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., 1430 US HIGHWAY 206, SUITE 200
3. Date of Earliest Transaction (Month/Day/Year)
05/20/2016
(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 05/20/2016   S   14,874 D $ 2.8627 132,525 D  
Common Stock, $0.001 par value per share 05/23/2016   M   50,000 A $ 0.68 182,525 D  
Common Stock, $0.001 par value per share 05/23/2016   S   15,126 D $ 3 167,399 D  
Common Stock, $0.001 par value per share               174,741 I (1) Wade Capital Corporation Money Purchase Plan
Common Stock, $0.001 par value per share               10,000 I (1) 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) $ 2.02               (2) 01/09/2024 Common Stock, $0.001 par value per share 200,000   200,000 D  
Stock Option (right to buy) $ 2.02               (7) 01/09/2024 Common Stock, $0.001 par value per share 30,000   30,000 D  
Swries C-3 Non-Voting Convertible Preferred Stock $ 1               (3)   (3) Common Stock, $0.001 par value per share 45,000   4,500 D  
Warrant (right to purchase Common Stock) $ 0.9 (4)             01/08/2015 01/08/2020 Common Stock, $0.001 par value per share 22,500   22,500 D  
Series C-3 Non-Voting Convertible Preferred Stock $ 1               (4)   (4) Common Stock, $0.001 par value per share 30,000   3,000 I (1) Wade Capital Corporation Money Purchase Plan
Warrant (right to purchase Common Stock) $ 0.9 (4)             01/08/2015 01/08/2020 Common Stock, $0.001 par value per share 15,000   15,000 I (1) Wade Capital Corporation Money Purchase Plan
Stock Option (right to buy) $ 0.9               (5) 03/20/2023 Common Stock, $0.001 par value per share 120,000   120,000 D  
Stock Option (right to buy) $ 0.68 05/23/2016   M     50,000   (6) 12/05/2022 Common Stock, $0.001 par value per share 150,000 $ 0 100,000 D  
Stock Option (right to buy) $ 1.1               (8) 08/11/2021 Common Stock, $0.001 par value per share 30,000   30,000 D  
Stock Option (right to buy) $ 5.62               (7) 03/01/2025 Common Stock, $0.001 par value per share 50,000   50,000 D  
Stock Option (right to buy) $ 1.91               (7) 09/20/2017 Common Stock, $0.001 par value per share 75,000   75,000 D  

Reporting Owners

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

Signatures

 Alexander M. Donalson by Power of Attorney   05/23/2016
**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) The reporting person beneficially owns these securities through Wade Capital Corporation Money Purchase Plan (an entity for which he has voting and investment control).
(2) The options vested 100% on January 10, 2014.
(3) On January 8, 2014, the reporting person acquired in a private placement (i) 4,500 shares of the Company's Series C-3 Non-Voting Convertible Preferred Stock, each share is convertible into 10 shares of Common Stock, $0.001 par value per share at a conversion price of $1.00 per share; and (ii) a five-year warrant to purchase common stock at an exercise price of $1.25 per share. The Series C-3 Preferred Stock and the warrants were purchased together at a purchase price of $10.00 per share for each share of Series C-3 Preferred Stock.
(4) On January 8, 2014, the reporting person, through his ownership in Wade Capital Corporation Money Purchase Plan (an entity for which he has voting and investment control), acquired in a private placement (i) 3,000 shares of the Company's Series C-3 Non-Voting Convertible Preferred Stock, each share is convertible into 10 shares of Common Stock, $0.001 par value per share at a conversion price of $1.00 per share; and (ii) a five-year warrant to purchase common stock at an exercise price of $1.25 per share. The Series C-3 Preferred Stock and the warrants were purchased together at a purchase price of $10.00 per share for each share of Series C-3 Preferred Stock.
(5) These options vest quarterly over two years beginning June 13, 2013.
(6) These options vested as follows: (a) fifty percent (50%) on the date of issuance of the CE Mark certification for Neutrolin in Europe, which occuured on July 5, 2013, and (b) fifty percent (50%) on December 31, 2013.
(7) The options vest in full on the first anniversary of the date of grant.
(8) The options vest ratably, one-third of which will vest on each of the grant date, the first anniversary and the second anniversary thereof.

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