<SEC-DOCUMENT>0001010541-19-000017.txt : 20191223
<SEC-HEADER>0001010541-19-000017.hdr.sgml : 20191223
<ACCEPTANCE-DATETIME>20191223164635
ACCESSION NUMBER:		0001010541-19-000017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191219
FILED AS OF DATE:		20191223
DATE AS OF CHANGE:		20191223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Prouty Eric A
		CENTRAL INDEX KEY:			0001620724

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13412
		FILM NUMBER:		191306747

	MAIL ADDRESS:	
		STREET 1:		107 SLOUGH RD
		CITY:			HARVARD
		STATE:			MA
		ZIP:			01451

	FORMER NAME:	
		FORMER CONFORMED NAME:	Proudy Eric A
		DATE OF NAME CHANGE:	20140926

ISSUER:		

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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-12-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000925528</issuerCik>
        <issuerName>HUDSON TECHNOLOGIES INC /NY</issuerName>
        <issuerTradingSymbol>HDSN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001620724</rptOwnerCik>
            <rptOwnerName>Prouty Eric A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HUDSON TECHNOLOGIES</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 1542 ONE BLUE HILL PLAZA</rptOwnerStreet2>
            <rptOwnerCity>PEARL RIVER</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10965</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.75</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-12-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>35000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2019-12-19</value>
            </exerciseDate>
            <expirationDate>
                <value>2029-12-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>35000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.75</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-12-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2020-04-10</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-12-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options vest quarterly in four equal installments commencing with the first quarter 2020 and ending with the 4th quarter 2020, with vesting conditioned upon continued compliance with term loan financial covenant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Eric Prouty</signatureName>
        <signatureDate>2019-12-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
