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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Costa Paulo F 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)
400 CONNELL DRIVE, SUITE 5000
3. Date of Earliest Transaction (MM/DD/YYYY)
9/15/2020
(Street)
BERKELEY HEIGHTS, NJ 07922
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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)  $4.5700  9/15/2020    A     20000.0000       (1) 9/15/2030  Common Stock  20000.0000  $0.0000  20000.0000  D 
 
Stock Option (Right to Buy Common Stock)  $4.5700  9/15/2020    A     3750.0000       (2) 9/15/2030  Common Stock  3750.0000  $0.0000  3750.0000  D 
 

Explanation of Responses:
(1)  These options were granted on 09/15/2020. One-third of the options vested on the date of grant. One-third of the options will vest on each of the first and second anniversaries of the date of grant, subject to continued service on the board.
(2)  These options were granted on 09/15/2020 and are subject to monthly vesting in equal installments during the one-year period beginning on October 15, 2020, subject to continued service on the board.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Costa Paulo F
400 CONNELL DRIVE
SUITE 5000
BERKELEY HEIGHTS, NJ 07922
X



Signatures
/s/ Paulo Costa 9/17/2020
**Signature of Reporting Person Date
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