CorMedix Inc.
CRMDHealthcare|Biotechnology|US
$5.32
+0.09 (+1.72%)
Tangible Book / Share
$0.92
Graham Number
$17.76
Cash / Share
$3.27
Ownership Breakdown
84.5%
Float
77.9M
Shares Outstanding
65.9M
Float Shares
Major Holders (7)
Combined: 37.8%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Deep Track Biotechnology Master Fund, Ltd. | Corporation | 7.94% | 6,274,076 | May 15, 2026 | 13D/G |
| Deep Track Capital, LP | IA, OO | 7.94% | 6,274,076 | May 15, 2026 | 13D/G |
| David Kroin | HC, IN | 7.94% | 6,274,076 | May 15, 2026 | 13D/G |
| BlackRock, Inc. | Holding company | 7.50% | 4,567,897 | Feb 5, 2025 | 13D/G |
| Shaibatalhamd Aymen Abdalkader | Individual | 5.90% | 4,618,511 | Jun 12, 2026 | 13D/G |
| Nomura Securities International, Inc. | Broker-dealer | 0.30% | 169,300 | Nov 14, 2024 | 13D/G |
| Nomura Holdings, Inc. | Holding company | 0.30% | 169,300 | Nov 14, 2024 | 13D/G |
Insider Trades (100)
Last 4 quarters: 1,591,474 acquired · 995,807 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Dillione Janet | director | Sep 18, 2026 | OPTION EX. | 48,909 | — | — | Form 4 |
| Dillione Janet | director | Sep 18, 2026 | OPTION EX. | 48,909 | — | — | Form 4 |
| Blum Susan | Chief Financial Officer | Aug 29, 2026 | TAX W/H | 8,424 | $8.30 | $69.9K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Aug 29, 2026 | TAX W/H | 8,076 | $8.30 | $67.0K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Aug 29, 2026 | TAX W/H | 8,424 | $8.30 | $69.9K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Feb 4, 2026 | AWARD | 36,006 | — | — | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Feb 4, 2026 | AWARD | 36,006 | — | — | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Feb 4, 2026 | AWARD | 77,156 | — | — | Form 4 |
| Blum Susan | Chief Financial Officer | Jan 23, 2026 | AWARD | 72,820 | — | — | Form 4 |
| Blum Susan | Chief Financial Officer | Jan 23, 2026 | TAX W/H | 9,767 | $7.27 | $71.0K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Jan 23, 2026 | AWARD | 72,820 | — | — | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Jan 23, 2026 | TAX W/H | 8,803 | $7.27 | $64.0K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Jan 23, 2026 | AWARD | 93,010 | — | — | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Jan 23, 2026 | TAX W/H | 10,778 | $7.27 | $78.4K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 23, 2026 | AWARD | 225,900 | — | — | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 23, 2026 | TAX W/H | 27,306 | $7.27 | $198.5K | Form 4 |
| Kaplan Myron | director | Jan 26, 2026 | AWARD | 30,453 | — | — | Form 4 |
| Dillione Janet | director | Jan 26, 2026 | AWARD | 30,453 | — | — | Form 4 |
| Lefkowitz Steven W | director | Jan 26, 2026 | AWARD | 30,453 | — | — | Form 4 |
| DUNTON ALAN W | director | Jan 26, 2026 | AWARD | 30,453 | — | — | Form 4 |
| Duncan Gregory Scott | director | Jan 26, 2026 | AWARD | 30,453 | — | — | Form 4 |
| Stewart Robert A | director | Jan 26, 2026 | AWARD | 30,453 | — | — | Form 4 |
| Dillione Janet | director | Jan 21, 2026 | SELL | 10,000 | $6.88 | $68.8K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Jan 12, 2026 | TAX W/H | 5,794 | $7.15 | $41.4K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 16, 2026 | OPTION EX. | 29,585 | $3.38 | $100.0K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 17, 2026 | TAX W/H | 22,665 | $6.78 | $153.7K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 12, 2026 | TAX W/H | 17,417 | $7.15 | $124.5K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 16, 2026 | OPTION EX. | 29,585 | $3.38 | $100.0K | Form 4 |
