Joseph Todisco - 12 Jan 2026 Form 4 Insider Report for CorMedix Inc. (CRMD)

Signature
/s/ Beth Zelnick Kaufman, attorney-in-fact
Issuer symbol
CRMD
Transactions as of
12 Jan 2026
Net transactions value
-$178,203
Form type
4
Filing time
20 Jan 2026, 09:28:12 UTC
Previous filing
19 Dec 2025
Next filing
27 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Todisco Joseph Chief Executive Officer, Director C/O CORMEDIX INC., 300 CONNELL DRIVE, SUITE 4200, BERKELEY HEIGHTS /s/ Beth Zelnick Kaufman, attorney-in-fact 20 Jan 2026 0001774807

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CRMD Common Stock Tax liability $124,532 -17,417 -3.4% $7.15 492,079 12 Jan 2026 Direct F1
transaction CRMD Common Stock Options Exercise $99,997 +29,585 +6% $3.38 521,664 16 Jan 2026 Direct F2
transaction CRMD Common Stock Tax liability $153,669 -22,665 -4.3% $6.78 498,999 17 Jan 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CRMD Stock Option (Right to Buy Common Stock) Options Exercise $0 -29,585 -6.7% $0.000000 411,245 16 Jan 2026 Common Stock 29,585 $3.38 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction is being reported late due to an inadvertent administrative error.
F2 The Reporting Person acquired stock through the exercise of options granted on 5/10/2022. The Reporting Person paid the exercise price in cash. No sales of stock were made.
F3 These options were granted on 5/10/2022. These options vest over four years in four equal installments on the first four anniversaries of the grant date, subject to continued employment through the applicable vesting date.

Remarks:

Exhibit 24.1 - Power of Attorney