Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  ARMSTRONG JR. JOHN L.
 2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2017		 3. Issuer Name and Ticker or Trading Symbol
CorMedix Inc. [CRMD]
(Last)
(First)
(Middle)
C/O CORMEDIX INC., 1430 U.S. HIGHWAY 206, SUITE 200		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Exec VP of Tech Operations
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BEDMINSTER, NJ 07921		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
No securities beneficially owned 0
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy Common Stock)   (1) 11/14/2024 Common Stock 10,000 $ 0 D  
Stock Option (Right to Buy Common Stock)   (2) 07/28/2025 Common Stock 15,000 $ 0 D  
Stock Option (Right to Buy Common Stock)   (3) 03/08/2026 Common Stock 200,000 $ 0 D  
Restricted Stock Units   (4) 02/28/2027 Common Stock 36,057 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
ARMSTRONG JR. JOHN L.
C/O CORMEDIX INC.
1430 U.S. HIGHWAY 206, SUITE 200
BEDMINSTER, NJ 07921		       Exec VP of Tech Operations  

Signatures

/s/ Alexander M. Donaldson, by power of attorney 03/02/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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 vested upon the achievement of certain milestones, subject to continued employment.
(2) One third of these options vested upon the achievement of a certain milestone and one third vested on each of December 31, 2015 and July 28, 2016.
(3) 15,000 of these options vest monthly over four years, beginning on March 9, 2016, 20,000 vest upon the achievement of a certain milestone, subject to continued employment, and the rest vested upon the achievement of certain milestones.
(4) Each restricted stock unit represents the right to receive one share of CorMedix Inc. common stock. The restricted stock units vest 50% on December 31, 2017 and 50% on December 31, 2018, subject to continued employment.

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