Quick Takeaways
- CRMD - CorMedix Inc. has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: -$4,530,637.
- Recent transaction rows are available for direct filing-level review.
- Info
- Significant Ownership
- Insider Ownership
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 16 Insiders of CorMedix Inc.
- Symbol
- CRMD on Nasdaq
- Location
- Parsippany, NJ
What Changed
- Buy value: $275,500; sell value: $4,806,137.
- Net share flow: -375,997.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$4,530,637.
Buys
$275,500
Shares: 25,000
Insiders: 1
Sells
$4,806,137
Shares: 400,997
Insiders: 6
Net
-$4,530,637
Shares: -375,997
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 10,000 | $0 | $68,800 | -$68,800 |
| 3-6 | 25,000 | 227,000 | $275,500 | $2,573,956 | -$2,298,456 |
| 6-9 | 0 | 163,997 | $0 | $2,163,381 | -$2,163,381 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
CorMedix Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Joseph Todisco | Chief Executive Officer, Director | $5,469,727 | -$1,010,000 | -16% | Mixed | 04 Feb 2026 |
| Myron Kaplan | Director | $3,041,093 | +$275,500 | +10% | Mixed | 26 Jan 2026 |
| Elizabeth Hurlburt | Chief Operating Officer | $1,966,485 | -$711,817 | -27% | Mixed | 04 Feb 2026 |
| Beth Zelnick Kaufman | Chief Legal Officer | $1,899,902 | -$670,264 | -26% | Mixed | 04 Feb 2026 |
| Steven W. Lefkowitz | Director | $1,838,737 | -$475,200 | -21% | Mixed | 26 Jan 2026 |
| Michael David Seckler | Chief Commercial Officer | $1,548,604 | Mixed | 08 Jan 2026 | ||
| Erin Mistry | EVP, Chief Commercial Officer | $1,130,100 | Mixed | 10 Jan 2025 | ||
| David Matthew T. | Chief Financial Officer | $1,066,071 | Mixed | 10 Jan 2025 | ||
| Susan Blum | Chief Financial Officer | $965,012 | Mixed | 23 Jan 2026 | ||
| Alan W. Dunton | Director | $822,275 | -$391,300 | -32% | Mixed | 26 Jan 2026 |
| Janet Dillione | Director | $801,609 | -$1,547,556 | -66% | Mixed | 26 Jan 2026 |
| Gregory Scott Duncan | Director | $799,981 | Mixed | 26 Jan 2026 | ||
| Robert A. Stewart | Director | $772,848 | Mixed | 26 Jan 2026 | ||
| Paulo F. Costa | Director | $34,700 | Mixed | 17 May 2023 | ||
| Phoebe Mounts | General Counsel | $24,984 | Mixed | 14 Jan 2023 | ||
| Thomas Nusbickel | EVP, Chief Commercial Officer | Mixed | 18 Feb 2022 |
Top shareholders of CorMedix Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
7.5%
from 13D/G
|
5,776,428
|
$67,179,857 | — | 31 Dec 2025 | |
| Deep Track Capital, LP |
13F
13D/G
|
Company |
6.3%
from 13D/G
|
5,274,076
|
$61,337,504 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.7%
|
4,499,010
|
$52,323,486 | — | 31 Dec 2025 | |
| Aymen Abdalkader Shaibatalhamd |
13D/G
|
SHAIBATALHAMD AYMEN ABDALKADER |
5.8%
|
4,600,000
|
$44,390,000 | -$440,330 | 01 Jan 2026 | |
| MARSHALL WACE, LLP |
13F
|
Company |
2.5%
|
1,966,262
|
$22,867,628 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.4%
|
1,920,861
|
$22,339,613 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
1,912,233
|
$22,242,743 | — | 31 Dec 2025 | |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
|
Company |
1.4%
|
1,107,944
|
$12,885,389 | — | 31 Dec 2025 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
1.1%
|
850,000
|
