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    ACCESSION NUMBER:		0001628280-25-003579
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20250204
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20250204
    DATE AS OF CHANGE:		20250204

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    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ATI INC
    		CENTRAL INDEX KEY:			0001018963
    		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL PIPE & TUBES [3317]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				251792394
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1229

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12001
    		FILM NUMBER:		25585357

    	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
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