| $350M | ||
| $217M | ||
| $172M | ||
| $109M | ||
| $107M | ||
| $104M |
Buys | $269,332 | 7 | 100 |
Sells | $0 | 0 | 0 |
| Chan Phillip P. | Chief Executive Officer | 4 | $197,542 | 0 | $0 | $197,542 |
| MARIANI PETER J | Chief Financial Officer | 1 | $44,000 | 0 | $0 | $44,000 |
| Sobel Alan D. | director | 1 | $15,254 | 0 | $0 | $15,254 |
| Capponi Vincent | President and COO | 1 | $12,537 | 0 | $0 | $12,537 |
Cytosorbents Corporation specializes in creating and bringing to market innovative medical devices. Their core expertise lies in a unique blood purification platform, built upon a proprietary adsorbent and porous polymer technology. The company's leading product, CytoSorb, is an extracorporeal filter designed to remove cytokines from the blood. It serves as a complementary treatment in various critical care scenarios, including sepsis, managing complications during and after heart bypass surgery, and improving the viability of donor organs for …
Over the last 12 months, insiders at Cytosorbents Corporation have bought $269,332 and sold $0 worth of Cytosorbents Corporation stock.
On average, over the past 5 years, insiders at Cytosorbents Corporation have bought $185,081 and sold $0 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Chan Phillip P. (Chief Executive Officer) — $197,542. MARIANI PETER J (Chief Financial Officer) — $44,000. Sobel Alan D. (director) — $15,254.
The last purchase of 3,774 shares for transaction amount of $22,644 was made by Chan Phillip P. (Chief Executive Officer) on 2026‑09‑15.
| 2026-09-15 | Chan Phillip P. | Chief Executive Officer | 3,774 0.1189% | $6.00 | $22,644 | -27.72% | ||
| 2026-09-15 | Sobel Alan D. | director | 2,500 0.0801% | $6.10 | $15,254 | -27.72% | ||
| 2026-09-14 | Capponi Vincent | President and COO | 2,073 0.0658% | $6.05 | $12,537 | -27.68% | ||
| 2026-09-04 | Chan Phillip P. | Chief Executive Officer | 200,000 0.3184% | $0.35 | $70,000 | -35.14% | ||
| 2026-06-15 | Chan Phillip P. | Chief Executive Officer | 10,333 0.0177% | $0.43 | $4,443 | -18.52% | ||
| 2026-06-15 | MARIANI PETER J | Chief Financial Officer | 100,000 0.1622% | $0.44 | $44,000 | -18.52% | ||
| 2026-06-12 | Chan Phillip P. | Chief Executive Officer | 251,136 0.4001% | $0.40 | $100,454 | -11.50% | ||
| 2024-12-13 | MARIANI PETER J | Chief Financial Officer | 20,000 0.0335% | $0.96 | $19,294 | -3.76% | ||
| 2024-12-12 | MARIANI PETER J | Chief Financial Officer | 20,000 0.0369% | $0.89 | $17,872 | +9.26% | ||
| 2024-12-11 | MARIANI PETER J | Chief Financial Officer | 11,363 0.0201% | $0.89 | $10,103 | +10.56% | ||
| 2023-12-13 | Chan Phillip P. | Chief Executive Officer | 75,188 0.129% | $1.33 | $100,000 | -43.89% | ||
| 2023-12-13 | Capponi Vincent | President & COO | 18,797 0.0322% | $1.33 | $25,000 | -43.89% | ||