| Seckler Michael David | Chief Commercial Officer | Jan 8, 2026 | AWARD | 133,156 | — | — | Form 4 |
| Seckler Michael David | officer | Jan 8, 2026 | OTHER | 0 | — | — | Form 4 |
| Lefkowitz Steven W | director | Jan 12, 2026 | OPTION EX. | 15,000 | $5.63 | $84.5K | Form 4 |
| Lefkowitz Steven W | director | Jan 12, 2026 | OPTION EX. | 15,000 | $5.63 | $84.5K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Jan 2, 2026 | TAX W/H | 10,895 | $12.16 | $132.5K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Jan 2, 2026 | TAX W/H | 11,333 | $12.16 | $137.8K | Form 4 |
| DUNTON ALAN W | director | Dec 30, 2025 | OPTION EX. | 20,000 | $4.03 | $80.6K | Form 4 |
| DUNTON ALAN W | director | Dec 30, 2025 | SELL | 20,000 | $13.00 | $260.0K | Form 4 |
| DUNTON ALAN W | director | Dec 30, 2025 | OPTION EX. | 20,000 | $4.03 | $80.6K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Dec 18, 2025 | OPTION EX. | 30,000 | $4.43 | $132.9K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Dec 18, 2025 | SELL | 30,000 | $12.00 | $360.0K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Dec 18, 2025 | OPTION EX. | 30,000 | $4.43 | $132.9K | Form 4 |
| Dillione Janet | director | Dec 9, 2025 | OPTION EX. | 15,000 | $5.63 | $84.5K | Form 4 |
| Dillione Janet | director | Dec 9, 2025 | OPTION EX. | 19,000 | $9.55 | $181.4K | Form 4 |
| Dillione Janet | director | Dec 9, 2025 | SELL | 34,000 | $12.00 | $408.0K | Form 4 |
| Dillione Janet | director | Dec 9, 2025 | OPTION EX. | 15,000 | $5.63 | $84.5K | Form 4 |
| Dillione Janet | director | Dec 9, 2025 | OPTION EX. | 19,000 | $9.55 | $181.4K | Form 4 |
| Lefkowitz Steven W | director | Dec 9, 2025 | SELL | 40,000 | $11.88 | $475.2K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | OPTION EX. | 19,323 | $3.55 | $68.6K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | OPTION EX. | 15,124 | $4.43 | $67.0K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | OPTION EX. | 12,210 | $4.03 | $49.2K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | SELL | 46,657 | $10.00 | $466.6K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | OPTION EX. | 19,323 | $3.55 | $68.6K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | OPTION EX. | 12,210 | $4.03 | $49.2K | Form 4 |
| Dillione Janet | director | Dec 2, 2025 | OPTION EX. | 15,124 | $4.43 | $67.0K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 5,677 | $3.55 | $20.2K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 4,876 | $4.43 | $21.6K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 7,790 | $4.03 | $31.4K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 8,000 | $2.85 | $22.8K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | SELL | 26,343 | $9.93 | $261.6K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 5,677 | $3.55 | $20.2K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 4,876 | $4.43 | $21.6K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 7,790 | $4.03 | $31.4K | Form 4 |
| Dillione Janet | director | Nov 24, 2025 | OPTION EX. | 8,000 | $2.85 | $22.8K | Form 4 |
| Dillione Janet | director | Nov 14, 2025 | SELL | 30,000 | $11.42 | $342.6K | Form 4 |
| Kaplan Myron | director | Oct 23, 2025 | BUY | 25,000 | $11.02 | $275.5K | Form 4 |
