FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

MANDRACCHIA STEPHEN P 		2. Issuer Name and Ticker or Trading Symbol

HUDSON TECHNOLOGIES INC /NY [ HDSN ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
VP Legal & Regulatory
(Last)          (First)          (Middle)

2 HERITAGE COURT 		3. Date of Earliest Transaction (MM/DD/YYYY)

11/17/2017
(Street)

WARWICK, NY 10990
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   9/11/2017     G   V 5000   D $0   1552073   (1) I   Held by Spouse and Children  
Common Stock   11/17/2017     M    125000   A $0.85   1552073   (2) I   Held by Spouse and Children  
Common Stock   11/17/2017     F    48592   (3) D $5.76   (4) 1502481   (2) I   Held by Spouse and Children  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option   $0.85   11/17/2017     M         125000    11/20/2007   11/20/2017   Common Stock   125000   $0   0   D    

Explanation of Responses:
(1)  Includes 333,000 shares which may be purchased pursuant to stock options. Also includes 766,273 shares held by Spouse and 9,800 shares held by Reporting Person's children
(2)  Includes 208,000 which may be purchased pursuant to stock options. Also includes 841,681 shares held by Reporting Person's Spouse and 9,800 shares held by Reporting Person's children.
(3)  No shares sold on the Open Market. Pursuant to provisions of the Company's Stock Incentive Plan, shares from the option exercise were applied by the Company to cover the exercise price and the taxes due upon the exercise of the options.
(4)  Closing Stock Price on November 17, 2017.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MANDRACCHIA STEPHEN P
2 HERITAGE COURT
WARWICK, NY 10990

VP Legal & Regulatory

Signatures
Stephen P. Mandracchia 11/20/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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