$9,885,500 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1%
|
828,781
|
$9,638,723 | — | 31 Dec 2025 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
1%
|
805,115
|
$9,363,487 | — | 31 Dec 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.83%
|
658,105
|
$7,653,761 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.82%
|
648,762
|
$7,545,108 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.8%
|
636,035
|
$7,397,088 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.77%
|
614,598
|
$7,147,775 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.77%
|
610,928
|
$7,105,093 | — | 31 Dec 2025 | |
| Palisades Investment Partners, LLC |
13F
|
Company |
0.73%
|
576,759
|
$6,707,707 | — | 31 Dec 2025 | |
| Joseph Todisco |
3/4/5
|
Chief Executive Officer, Director |
—
mixed-class rows
|
1,185,994
mixed-class rows
|
$5,469,727 | -$1,010,000 | 04 Feb 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.59%
|
465,441
|
$5,413,078 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.54%
|
432,215
|
$5,026,660 | — | 31 Dec 2025 | |
| Private Advisor Group, LLC |
13F
|
Company |
0.48%
|
378,537
|
$4,402,391 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.48%
|
376,907
|
$4,383,429 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.4%
|
320,997
|
$3,733,195 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.4%
|
320,150
|
$3,723,344 | — | 31 Dec 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.4%
|
314,970
|
$3,663,101 | — | 31 Dec 2025 | |
| October Effect Ltd |
13F
|
Company |
0.39%
|
306,444
|
$3,563,944 | — | 31 Dec 2025 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.38%
|
302,508
|
$3,518,168 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.36%
|
288,884
|
$3,359,721 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.35%
|
279,026
|
$3,245,073 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.35%
|
274,630
|
$3,193,947 | — | 31 Dec 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.34%
|
271,690
|
$3,159,755 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.33%
|
262,601
|
$3,054,009 | — | 31 Dec 2025 | |
| Myron Kaplan |
3/4/5
|
Director |
0.33%
|
261,487
|
$3,041,093 | +$275,500 | 26 Jan 2026 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.32%
|
253,896
|
$2,952,810 | — | 31 Dec 2025 | |
| Swedbank AB |
13F
|
Company |
0.32%
|
250,000
|
$2,907,500 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.31%
|
242,023
|
$2,814,727 | — | 31 Dec 2025 | |
| LPL Financial LLC |
13F
|
Company |
0.29%
|
229,436
|
$2,668,341 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.28%
|
221,760
|
$2,579,069 | — | 31 Dec 2025 | |
| Del-Sette Capital Management, LLC |
13F
|
Company |
0.27%
|
210,831
|
$2,451,965 | — | 31 Dec 2025 | |
| HUSSMAN STRATEGIC ADVISORS, INC. |
13F
|
Company |
0.26%
|
210,000
|
$2,442,300 | — | 31 Dec 2025 | |
| Steward Partners Investment Advisory, LLC |
13F
|
Company |
0.26%
|
204,485
|
$2,378,161 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.23%
|
181,106
|
$2,106,263 | — | 31 Dec 2025 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
0.23%
|
179,980
|
$2,093,167 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.22%
|
173,982
|
$2,023,411 | — | 31 Dec 2025 | |
