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 *
Gelbfish Gary A.
   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., 745 ROUTE 202-206, SUITE 303		 3. Date of Earliest Transaction (Month/Day/Year)
03/20/2013
(Street)

BRIDGEWATER, NJ US 08807		 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               188,668 (4) D  
Common Stock, $0.001 par value per share               70,872 (5) I Landmark Foundation (5)

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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) $ 0.9 03/20/2013   A   50,000     (1) 03/20/2023 Common Stock, $0.001 par value per share 50,000 $ 0 50,000 D  
Stock Option (right to buy) $ 0.68               (2) 12/05/2022 Common Stock, $0.001 par value per share 70,000   70,000 D  
Senior Convertible Note (convertible into Common Stock) (3) $ 0.35             09/20/2012 09/20/2013 Common Stock, $0.001 par value per share 285,714   285,714 D  
Warrant (right to purchase Comm Stock) (3) $ 0.4             09/20/2012 09/20/2017 Common Stock, $0.001 par value per share 250,000   250,000 D  
Stock Option (right to buy) $ 0.29               (3) 01/06/2022 Common Stock, $0.001 par value per share 30,000   30,000 D  
Stock Option (right to buy) $ 2.1               (6) 01/14/2021 Common Stock, $0.001 par value per share 30,000   30,000 D  
Stock Option (right to buy) $ 3.125               (7) 03/30/2020 Common Stock, $0.001 par value per share 20,000   20,000 D  
8% Noteholder Warrants (8) $ 3.4375               (8) 10/29/2016 Common Stock, $0.001 par value per share 67,200   67,200 D (9)  
8% Noteholder Warrants (8) $ 3.4375               (8) 10/29/2016 Common Stock, $0.001 par value per share 28,800   28,800 I (5) By Landmark Charity Foundation (5)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Gelbfish Gary A.
C/O CORMEDIX INC.
745 ROUTE 202-206, SUITE 303
BRIDGEWATER, NJ US 08807		   X      

Signatures

 Alexander M. Donaldson, with a Power of Attorney for Gary A. Gelbfish   03/22/2013
**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 vest quarterly over two years beginning June 30, 2013.
(2) These options vest as follows: (a) fifty percent (50%) on the date of issuance of the CE Mark certification for Neutrolin in Europe, if the CE Mark approval is obtained on or before June 30, 2013, and (b) fifty percent (50%) on December 31, 2013.
(3) The options vest in full on the first anniversary of the date of grant.
(4) Includes (i) 94,496 shares of our common stock held jointly by Dr. Gelbfish and his wife, (ii) 70,872 shares of our common stock held by Dr. Gelbfish as custodian for certain of his children, and (iii) 70,872 shares of our common stock held by Landmark Foundation, of which Dr. Gelbfish and his wife are trustees.
(5) Held by Landmark Foundation, of which Dr. Gelbfish and his wife are trustees.
(6) These options vest on January 14, 2012.
(7) These options vest as follows: 1/3 on March 30, 2010; an additional 1/3 on March 30, 2011; and the remaining 1/3 on March 30, 2012.
(8) These warrants will become exercisable upon the consummation of the Company's initial public offering.
(9) Includes 8% Noteholder Warrants held by Dr. Gelbfish and his wife jointly, that are exercisable for 38,400 shares of common stock, and 8% Noteholder Warrants held by Dr. Gelbfish as custodian for certain of his children that are exercisable for 28,800 shares of common stock.

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