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)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O CORMEDIX INC., 1430 U.S. HIGHWAY 206, SUITE 200
3. Date of Earliest Transaction (Month/Day/Year)
12/12/2017
(Street)

BEDMINSTER, NJ 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 12/12/2017(1)   P   135,416 A $ 0.48 195,379 D (2)  
Common Stock, $0.001 par value per share               115,757 I (3) Wade Capital Corporation Money Purchase Plan
Common Stock, $0.001 par value per share               10,000 I Reporting Person's Wife

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Common Stock) $ 0.45               (4) 06/25/2027 Common Stock 75,000   75,000 D  
Warrant (Right to Purchase Common Stock) $ 0.9             01/08/2015 01/08/2020 Common Stock 22,500   22,500 D  
Warrant (Right to Purchase Common Stockk $ 0.9             01/08/2015 01/08/2020 Commo Stock 15,000   15,000 I (3) Wade Capital Corporation Money Purchase Plan

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Lefkowitz Steven W
C/O CORMEDIX INC.
1430 U.S. HIGHWAY 206, SUITE 200
BEDMINSTER, NJ 07921
       

Signatures

 /s/ Alexander M. Donaldson, by power of attorney   12/14/2017
**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) Purchase was contracted on November 17, 2017, but not closed until December 12, 2017.
(2) Includes 24,963 shares held by the reporting person for the benefit of his minor son.
(3) The reporting person beneficially owns these securities through Wade Capital Corporation Money Purchase Plan (an entity for which he has voting and investment control).
(4) These options vest 1/3 on the date of grant, 1/3 on the first anniversary of the date of grant and 1/3 on the second anniversary of the date of grant.

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