| Phocas Financial Corp. |
13F
|
Company |
0.22%
|
171,087
|
$1,989,742 | — | 31 Dec 2025 | |
| VARCOV Co. |
13F
|
Company |
0.22%
|
170,890
|
$1,987,451 | — | 31 Dec 2025 | |
| Elizabeth Hurlburt |
3/4/5
|
Chief Operating Officer |
0.35%
|
278,539
|
$1,966,485 | -$711,817 | 04 Feb 2026 | |
| Beth Zelnick Kaufman |
3/4/5
|
Chief Legal Officer |
—
mixed-class rows
|
419,108
mixed-class rows
|
$1,899,902 | -$670,264 | 04 Feb 2026 | |
| Steven W. Lefkowitz |
3/4/5
|
Director |
0.2%
|
158,103
|
$1,838,737 | -$475,200 | 26 Jan 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.2%
|
155,050
|
$1,803,232 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for CorMedix Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Beth Zelnick Kaufman | CRMD | Common Stock | Award | 15.4% | 36,006 | 269,108 | 04 Feb 2026 | Direct | ||
| Elizabeth Hurlburt | CRMD | Common Stock | Award | 14.8% | 36,006 | 278,539 | 04 Feb 2026 | Direct | ||
| Joseph Todisco | CRMD | Common Stock | Award | 11.1% | 77,156 | 774,749 | 04 Feb 2026 | Direct | ||
| Robert A. Stewart | CRMD | Common Stock | Award | 84.6% | 30,453 | 66,453 | 26 Jan 2026 | Direct | ||
| Janet Dillione | CRMD | Common Stock | Award | 79.2% | 30,453 | 68,926 | 26 Jan 2026 | Direct | ||
| Myron Kaplan | CRMD | Common Stock | Award | 15.2% | 30,453 | 231,487 | 26 Jan 2026 | Direct | ||
| Gregory Scott Duncan | CRMD | Common Stock | Award | 79.4% | 30,453 | 68,786 | 26 Jan 2026 | Direct | ||
| Steven W. Lefkowitz | CRMD | Common Stock | Award | 31.9% | 30,453 | 125,951 | 26 Jan 2026 | Direct | ||
| Alan W. Dunton | CRMD | Common Stock | Award | 75.7% | 30,453 | 70,703 | 26 Jan 2026 | Direct | ||
| Susan Blum | CRMD | Common Stock | Tax liability | -6.85% | -9,767 | 132,739 | 23 Jan 2026 | Direct | ||
| Susan Blum | CRMD | Common Stock | Award | 104.5% | 72,820 | 142,506 | 23 Jan 2026 | Direct | ||
| Beth Zelnick Kaufman | CRMD | Common Stock | Tax liability | -3.64% | -8,803 | 233,102 | 23 Jan 2026 | Direct | ||
| Beth Zelnick Kaufman | CRMD | Common Stock | Award | 43.1% | 72,820 | 241,905 | 23 Jan 2026 | Direct | ||
| Elizabeth Hurlburt | CRMD | Common Stock | Tax liability | -4.25% | -10,778 | 242,533 | 23 Jan 2026 | Direct | ||
| Elizabeth Hurlburt | CRMD | Common Stock | Award | 58% | 93,010 | 253,311 | 23 Jan 2026 | Direct | ||
| Joseph Todisco | CRMD | Common Stock | Tax liability | -3.77% | -27,306 | 697,593 | 23 Jan 2026 | Direct | ||
| Joseph Todisco | CRMD | Common Stock | Award | 45.3% | 225,900 | 724,899 | 23 Jan 2026 | Direct | ||
| Janet Dillione | CRMD | Common Stock | Sale | -20.6% | $68,800 | $6.88 | -10,000 | 38,473 | 21 Jan 2026 | Direct |
| Joseph Todisco | CRMD | Common Stock | Tax liability | -4.34% | -22,665 | 498,999 | 17 Jan 2026 | Direct | ||
| Joseph Todisco | CRMD | Common Stock | Options Exercise | 6.01% | 29,585 | 521,664 | 16 Jan 2026 | Direct | ||
| Joseph Todisco | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -6.71% | -29,585 | 411,245 | 16 Jan 2026 | Direct | ||
| Elizabeth Hurlburt | CRMD | Common Stock | Tax liability | -3.49% | -5,794 | 160,301 | 12 Jan 2026 | Direct | ||
| Joseph Todisco | CRMD | Common Stock | Tax liability | -3.42% | -17,417 | 492,079 | 12 Jan 2026 | Direct | ||
