<SEC-DOCUMENT>0001546172-25-000006.txt : 20250624
<SEC-HEADER>0001546172-25-000006.hdr.sgml : 20250624
<ACCEPTANCE-DATETIME>20250624141733
ACCESSION NUMBER:		0001546172-25-000006
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250624
DATE AS OF CHANGE:		20250624

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HUDSON TECHNOLOGIES INC /NY
		CENTRAL INDEX KEY:			0000925528
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MACHINERY, EQUIPMENT & SUPPLIES [5080]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				133641539
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48635
		FILM NUMBER:		251068197

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 1541
		STREET 2:		ONE BLUE HILL PLAZA, 14TH FLOOR
		CITY:			PEARL RIVER
		STATE:			NY
		ZIP:			10965
		BUSINESS PHONE:		8457356000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 1541
		STREET 2:		ONE BLUE HILL PLAZA, 14TH FLOOR
		CITY:			PEARL RIVER
		STATE:			NY
		ZIP:			10965

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REFRIGERANT RECLAMATION INDUSTRIES INC
		DATE OF NAME CHANGE:	19940617

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERLY CAPITAL MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001546172
		ORGANIZATION NAME:           	
		EIN:				204413823
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		201 MISSION STREET
		STREET 2:		SUITE 580
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
		BUSINESS PHONE:		415-547-9000

	MAIL ADDRESS:	
		STREET 1:		201 MISSION STREET
		STREET 2:		SUITE 580
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001546172</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common Stock, $0.01 par value per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>06/16/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000925528</issuerCik>
        <issuerName>HUDSON TECHNOLOGIES INC /NY</issuerName>
        <issuerCusip>444144109</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>PO BOX 1541</com:street1>
          <com:street2>ONE BLUE HILL PLAZA, 14TH FLOOR</com:street2>
          <com:city>PEARL RIVER</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10965</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>WESTERLY CAPITAL MANAGEMENT, LLC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>2600000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>2600000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2600000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>6.0</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>HUDSON TECHNOLOGIES INC /NY</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>PO BOX 1541, ONE BLUE HILL PLAZA, 14TH FLOOR, PEARL RIVER, NEW YORK, 10965.</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Westerly Capital Management, LLC</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>Westerly Capital Management, LLC
201 Mission Street,
Suite 580

San Francisco, CA 94105</principalBusinessOfficeOrResidenceAddress>
        <citizenship>For citizenship of the Filer, see Item 4 of the cover sheet.</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>The amount beneficially owned by each Reporting Person is determined based on 43,480,721 shares of Common Stock outstanding as of April 30, 2025, as reported in the Form 10-Q for the quarterly period ended March 31, 2025 filed with the SEC on May 9, 2025.</amountBeneficiallyOwned>
        <classPercent>6.0%</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>0.00%</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>2,600,000.00</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>0</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
        <classOwnership5PercentOrLess>N</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <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 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>WESTERLY CAPITAL MANAGEMENT, LLC</reportingPersonName>
      <signatureDetails>
        <signature>Christopher J. Galvin</signature>
        <title>Managing Member</title>
        <date>06/24/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
