Period of Report

December 28, 2025

Accession Number

0001628280-26-010140

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →