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).
| 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.
| 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 |