0001193125-26-059478.txt : 20260219 0001193125-26-059478.hdr.sgml : 20260219 20260219162511 ACCESSION NUMBER: 0001193125-26-059478 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260217 FILED AS OF DATE: 20260219 DATE AS OF CHANGE: 20260219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WETHERBEE ROBERT S CENTRAL INDEX KEY: 0001572385 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12001 FILM NUMBER: 26654816 MAIL ADDRESS: STREET 1: ATI INC STREET 2: 2021 MCKINNEY AVENUE CITY: DALLAS STATE: TX ZIP: 75201 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ATI INC CENTRAL INDEX KEY: 0001018963 STANDARD INDUSTRIAL CLASSIFICATION: STEEL PIPE & TUBES [3317] ORGANIZATION NAME: 04 Manufacturing EIN: 251792394 STATE OF INCORPORATION: DE FISCAL YEAR END: 1228 BUSINESS ADDRESS: STREET 1: 2021 MCKINNEY AVENUE CITY: DALLAS STATE: TX ZIP: 75201 BUSINESS PHONE: 4123942800 MAIL ADDRESS: STREET 1: 2021 MCKINNEY AVENUE CITY: DALLAS STATE: TX ZIP: 75201 FORMER COMPANY: FORMER CONFORMED NAME: ALLEGHENY TECHNOLOGIES INC DATE OF NAME CHANGE: 19991213 FORMER COMPANY: FORMER CONFORMED NAME: ALLEGHENY TELEDYNE INC DATE OF NAME CHANGE: 19960716 4 1 ownership.xml 4 X0508 4 2026-02-17 0001018963 ATI INC ATI 0001572385 WETHERBEE ROBERT S 2021 MCKINNEY AVENUE SUITE 1100 DALLAS TX 75201 true true false false Executive Chairman true Common Stock, par value $0.10 per share 2026-02-17 4 S false 12435 144.01 D 317188.3409 D Common Stock, par value $0.10 per share 2026-02-17 4 S false 8403 145.17 D 308785.3409 D Common Stock, par value $0.10 per share 2026-02-17 4 S false 28724 146.07 A 280061.3409 D Common Stock, par value $0.10 per share 2026-02-10 4 S false 10438 146.67 D 269623.3409 D Shares sold pursuant to a 10b5-1 Trading Plan dated August 15, 2025, entered into for personal tax and estate planning purposes. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $143.45 to $144.45. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the U.S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price within the range reported. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $144.48 to $145.47. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the SEC, upon request, full information regarding the number of shares sold at each specific price within the range reported. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $145.51 to $146.51. The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the SEC, upon request, full information regarding the number of shares sold at each specific price within the range reported. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.52 to $146.88, The reporting person undertakes to provide to the Issuer, its security holders and the Staff of the U. S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price within the range reported. /s/ Amanda J. Skov, Attorney-in-Fact for Robert S. Wetherbee 2026-02-19