| 2023-12-13 | BLOCH KATHLEEN P. | Chief Financial Officer | 37,594 0.0645% | $1.33 | $50,000 | -43.89% | ||
| 2023-12-13 | Deliargyris Efthymios | Chief Medical Officer | 22,557 0.0387% | $1.33 | $30,001 | -43.89% | ||
| 2023-12-13 | BATOR MICHAEL G. | director | 37,594 0.0645% | $1.33 | $50,000 | -43.89% | ||
| 2023-12-13 | Sobel Alan D. | director | 22,557 0.0387% | $1.33 | $30,001 | -43.89% | ||
| 2023-12-13 | Jones Edward Raymond | director | 7,519 0.0129% | $1.33 | $10,000 | -43.89% | ||
| 2023-12-13 | Kim Jiny | director | 7,519 0.0129% | $1.33 | $10,000 | -43.89% | ||
| 2023-08-07 | BATOR MICHAEL G. | director | 2,000 0.0046% | $3.17 | $6,350 | -67.31% | ||
| 2023-08-04 | BATOR MICHAEL G. | director | 1,000 0.0023% | $3.23 | $3,230 | -68.13% |
| MARIANI PETER J | Chief Financial Officer | 638113 20.2505% | $2.9M | 4 | 0 | +5.35% |
| Chan Phillip P. | Chief Executive Officer | 100996 3.2051% | $458,521.84 | 19 | 4 | +29.37% |
| Capponi Vincent | President and COO | 40387 1.2817% | $183,356.98 | 6 | 16 | +12.11% |
| Sobel Alan D. | director | 9887 0.3138% | $44,886.98 | 3 | 0 | <0.0001% |
| BLOCH KATHLEEN P. | Chief Financial Officer | 467941 14.8501% | $2.12M | 15 | 11 | +3.15% |
| Deliargyris Efthymios | Chief Medical Officer | 348433 11.0575% | $1.58M | 1 | 0 | <0.0001% |
| Kraus Al | 130046 4.127% | $590,408.84 | 1 | 52 | +9.68% | |
| BATOR MICHAEL G. | director | 125394 3.9794% | $569,288.76 | 6 | 0 | <0.0001% |
| Jones Edward Raymond | director | 88834 2.8191% | $403,306.36 | 3 | 0 | +5.37% |
| Kim Jiny | director | 77819 2.4696% | $353,298.26 | 2 | 0 | <0.0001% |
| Mortensen Eric R. | Chief Medical Officer | 2500 0.0793% | $11,350.00 | 1 | 0 | +65.82% |
| BERGER RONALD | See Remarks | 69 0.0022% | $312.49 | 4 | 0 |
| Increased Positions | 21 | +39.62% | 1M | +6.59% |
| Decreased Positions | 17 | -32.08% | 611,055 | -3.73% |
| New Positions | 7 | New | 568,496 | New |
| Sold Out Positions | 7 | Sold Out | 94,518 | Sold Out |
| Total Postitions | 57 | +7.55% | 17M | +2.86% |
| Avenir Corp | $3,334.00 | 8.07% | 5.08M | +24,301 | +0.48% | 2025-09-30 |
| Vanguard Group Inc | $1,446.00 | 3.5% | 2.2M | +79,535 | +3.74% | 2025-09-30 |
| Skylands Capital, Llc | $1,395.00 | 3.38% | 2.13M | -489,450 | -18.7% | 2025-09-30 |
| Neuberger Berman Group Llc | $1,048.00 | 2.54% | 1.6M | +6,309 | +0.4% | 2025-09-30 |
| Cm Management, Llc | $845.00 | 2.05% | 1.29M | +38,128 | +3.05% | 2025-09-30 |
| Blackrock, Inc. | $502.00 | 1.21% | 764,809 | +19,196 | +2.58% | 2025-09-30 |
| Sargent Investment Group, Llc | $485.00 | 1.17% | 738,700 | -7,500 | -1% | 2025-09-30 |
| Geode Capital Management, Llc | $395.00 | 0.96% | 601,451 | 0 | 0% | 2025-09-30 |
| Cibc Private Wealth Group Llc | $113.00 | 0.27% | 172,649 | 0 | 0% | 2025-09-30 |
| State Street Corp | $104.00 | 0.25% | 159,293 | 0 | 0% | 2025-09-30 |