[Form 4/A] CorMedix Inc. Amended Insider Trading Activity

Rhea-AI Filing Summary

Beth Zelnick Kaufman, Chief Legal Officer and Director of CorMedix Inc. (CRMD), reported a non-derivative disposition of 8,880 shares of common stock executed on 08/29/2025 at a price of $14.83 per share. The transaction reflects the issuer withholding 8,880 shares to satisfy the reporting person's tax withholding obligation, which was omitted from an earlier filing and is corrected here. After the withheld shares, the reporting person beneficially owns 180,418 shares. The amendment clarifies the nature of the disposition and updates the ownership total.

Positive

• Amendment corrects prior omission by reporting issuer withholding of shares for tax obligations, improving regulatory disclosure accuracy
• Transparency maintained—the filing clarifies the nature of the disposition rather than introducing new business or financial developments

Negative

• Reduction in insider holdings—8,880 shares were withheld, lowering the reporting person's beneficial ownership to 180,418 shares
• Initial omission required amendment, indicating the original filing lacked complete detail about the tax-withholding transaction

Insights

Securities Analyst

TL;DR: Routine tax-withholding share disposal reported and corrected; immaterial to company operations but affects insider ownership count.

The Form 4 amendment records a share withholding to meet tax obligations rather than an open-market sale or company repurchase. The 8,880-share withholding at $14.83 reduces the reporting person's beneficial holdings to 180,418 shares. This is an administrative insider transaction that typically has limited informational value about the company's business performance. For investors, the key facts are the number of shares withheld and the per-share price reported; there is no new operating or financial disclosure in the filing.

Corporate Governance Expert

TL;DR: Amendment improves disclosure accuracy; the change addresses an earlier omission about tax-withheld shares.

The amendment demonstrates compliance with Section 16 reporting requirements by correcting a prior omission concerning issuer withholding to satisfy tax liabilities. Accurate insider reporting supports governance transparency. The transaction type—issuer withholding of shares for taxes—is standard and indicates the insider retained no additional voluntary sale activity in this entry. Materiality is low since the amendment only adjusts previously unreported withholding, not operational matters or executive transactions altering control.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Zelnick Kaufman Beth

(Last) (First) (Middle)

C/O CORMEDIX INC.

300 CONNELL DRIVE, SUITE 4200

(Street)

BERKELEY HEIGHTS NJ 07922

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CorMedix Inc. [ CRMD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)
09/03/2025

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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
Common Stock	08/29/2025		F		8,880	D	$14.83	180,418(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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

Explanation of Responses:

1. On September 3, 2025, the Reporting Person filed a Form 4 that omitted the Issuer's withholding of common stock to satisfy the tax liability obligation of the Reporting Person. As reported in this amendment, the Issuer withheld 8,880 shares of common stock to satisfy the tax liability obligation of the Reporting Person.

	/s/ Beth Zelnick Kaufman	09/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What change did the Form 4/A for CRMD report?

The amendment reports that the issuer withheld 8,880 shares of common stock to satisfy the reporting person's tax withholding obligation; this was omitted in the prior filing.

How many shares did Beth Zelnick Kaufman beneficially own after the reported transaction?

After the withholding, the reporting person beneficially owned 180,418 shares of CorMedix Inc.

What was the reported price per share for the transaction on 08/29/2025?

The transaction price reported was $14.83 per share.

Was the transaction an open-market sale or a tax withholding?

The transaction represents issuer withholding of shares to satisfy tax liabilities, not an open-market sale by the insider.

Does this amendment indicate any change in company operations or financial results?

No. The amendment only corrects insider reporting regarding tax-withheld shares and does not disclose operational or financial changes.