CorMedix Inc. (CRMD) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 09, 2026 reveals that CorMedix's three principal insider shareholders consist of Chief Executive Officer Joseph Todisco (509.50K shares), Director Myron Kaplan (201.03K shares), Chief Legal Officer Kaufman Beth Zelnick (169.09K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Joseph Todisco Chief Executive Officer 509,496 19 Dec, 2025
Myron Kaplan 201,034 27 Oct, 2025
Kaufman Beth Zelnick Chief Legal Officer 169,085 06 Jan, 2026
Elizabeth Hurlburt Chief Operating Officer 166,095 06 Jan, 2026
Erin Mistry Evp And Chief Commercial Officer 100,992 14 Jan, 2025
Matthew T David Chief Financial Officer 95,270 14 Jan, 2025
Steven W Lefkowitz 80,498 10 Dec, 2025
Susan Blum Chief Financial Officer 69,686 03 Sep, 2025
Janet Dillione 48,473 11 Dec, 2025
Alan W Dunton 40,250 02 Jan, 2026
Gregory Scott Duncan 38,333 18 Sep, 2025
Robert A Stewart 36,000 22 Jan, 2025
Paulo F Costa 10,000 18 May, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Jan, 2026 Elizabeth Hurlburt Common Stock D 10,895 $12.16 166,095 D F
02 Jan, 2026 Kaufman Beth Zelnick Common Stock D 11,333 $12.16 169,085 D F
30 Dec, 2025 Alan W Dunton - - 60,250 D
30 Dec, 2025 Alan W Dunton Common Stock A 20,000 $4.03 60,250 D M
30 Dec, 2025 Alan W Dunton - - 40,250 D
30 Dec, 2025 Alan W Dunton Common Stock D 20,000 $13.00 40,250 D S
18 Dec, 2025 Joseph Todisco Common Stock D 30,000 $12.00 509,496 D S
18 Dec, 2025 Joseph Todisco - - 539,496 D
18 Dec, 2025 Joseph Todisco - - 509,496 D
18 Dec, 2025 Joseph Todisco Common Stock A 30,000 $4.43 539,496 D M
09 Dec, 2025 Steven W Lefkowitz Common Stock D 40,000 $11.88 80,498 D S
09 Dec, 2025 Janet Dillione - - 82,473 D
09 Dec, 2025 Janet Dillione Common Stock A 19,000 $9.55 67,473 D M
09 Dec, 2025 Janet Dillione - - 67,473 D
09 Dec, 2025 Janet Dillione Common Stock D 34,000 $12.00 48,473 D S
09 Dec, 2025 Janet Dillione Common Stock A 15,000 $5.63 82,473 D M
02 Dec, 2025 Janet Dillione - - 95,130 D
02 Dec, 2025 Janet Dillione Common Stock D 46,657 $10.00 48,473 D S
02 Dec, 2025 Janet Dillione Common Stock A 15,124 $4.43 75,807 D M
02 Dec, 2025 Janet Dillione Common Stock A 12,210 $4.03 60,683 D M