X0306 4/A 2018-02-16 2018-02-19 0001410098 CorMedix Inc. CRMD 0001505888 Khan Mehmood C/O CORMEDIX INC. 400 CONNELL DRIVE, SUITE 5000 BERKELEY HEIGHTS NJ 07922 true Common Stock 2018-02-16 4 A false 12500 A 464583 D Stock Option (Right to Buy Common Stock) .57 2028-02-16 Common Stock 40000 40000 D Stock Option (Right to Buy Common Stock) .45 2027-06-25 Common Stock 75000 75000 D These shares consist of restricted stock units granted on 2/16/2018. These restricted stock units will vest monthly with vesting in full on the first anniversary of the date of grant, subject to continued service on the board. This amendment reports the restricted stock units in Table I rather than Table II as originally reported. These options were granted on 2/16/2018. These options vest in full on the first anniversary of the date of grant, subject to continued service on the board. These options were granted on 6/25/2017. 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. /s/ Alexander M. Donaldson, by power of attorney 2018-11-30