Sec Form 4/A Filing - COLEMAN BRIAN F @ HUDSON TECHNOLOGIES INC /NY - 2015-03-12

FORM 4/A 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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person COLEMAN BRIAN F 2. Issuer Name and Ticker or Trading Symbol HUDSON TECHNOLOGIES INC /NY [ HDSN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President, Chief Operating Off (Last) (First) (Middle) 41 MOUNTAINVIEW AVE 3. Date of Earliest Transaction (MM/DD/YY) 03/12/2015 (Street) PEARL RIVER, NY10965 4. If Amendment, Date Original Filed (MM/DD/YY) 03/16/2015 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 03/12/2015 S 35,100 D $ 4.3 ( 1 ) 1,010,150 ( 2 ) D Common Stock 03/13/2015 S 14,900 D $ 4.19 ( 3 ) 995,250 ( 2 ) D Commmon Stock 03/16/2015 M 12,500 A $ 0.83 995,250 ( 4 ) D Common Stock 03/16/2015 M 12,500 A $ 2.15 995,250 ( 5 ) D Common Stock 03/16/2015 M 12,500 A $ 1.76 995,250 ( 6 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 (Right to Buy) $ 0.83 03/16/2015 M 12,500 07/08/2005 07/08/2015 Common Stock 12,500 $ 0 0 D Stock Option (Right to Buy) $ 2.15 03/16/2015 M 12,500 09/30/2005 09/30/2015 Common Stock 12,500 $ 0 0 D Stock Option (Right to Buy) $ 1.76 03/16/2015 M 12,500 12/29/2005 12/29/2015 Common Stock 12,500 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other COLEMAN BRIAN F 41 MOUNTAINVIEW AVE PEARL RIVER, NY10965 X President, Chief Operating Off Signatures Brian F. Coleman 03/23/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $4.29 to $4.32 per share inclusive. The reporting person undertakes to provide Hudson Technologies, Inc., any security holder of Hudson Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4(A). ( 2 )Includes 603,100 shares which may be purchased pursuant to stock options. ( 3 )The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $4.15 to $4.29 per share, inclusive. ( 4 )Includes 590,600 shares which may be purchased pursuant to stock options. ( 5 )Includes 578,100 shares which may be purchased pursuant to stock options. ( 6 )Includes 565,600 shares which may be purchased pursuant to stock options.

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 Number.