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 *
Lefkowitz Steven W
   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               55,272 D  
Common Stock, $0.001 par value per share               10,000 I Reporting person's wife (8)

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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   120,000     (1) 03/20/2023 Common Stock, $0.001 par value per share 120,000 $ 0 120,000 D  
Stock Option (right to buy) $ 0.68               (2) 12/05/2022 Common Stock, $0.001 par value per share 150,000   150,000 D  
Senior Convertible Note (convertible into Common Stock) $ 0.35             11/13/2012 11/13/2013 Common Stock, $0.001 par value per share 42,857   0 D  
Warrant (right to purchase Comm Stock) $ 0.4             11/13/2012 11/13/2017 Common Stock, $0.001 par value per share 37,500   0 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 100,000   0 I (3) Wade Capital Corporation
Warrant (right to purchase Common Stock) (3) $ 0.4             09/20/2012 09/20/2017 Common Stock, $0.001 par value per share 87,500   0 I (3) Wade Capital Corporation
Stock Option (right to buy) $ 0.29               (4) 01/06/2022 Common Stock, $0.001 par value per share 30,000   30,000 D  
Stock Option (right to buy) $ 1.1               (5) 08/11/2021 Common Stock, $0.001 par value per share 30,000   30,000 D  
Warrant (6) $ 3.4375               (7) 03/24/2015 Common Stock, $0.001 par value per share 19,536   19,536 D  

Reporting Owners

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

Signatures

 Steven W. Lefkowitz   03/21/2013
**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 13, 2013.
(2) These options vest as follows: 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 reporting person beneficially owns these securities through Wade Capital Corporation (an entity for which he has voting and investment control).
(4) The options vest in full on the first anniversary of the date of grant.
(5) The options vest ratably, one-third of which will vest on each of the grant date, the first anniversary and the second anniversary thereof.
(6) (Right to buy Common Stock, $0.001 par value per share)
(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) This report does not reflect 20,000 shares underlying a warrant which warrant was incorrectly reported as being owned by the reporting person's wife in a Form 3 filed on August 15, 2011.

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