<SEC-DOCUMENT>0000911177-25-000070.txt : 20250314
<SEC-HEADER>0000911177-25-000070.hdr.sgml : 20250314
<ACCEPTANCE-DATETIME>20250314161610
ACCESSION NUMBER:		0000911177-25-000070
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250312
FILED AS OF DATE:		20250314
DATE AS OF CHANGE:		20250314

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CASELLA JOHN W
		CENTRAL INDEX KEY:			0001055352
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23211
		FILM NUMBER:		25740209

	MAIL ADDRESS:	
		STREET 1:		CASELLA WASTE SYSTEMS INC
		STREET 2:		25 GREENS HILL LN
		CITY:			RUTLAND
		STATE:			VT
		ZIP:			05701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASELLA WASTE SYSTEMS INC
		CENTRAL INDEX KEY:			0000911177
		STANDARD INDUSTRIAL CLASSIFICATION:	REFUSE SYSTEMS [4953]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				030338873
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		25 GREENS HILL ROAD
		CITY:			RUTLAND
		STATE:			VT
		ZIP:			05701
		BUSINESS PHONE:		8027750325

	MAIL ADDRESS:	
		STREET 1:		25 GREENS HILL ROAD
		CITY:			RUTLAND
		STATE:			VT
		ZIP:			05701
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1741983358.xml
<DESCRIPTION>FORM 4
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        <issuerName>CASELLA WASTE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>CWST</issuerTradingSymbol>
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            <rptOwnerName>CASELLA JOHN W</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>C/O CASELLA WASTE SYSTEMS</rptOwnerStreet1>
            <rptOwnerStreet2>25 GREENS HILL LANE</rptOwnerStreet2>
            <rptOwnerCity>RUTLAND</rptOwnerCity>
            <rptOwnerState>VT</rptOwnerState>
            <rptOwnerZipCode>05701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CHIEF EXECUTIVE OFFICER</officerTitle>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Spouse</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
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        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
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                    <value>166000</value>
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        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by SLAT 2</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
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        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
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                    <value>134000</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
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                    <value>By SLAT</value>
                    <footnoteId id="F6"/>
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        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
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                    <value>57100</value>
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                <directOrIndirectOwnership>
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                    <value>By Spouse</value>
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        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. RSUs vest in three equal annual installments beginning on March 12, 2026.</footnote>
        <footnote id="F2">Represents the sale of shares of Class A Common Stock pursuant to a &quot;sell-to-cover&quot; transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 22, 2023 and does not represent a discretionary sale by the reporting person.</footnote>
        <footnote id="F3">Represents the sale of shares of Class A Common Stock pursuant to a &quot;sell-to-cover&quot; transaction in order to satisfy tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on May 12, 2022 and does not represent a discretionary sale by the reporting person.</footnote>
        <footnote id="F4">Held by Mr. Casella's spouse.  Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities.</footnote>
        <footnote id="F5">Held by the Spousal Lifetime Access Trust for the benefit of Mr. Casella (&quot;SLAT 2&quot;). Mr. Casella is the trustee of the SLAT 2.</footnote>
        <footnote id="F6">Held by the Spousal Lifetime Access Trust for the benefit of Mr. Casella's spouse (&quot;SLAT&quot;). Mr. Casella's spouse is the trustee of the SLAT. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ John W. Casella</signatureName>
        <signatureDate>2025-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
