    <SEC-DOCUMENT>0001515156-26-000054-index.html : 20260428
    <SEC-HEADER>0001515156-26-000054.hdr.sgml : 20260428
    <ACCEPTANCE-DATETIME>20260428163841
    ACCESSION NUMBER:		0001515156-26-000054
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20251231
    FILED AS OF DATE:		20260428
    DATE AS OF CHANGE:		20260428
    EFFECTIVENESS DATE:		20260428

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Arq, Inc.
    		CENTRAL INDEX KEY:			0001515156
    		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
    		ORGANIZATION NAME:           	08 Industrial Applications and Services
    		EIN:				275472457
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37822
    		FILM NUMBER:		26908585

    	BUSINESS ADDRESS:
    		STREET 1:		8051 E. MAPLEWOOD AVE., STE 210
    		CITY:			GREENWOOD VILLAGE
    		STATE:			CO
    		ZIP:			80111
    		BUSINESS PHONE:		720-598-3500

    	MAIL ADDRESS:
    		STREET 1:		8051 E. MAPLEWOOD AVE., STE 210
    		CITY:			GREENWOOD VILLAGE
    		STATE:			CO
    		ZIP:			80111

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Advanced Emissions Solutions, Inc.
    		DATE OF NAME CHANGE:	20110311
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>a2025arqannualreport_final.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: a2025arqannualreport_final.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>