| Duncan Gregory Scott | director | Sep 16, 2025 | OPTION EX. | 13,333 | $8.32 | $110.9K | Form 4 |
| Duncan Gregory Scott | director | Sep 16, 2025 | OPTION EX. | 13,333 | $8.32 | $110.9K | Form 4 |
| DUNTON ALAN W | director | Sep 12, 2025 | OPTION EX. | 10,000 | $3.55 | $35.5K | Form 4 |
| DUNTON ALAN W | director | Sep 12, 2025 | SELL | 10,000 | $13.13 | $131.3K | Form 4 |
| DUNTON ALAN W | director | Sep 12, 2025 | OPTION EX. | 10,000 | $3.55 | $35.5K | Form 4 |
| Todisco Joseph | Chief Executive Officer | Sep 12, 2025 | OPTION EX. | 50,000 | $3.47 | $173.5K | Form 4 |
| Todisco Joseph | Chief Executive Officer | Sep 12, 2025 | SELL | 50,000 | $13.00 | $650.0K | Form 4 |
| Todisco Joseph | Chief Executive Officer | Sep 12, 2025 | OPTION EX. | 50,000 | $3.47 | $173.5K | Form 4 |
| Todisco Joseph | Chief Executive Officer | May 10, 2025 | TAX W/H | 21,225 | $11.66 | $247.5K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Sep 9, 2025 | OPTION EX. | 50,000 | $3.30 | $165.0K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Sep 9, 2025 | SELL | 49,600 | $13.41 | $665.1K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Sep 9, 2025 | SELL | 400 | $12.82 | $5.1K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Sep 9, 2025 | OPTION EX. | 50,000 | $3.30 | $165.0K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Sep 11, 2025 | OPTION EX. | 41,121 | $1.45 | $59.6K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Sep 9, 2025 | OPTION EX. | 12,876 | $1.45 | $18.7K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Sep 11, 2025 | SELL | 41,121 | $13.08 | $537.9K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Sep 9, 2025 | SELL | 12,876 | $13.51 | $174.0K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Sep 9, 2025 | OPTION EX. | 12,876 | $1.45 | $18.7K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Sep 11, 2025 | OPTION EX. | 41,121 | $1.45 | $59.6K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Aug 29, 2025 | TAX W/H | 8,424 | $14.83 | $124.9K | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Aug 29, 2025 | TAX W/H | 8,880 | $14.83 | $131.7K | Form 4 |
| Hurlburt Elizabeth | Chief Operating Officer | Aug 29, 2025 | AWARD | 69,686 | — | — | Form 4 |
| Zelnick Kaufman Beth | Chief Legal Officer | Aug 29, 2025 | AWARD | 69,686 | — | — | Form 4 |
| Blum Susan | Chief Financial Officer | Aug 29, 2025 | AWARD | 69,686 | — | — | Form 4 |
| Blum Susan | officer | Aug 29, 2025 | OTHER | 0 | — | — | Form 4 |
| Lefkowitz Steven W | director | Apr 2, 2025 | OPTION EX. | 20,000 | $4.03 | $80.6K | Form 4 |
| Lefkowitz Steven W | director | Apr 2, 2025 | OPTION EX. | 20,000 | $4.03 | $80.6K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Apr 1, 2025 | OPTION EX. | 59,170 | $3.38 | $200.0K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Apr 1, 2025 | OPTION EX. | 59,170 | $3.38 | $200.0K | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 17, 2025 | AWARD | 187,500 | — | — | Form 4 |
| Todisco Joseph | director, officer: Chief Executive Officer | Jan 17, 2025 | TAX W/H | 23,977 | $12.17 | $291.8K | Form 4 |
| DUNTON ALAN W | director | Jan 17, 2025 | AWARD | 25,000 | — | — | Form 4 |
| Stewart Robert A | director | Jan 17, 2025 | AWARD | 25,000 | — | — | Form 4 |
| Dillione Janet | director | Jan 17, 2025 | AWARD | 25,000 | — | — | Form 4 |
| Kaplan Myron | director | Jan 17, 2025 | AWARD | 25,000 | — | — | Form 4 |
| Lefkowitz Steven W | director | Jan 17, 2025 | AWARD | 25,000 | — | — | Form 4 |