| Steven W. Lefkowitz | CRMD | Common Stock | Options Exercise | 18.6% | 15,000 | 95,498 | 12 Jan 2026 | Direct | ||
| Steven W. Lefkowitz | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -100% | -15,000 | 0 | 12 Jan 2026 | Direct | ||
| Michael David Seckler | CRMD | Common Stock | Award | 133,156 | 133,156 | 08 Jan 2026 | Direct | |||
| Elizabeth Hurlburt | CRMD | Common Stock | Tax liability | -6.16% | -10,895 | 166,095 | 02 Jan 2026 | Direct | ||
| Beth Zelnick Kaufman | CRMD | Common Stock | Tax liability | -6.28% | -11,333 | 169,085 | 02 Jan 2026 | Direct | ||
| Alan W. Dunton | CRMD | Common Stock | Sale | -33.2% | $260,000 | $13.00 | -20,000 | 40,250 | 30 Dec 2025 | Direct |
| Alan W. Dunton | CRMD | Common Stock | Options Exercise | 49.7% | 20,000 | 60,250 | 30 Dec 2025 | Direct | ||
| Alan W. Dunton | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -100% | -20,000 | 0 | 30 Dec 2025 | Direct | ||
| Joseph Todisco | CRMD | Common Stock | Sale | -5.56% | $360,000 | $12.00 | -30,000 | 509,496 | 18 Dec 2025 | Direct |
| Joseph Todisco | CRMD | Common Stock | Options Exercise | 5.89% | 30,000 | 539,496 | 18 Dec 2025 | Direct | ||
| Joseph Todisco | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -7.5% | -30,000 | 370,000 | 18 Dec 2025 | Direct | ||
| Janet Dillione | CRMD | Common Stock | Sale | -41.2% | $408,000 | $12.00 | -34,000 | 48,473 | 09 Dec 2025 | Direct |
| Janet Dillione | CRMD | Common Stock | Options Exercise | 70.1% | 34,000 | 82,473 | 09 Dec 2025 | Direct | ||
| Janet Dillione | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -100% | -34,000 | 0 | 09 Dec 2025 | Direct | ||
| Steven W. Lefkowitz | CRMD | Common Stock | Sale | -33.2% | $475,200 | $11.88 | -40,000 | 80,498 | 09 Dec 2025 | Direct |
| Janet Dillione | CRMD | Common Stock | Sale | -49% | $466,570 | $10.00 | -46,657 | 48,473 | 02 Dec 2025 | Direct |
| Janet Dillione | CRMD | Common Stock | Options Exercise | 96.2% | 46,657 | 95,130 | 02 Dec 2025 | Direct | ||
| Janet Dillione | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -100% | -46,657 | 0 | 02 Dec 2025 | Direct | ||
| Janet Dillione | CRMD | Common Stock | Sale | -35.2% | $261,586 | $9.93 | -26,343 | 48,473 | 24 Nov 2025 | Direct |
| Janet Dillione | CRMD | Common Stock | Options Exercise | 54.4% | 26,343 | 74,816 | 24 Nov 2025 | Direct | ||
| Janet Dillione | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -100% | -26,343 | 0 | 24 Nov 2025 | Direct | ||
| Janet Dillione | CRMD | Common Stock | Sale | -38.2% | $342,600 | $11.42 | -30,000 | 48,473 | 14 Nov 2025 | Direct |
| Myron Kaplan | CRMD | Common Stock | Purchase | 14.2% | $275,500 | $11.02 | 25,000 | 201,034 | 23 Oct 2025 | Direct |
| Gregory Scott Duncan | CRMD | Common Stock | Options Exercise | 53.3% | 13,333 | 38,333 | 16 Sep 2025 | Direct | ||
| Gregory Scott Duncan | CRMD | Stock Option (Right to Buy Common Stock) | Options Exercise | -66.7% | -13,333 | 6,667 | 16 Sep 2025 | Direct | ||
| Alan W. Dunton | CRMD | Common Stock | Sale | -19.9% | $131,300 | $13.13 | -10,000 | 40,250 | 12 Sep 2025 | Direct |
| Alan W. Dunton | CRMD | Common Stock | Options Exercise | 24.8% | 10,000 | 50,250 | 12 Sep 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.