Ownership Submission
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

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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Duffy Matthew
   2. Issuer Name and Ticker or Trading Symbol
CorMedix Inc. [CRMD] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O CORMEDIX INC., 1430 US HIGHWAY 206, SUITE 200		 3. Date of Earliest Transaction (Month/Day/Year)
03/02/2015
(Street)

BEDMINSTER, NJ US 07921		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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, $0.001 par value per share 06/02/2015   M   15,000 A $ 0.28 58,223 D  
Common Stock, $0.001 par value per share 06/02/2015   M   25,000 A $ 0.29 83,223 D  
Common Stock, $0.001 par value per share 06/04/2015   S   30,000 D $ 6.4804 53,223 D  

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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) $ 2.02               (1) 01/09/2024 Common Stock, $0.001 par value per share 150,000   150,000 D  
Stock Option (right to buy) $ 2.02               (2) 01/09/2024 Common Stock, $0.001 par value per share 30,000   30,000 D  
Stock Option (right to buy) $ 0.9               (3) 03/20/2023 Common Stock, $0.001 par value per share 100,000   100,000 D  
Stock Option (right to buy) $ 0.68               (4) 12/05/2022 Common Stock, $0.001 par value per share 125,000   125,000 D  
Warrant (right to purchase Common Stock) $ 0.4             11/13/2012 11/13/2017 Common Stock, $0.001 par value per share 25,000   25,000 (5) D  
Stock Option (right to buy) $ 0.29 06/02/2015   M     25,000   (2) 01/06/2022 Common Stock, $0.001 par value per share 30,000 $ 0 5,000 (2) D  
Stock Option (right to buy) $ 0.28 06/02/2015   M     15,000   (6) 11/21/2021 Common Stock, $0.001 par value per share 30,000 $ 0 15,000 (6) D  
Warrant (right to purchase Common Stock) $ 3.475               (7) 04/30/2015(8) Common Stock, $0.001 par value per share 4,884   0 D  
Stock Option (right to buy) $ 5.62               (2) 03/01/2025 Common Stock, $0.001 par value per share 50,000   50,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Duffy Matthew
C/O CORMEDIX INC.
1430 US HIGHWAY 206, SUITE 200
BEDMINSTER, NJ US 07921		   X      

Signatures

 Alexander M. Donaldson, with a Power of Attorney for Matthew P. Duffy   06/04/2015
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) These options vested 100% on January 10, 2014.
(2) These options vest in full on the first anniversary of the date of grant.
(3) These options vest quarterly over two years.
(4) These options vest as follows: (a) fifty percent (50%) on the date of issuance of the CE Mark certification for Neutrolin in Europe, which occurred on July 5, 2013, and (b) fifty percent (50%) on December 31, 2013.
(5) On November 13, 2012, the reporting person acquired in a private placement $10,000 of (a) 9% Senior Convertible Notes, convertible into shares of the Company's common stock at a conversion price of $0.35 per share, and (b) a five-year redeemable warrant to purchase common stock at an exercise price of $0.40 per share.
(6) The options vest ratably, one-third of which will vest on each of the grant date, the first anniversary and the second anniversary thereof.
(7) The warrants were issued as part of the Company's initial public offering in March 2010 and were exercisable beginning six months after the effective date of the Company's registration statement related thereto.
(8) The expiration date was originally 3/24/2015 and was extended to 4/30/2015.

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