List of insiders holdings for Cytosorbents Corp:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Lamadrid David Chief Financial Officer | 2011-09-09 16:43:45 | 15,675,000 0 | 15,675,000 | Form 4 |
| 2 | Montiel Guillermina 10% Owner | 2006-07-21 17:39:06 | 5,052,456 0 | 5,052,456 | Form 13D |
| 3 | NJTC INVESTMENT FUND LP 10% Owner | 2016-01-13 11:58:34 | 4,959,567 0 | 4,959,567 | Form 4 |
| 4 | CHASSMAN MARGIE 10% Owner | 2006-11-20 06:53:38 | 4,795,000 0 | 4,795,000 | Form 13G |
| 5 | Shipley Robert 10% Owner | 2015-01-23 14:22:18 | 2,773,459 199,760 | 2,973,219 | Form 3 |
| 6 | BERGER RONALD Interim CFO | 2013-07-17 12:07:33 | 1,746,000 0 | 1,746,000 | Form 4 |
| 7 | Bocchino Thomas Chief Financial Officer | 2012-12-03 16:28:15 | 1,000,000 0 | 1,000,000 | Form 3 |
| 8 | MARIANI PETER J Chief Financial Officer | 2026-06-16 07:00:14 | 638,113 0 | 638,113 | Form 4 |
| 9 | BLOCH KATHLEEN P. Chief Financial Officer | 2024-04-04 21:46:38 | 619,941 0 | 619,941 | Form 4 |
| 10 | Deliargyris Efthymios Chief Medical Officer | 2025-08-08 19:34:26 | 568,025 0 | 568,025 | Form 4 |
| 11 | D'Amico Alex Chief Financial Officer | 2023-08-15 17:57:07 | 495,000 0 | 495,000 | Form 3 |
| 12 | Winchester James F Chief Medical Officer | 2008-06-27 18:56:24 | 356,250 0 | 356,250 | Form 4 |
| 13 | BATOR MICHAEL G. Director | 2025-08-08 19:38:11 | 195,273 0 | 195,273 | Form 4 |
| 14 | Mortensen Eric R. Chief Medical Officer | 2019-08-16 14:35:58 | 183,932 0 | 183,932 | Form 4 |
| 15 | Rubin Joseph Director | 2014-07-24 16:59:31 | 150,000 0 | 150,000 | Form 4 |
| 16 | Kraus Al Director | 2023-02-08 06:03:33 | 142,046 0 | 142,046 | Form 4 |
| 17 | Jones Edward Raymond Director | 2025-08-08 19:39:21 | 110,834 0 | 110,834 | Form 4 |
| 18 | Chan Phillip P. Chief Executive Officer | 2026-09-16 17:30:30 | 100,996 0 | 100,996 | Form 4 |
| 19 | Kim Jiny Director | 2025-08-08 19:36:38 | 99,819 0 | 99,819 | Form 4 |
| 20 | Gunton James T. Director 10% Owner | 2015-04-10 20:08:35 | 0 61,000 | 61,000 | Form 4 |
| 21 | Katz Kurt Director | 2008-06-27 18:58:25 | 45,000 0 | 45,000 | Form 4 |
| 22 | Capponi Vincent President and COO | 2026-09-16 16:05:30 | 40,387 0 | 40,387 | Form 4 |
| 23 | MILLER WILLIAM R Director | 2008-06-27 18:59:16 | 25,000 0 | 25,000 | Form 4 |
| 24 | BARTLETT ROBERT HAWES Chief Medical Officer | 2017-02-28 17:21:13 | 20,000 0 | 20,000 | Form 4 |
| 25 | Sobel Alan D. Director | 2026-09-16 16:05:14 | 9,887 0 | 9,887 | Form 4 |
| 26 | Whalen Martin F Director | 2008-01-03 15:26:53 | 5,000 0 | 5,000 | Form 4 |
| 27 | BOWES JOSEPH G President, Secretary, CEO, CFO 10% Owner | 2006-07-12 19:41:56 | 0 0 | 0 | Form 13D |