Gregory Scott Duncan - 16 Sep 2025 Form 4 Insider Report for CorMedix Inc. (CRMD)

Role: Director
Signature: /s/ Gregory Scott Duncan
Issuer symbol: CRMD
Transactions as of: 16 Sep 2025
Net transactions value: +$110,931
Form type: 4
Filing time: 18 Sep 2025, 21:45:02 UTC
Previous filing: 01 Jul 2025
Next filing: 05 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Duncan Gregory Scott	Director	C/O CORMEDIX INC.,, 300 CONNELL DRIVE, SUITE 4200, BERKELEY HEIGHTS	/s/ Gregory Scott Duncan	18 Sep 2025	0001831127

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CRMD	Common Stock	Options Exercise	$110,931	+13,333	+53%	$8.32	38,333	16 Sep 2025	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	-13,333	-67%	$0.000000	6,667	16 Sep 2025	Common Stock	13,333	$8.32	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These options were granted on 1/11/2021. The options vest monthly with full vesting on the one year anniversary of the date of grant, subject to continued service on the board.