CorMedix Inc. (CRMD) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 07, 2026, the three most significant insider holders at CorMedix are Chief Executive Officer Joseph Todisco (774.75K shares), Chief Operating Officer Elizabeth Hurlburt (278.54K shares), Chief Legal Officer Kaufman Beth Zelnick (269.11K 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 774,749 06 Feb, 2026
Elizabeth Hurlburt Chief Operating Officer 278,539 06 Feb, 2026
Kaufman Beth Zelnick Chief Legal Officer 269,108 06 Feb, 2026
Myron Kaplan 231,487 27 Jan, 2026
Michael David Seckler Chief Commercial Officer 133,156 15 Jan, 2026
Susan Blum Chief Financial Officer 132,739 27 Jan, 2026
Steven W Lefkowitz 125,951 27 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
Alan W Dunton 70,703 27 Jan, 2026
Janet Dillione 68,926 27 Jan, 2026
Gregory Scott Duncan 68,786 27 Jan, 2026
Robert A Stewart 66,453 27 Jan, 2026
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
04 Feb, 2026 Elizabeth Hurlburt Common Stock A 36,006 $0.00 278,539 D A
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
26 Jan, 2026 Alan W Dunton Common Stock A 30,453 $0.00 70,703 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
26 Jan, 2026 Janet Dillione Common Stock A 30,453 $0.00 68,926 D A
26 Jan, 2026 Myron Kaplan Common Stock A 30,453 $0.00 231,487 D A
26 Jan, 2026 Gregory Scott Duncan Common Stock A 30,453 $0.00 68,786 D A
23 Jan, 2026 Elizabeth Hurlburt Common Stock D 10,778 $7.27 242,533 D F
23 Jan, 2026 Elizabeth Hurlburt Common Stock A 93,010 $0.00 253,311 D A
23 Jan, 2026 Joseph Todisco Common Stock D 27,306 $7.27 697,593 D F
23 Jan, 2026 Joseph Todisco Common Stock A 225,900 $0.00 724,899 D A
23 Jan, 2026 Susan Blum Common Stock A 72,820 $0.00 142,506 D A
23 Jan, 2026 Susan Blum Common Stock D 9,767 $7.27 132,739 D F
23 Jan, 2026 Kaufman Beth Zelnick Common Stock A 72,820 $0.00 241,905 D A
23 Jan, 2026 Kaufman Beth Zelnick Common Stock D 8,803 $7.27 233,102 D F
21 Jan, 2026 Janet Dillione Common Stock D 10,000 $6.88 38,473 D S
17 Jan, 2026 Joseph Todisco Common Stock D 22,665 $6.78 498,999 D F
16 Jan, 2026 Joseph Todisco Common Stock A 29,585 $3.38 521,664 D M