<SEC-DOCUMENT>0000814133-25-000080.txt : 20250814
<SEC-HEADER>0000814133-25-000080.hdr.sgml : 20250814
<ACCEPTANCE-DATETIME>20250814124317
ACCESSION NUMBER:		0000814133-25-000080
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250814
DATE AS OF CHANGE:		20250814

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-52063
		FILM NUMBER:		251216513

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WASATCH ADVISORS LP
		CENTRAL INDEX KEY:			0000814133
		ORGANIZATION NAME:           	
		EIN:				870319391
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		505 WAKARA WAY
		STREET 2:		3RD FLOOR
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108
		BUSINESS PHONE:		8015330777

	MAIL ADDRESS:	
		STREET 1:		505 WAKARA WAY
		STREET 2:		3RD FLOOR
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WASATCH ADVISORS INC
		DATE OF NAME CHANGE:	19990611
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000814133</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
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      <liveTestFlag>LIVE</liveTestFlag>


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  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common Stock Class A</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000911177</issuerCik>
        <issuerName>CASELLA WASTE SYSTEMS INC</issuerName>
        <issuerCusip>147448104</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>25 GREENS HILL ROAD</com:street1>
          <com:city>RUTLAND</com:city>
          <com:stateOrCountry>VT</com:stateOrCountry>
          <com:zipCode>05701</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
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      <reportingPersonName>WASATCH ADVISORS LP</reportingPersonName>
      <memberGroup>a</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>2630150.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>3412123.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3412123.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>5.5</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
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      <item1>
        <issuerName>CASELLA WASTE SYSTEMS INC</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>25 GREENS HILL ROAD, RUTLAND, VERMONT, 05701</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Wasatch Advisors LP</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>505 Wakara Way, 3rd Floor, Salt Lake City, 84108, United States</principalBusinessOfficeOrResidenceAddress>
        <citizenship>DELAWARE</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>3,412,123</amountBeneficiallyOwned>
        <classPercent>5.5</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>2,630,150</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>3,412,123</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
        <classOwnership5PercentOrLess>N</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
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      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
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      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under &amp;#167; 240.14a-11.

</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>WASATCH ADVISORS LP</reportingPersonName>
      <signatureDetails>
        <signature>Mike Yeates</signature>
        <title>CEO</title>
        <date>08/14/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
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</SEC-DOCUMENT>
