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    ACCESSION NUMBER:		0001193125-26-055010
    CONFORMED SUBMISSION TYPE:	10-12B/A
    PUBLIC DOCUMENT COUNT:		41
    FILED AS OF DATE:		20260217
    DATE AS OF CHANGE:		20260217

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    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Atrium Therapeutics, Inc.
    		CENTRAL INDEX KEY:			0002093101
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

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    		FORM TYPE:		10-12B/A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-43008
    		FILM NUMBER:		26643241

    	BUSINESS ADDRESS:
    		STREET 1:		3020 CALLAN ROAD
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92121
    		BUSINESS PHONE:		858-401-7900

    	MAIL ADDRESS:
    		STREET 1:		3020 CALLAN ROAD
    		CITY:			SAN DIEGO
    		STATE:			CA
    		ZIP:			92121

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Bryce Therapeutics, Inc.
    		DATE OF NAME CHANGE:	20251022
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