CorMedix Inc. (CRMD) Insider Ownership

Historic Insider Ownership Trends

CorMedix's three largest insider shareholders as of June 10, 2026 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
Steven W Lefkowitz - 125,951 0 27 Jan, 2026
Paulo F Costa - 10,000 0 18 May, 2023
Robert A Stewart - 66,453 0 27 Jan, 2026
Janet Dillione - 68,926 0 27 Jan, 2026
Myron Kaplan - 231,487 0 27 Jan, 2026
Elizabeth Hurlburt Chief Operating Officer 278,539 0 06 Feb, 2026
Joseph Todisco Chief Executive Officer 774,749 0 06 Feb, 2026
Susan Blum Chief Financial Officer 132,739 0 27 Jan, 2026
Matthew T David Chief Financial Officer 95,270 0 14 Jan, 2025
Erin Mistry Evp, Chief Commercial Officer 100,992 0 14 Jan, 2025
Kaufman Beth Zelnick Chief Legal Officer 269,108 0 06 Feb, 2026
Michael David Seckler Chief Commercial Officer 133,156 0 15 Jan, 2026

* 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 Kaufman Beth Zelnick Common Stock A 36,006 $0.00 269,108 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
04 Feb, 2026 Joseph Todisco Common Stock A 77,156 $0.00 774,749 D A
04 Feb, 2026 Joseph Todisco Common Stock A 77,156 $0.00 774,749 D A
04 Feb, 2026 Elizabeth Hurlburt Common Stock A 36,006 $0.00 278,539 D A
23 Jan, 2026 Kaufman Beth Zelnick Common Stock A 72,820 $0.00 241,905 D A
26 Jan, 2026 Robert A Stewart Common Stock A 30,453 $0.00 66,453 D A
23 Jan, 2026 Susan Blum Common Stock A 72,820 $0.00 142,506 D A
26 Jan, 2026 Myron Kaplan Common Stock A 30,453 $0.00 231,487 D A
26 Jan, 2026 Steven W Lefkowitz Common Stock A 30,453 $0.00 125,951 D A
26 Jan, 2026 Janet Dillione Common Stock A 30,453 $0.00 68,926 D A
23 Jan, 2026 Elizabeth Hurlburt Common Stock A 93,010 $0.00 253,311 D A
23 Jan, 2026 Joseph Todisco Common Stock A 225,900 $0.00 724,899 D A
23 Jan, 2026 Joseph Todisco Common Stock A 225,900 $0.00 724,899 D A
23 Jan, 2026 Kaufman Beth Zelnick Common Stock A 72,820 $0.00 241,905 D A
23 Jan, 2026 Elizabeth Hurlburt Common Stock A 93,010 $0.00 253,311 D A
26 Jan, 2026 Myron Kaplan Common Stock A 30,453 $0.00 231,487 D A
26 Jan, 2026 Steven W Lefkowitz Common Stock A 30,453 $0.00 125,951 D A
23 Jan, 2026 Joseph Todisco Common Stock D 27,306 $7.27 697,593 D F