CorMedix Inc. (CRMD) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, CorMedix's top three insider holders are Joseph Todisco (Chief Executive Officer, 774.75K shares), Elizabeth Hurlburt (Chief Operating Officer, 278.54K shares), Kaufman Beth Zelnick (Chief Legal Officer, 269.11K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Joseph Todisco Chief Executive Officer 774,749 0 06 Feb, 2026
Elizabeth Hurlburt Chief Operating Officer 278,539 0 06 Feb, 2026
Kaufman Beth Zelnick Chief Legal Officer 269,108 0 06 Feb, 2026
Myron Kaplan 231,487 0 27 Jan, 2026
Michael David Seckler Chief Commercial Officer 133,156 0 15 Jan, 2026
Susan Blum Chief Financial Officer 132,739 0 27 Jan, 2026
Steven W Lefkowitz 125,951 0 27 Jan, 2026
Erin Mistry Evp, Chief Commercial Officer 100,992 0 14 Jan, 2025
Matthew T David Chief Financial Officer 95,270 0 14 Jan, 2025
Alan W Dunton 70,703 0 27 Jan, 2026
Janet Dillione 68,926 0 27 Jan, 2026
Gregory Scott Duncan 68,786 0 27 Jan, 2026
Robert A Stewart 66,453 0 27 Jan, 2026
Paulo F Costa 10,000 0 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
04 Feb, 2026 Joseph Todisco Common Stock A 77,156 $0.00 774,749 D A
04 Feb, 2026 Kaufman Beth Zelnick Common Stock A 36,006 $0.00 269,108 D A
04 Feb, 2026 Elizabeth Hurlburt Common Stock A 36,006 $0.00 278,539 D A
26 Jan, 2026 Gregory Scott Duncan Common Stock A 30,453 $0.00 68,786 D A
26 Jan, 2026 Janet Dillione Common Stock A 30,453 $0.00 68,926 D A
23 Jan, 2026 Kaufman Beth Zelnick Common Stock A 72,820 $0.00 241,905 D A
26 Jan, 2026 Myron Kaplan Common Stock A 30,453 $0.00 231,487 D A
23 Jan, 2026 Susan Blum Common Stock A 72,820 $0.00 142,506 D A
23 Jan, 2026 Elizabeth Hurlburt Common Stock A 93,010 $0.00 253,311 D A
26 Jan, 2026 Alan W Dunton Common Stock A 30,453 $0.00 70,703 D A
23 Jan, 2026 Joseph Todisco Common Stock A 225,900 $0.00 724,899 D A
26 Jan, 2026 Steven W Lefkowitz Common Stock A 30,453 $0.00 125,951 D A
26 Jan, 2026 Robert A Stewart Common Stock A 30,453 $0.00 66,453 D A
23 Jan, 2026 Elizabeth Hurlburt Common Stock D 10,778 $7.27 242,533 D F
23 Jan, 2026 Susan Blum Common Stock D 9,767 $7.27 132,739 D F
23 Jan, 2026 Kaufman Beth Zelnick Common Stock D 8,803 $7.27 233,102 D F
23 Jan, 2026 Joseph Todisco Common Stock D 27,306 $7.27 697,593 D F
21 Jan, 2026 Janet Dillione Common Stock D 10,000 $6.88 38,473 D S
12 Jan, 2026 Joseph Todisco Common Stock D 17,417 $7.15 492,079 D F
12 Jan, 2026 Elizabeth Hurlburt Common Stock D 5,794 $7.15 160,301 D F