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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
MILBY RANDY
   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
__X__ Officer (give title below) _____ Other (specify below)
Chief Executive Officer
(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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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. SEC 1474 (9-02)

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   500,000     (1) 03/20/2023 Common Stock, $0.001 par value per share 500,000 $ 0 500,000 D  
Stock Option (right to buy) $ 0.68               (2) 12/05/2022 Common Stock, $0.001 par value per share 100,000   100,000 I I (3)
Senior Convertible Note (convertible into Common Stock) (4) $ 0.35             09/20/2012 09/20/2013 Common Stock, $0.001 par value per share 142,857   142,857 (4) I (4) I (3)
Warrant (right to purchase Common Stock) (4) $ 0.4             09/20/2012 09/20/2017 Common Stock, $0.001 par value per share 125,000   125,000 (4) I (4) I (3)
Stock Option (right to buy) $ 0.29               (5) 05/14/2022 Common Stock, $0.001 par value per share 50,000   50,000 I I (3)

Reporting Owners

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

Signatures

 Alexander M. Donaldson, with a Power of Attorney for Randy Milby   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 based on performance milestones running through December 31, 2014.
(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 reporting person beneficially owns these securities through his ownership interest in MW Bridges LLC (an entity through which he has voting and investment control).
(4) On September 20, 2012, the reporting person, through his ownership in MW Bridges LLC (an entity through which he has voting and investment control), acquired in a private placement $50,000 of (i) 9% Senior Convertible Notes, convertible into shaers of the Company's Common Stock, $0.001 par value per share, at a conversion price of $0.35 per share; and (ii) a five-year redeemable warrant to purchase common stock at an exercise price of $0.40 per share.
(5) These options vest 100% upon receipt of CE Mark approval for the Company's Neutrolin product candidate.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.