CTSO · Cytosorbents Corporation Common Stock
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| Phillip P. Chan Chief Executive Officer | ▲ Buy | Open Market | 1,744,432 Shares held | 6/15/2026 | View profile |
| Vincent Capponi President and COO | ▲ Buy | Grant | 766,268 Shares held | 8/8/2025 | View profile |
| Peter J. Mariani Chief Financial Officer | ▲ Buy | Open Market | 638,113 Shares held | 6/15/2026 | View profile |
| Kathleen P. Bloch Chief Financial Officer | ▲ Buy | Grant | 532,941 Shares held | 4/2/2024 | View profile |
| Efthymios Deliargyris Chief Medical Officer | ▲ Buy | Grant | 473,025 Shares held | 8/8/2025 | View profile |
| Michael G. Bator Director | ▼ Sell | Other | 151,273 Shares held | 2/24/2025 | View profile |
| Alan D. Sobel Director | ▼ Sell | Other | 145,757 Shares held | 2/24/2025 | View profile |
| Kraus Al Director | ▲ Buy | Option Exercise | 142,046 Shares held | 2/6/2023 | View profile |
| Jones Edward Raymond Director | ▲ Buy | Open Market | 88,834 Shares held | 12/13/2023 | View profile |
| Kim Jiny Director | ▲ Buy | Open Market | 77,819 Shares held | 12/13/2023 | View profile |
Transaction History
| Peter J. Mariani | ▲ Buy | Open Market | 100,000 | $44K | 6/15/2026 |
| Phillip P. Chan | ▲ Buy | Open Market | 10,333 | $4K | 6/15/2026 |
| Phillip P. Chan | ▲ Buy | Open Market | 251,136 | $100K | 6/12/2026 |
| Phillip P. Chan | ▲ Buy | Grant | 100,000 | $64K | 11/18/2025 |
| Phillip P. Chan | ▲ Buy | Grant | 105,600 | $0 | 8/8/2025 |
| Peter J. Mariani | ▲ Buy | Grant | 71,500 | $0 | 8/8/2025 |
| Vincent Capponi | ▲ Buy | Grant | 89,100 | $0 | 8/8/2025 |
| Efthymios Deliargyris | ▲ Buy | Grant | 70,000 | $0 | 8/8/2025 |
| Michael G. Bator | ▼ Sell | Other | 10,000 | $11K | 2/24/2025 |
| Vincent Capponi | ▼ Sell | Other | 12,000 | $14K | 2/24/2025 |
| Peter J. Mariani | ▼ Sell | Other | 32,625 | $37K | 2/24/2025 |
| Phillip P. Chan | ▼ Sell | Other | 34,168 | $39K | 2/24/2025 |
| Alan D. Sobel | ▼ Sell | Other | 21,950 | $25K | 2/24/2025 |
| Michael G. Bator | ▼ Sell | Other | 15,879 | $16K | 1/17/2025 |
| Vincent Capponi | ▼ Sell | Other | 31,760 | $32K | 1/17/2025 |
| Efthymios Deliargyris | ▼ Sell | Other | 16,233 | $16K | 1/17/2025 |
| Alan D. Sobel | ▼ Sell | Other | 21,950 | $22K | 1/17/2025 |
| Phillip P. Chan | ▼ Sell | Other | 90,832 | $91K | 1/17/2025 |
| Peter J. Mariani | ▼ Sell | Other | 32,625 | $33K | 1/17/2025 |
| Peter J. Mariani | ▲ Buy | Open Market | 20,000 | $19K | 12/13/2024 |
| Peter J. Mariani | ▲ Buy | Open Market | 20,000 | $18K | 12/12/2024 |
| Peter J. Mariani | ▲ Buy | Open Market | 11,363 | $10K | 12/11/2024 |
| Peter J. Mariani | ▲ Buy | Grant | 110,000 | $0 | 8/14/2024 |
| Peter J. Mariani | ▲ Buy | Grant | 65,000 | $0 | 8/14/2024 |
| Peter J. Mariani | ▲ Buy | Grant | 175,000 | $0 | 8/14/2024 |
| Efthymios Deliargyris | ▲ Buy | Grant | 61,000 | $0 | 4/2/2024 |
| Kathleen P. Bloch | ▲ Buy | Grant | 65,000 | $0 | 4/2/2024 |
| Vincent Capponi | ▲ Buy | Grant | 81,000 | $0 | 4/2/2024 |
| Phillip P. Chan | ▲ Buy | Grant | 96,000 | $0 | 4/2/2024 |
| Alan D. Sobel | ▲ Buy | Open Market | 22,557 | $30K | 12/13/2023 |
| Efthymios Deliargyris | ▲ Buy | Open Market | 22,557 | $30K | 12/13/2023 |
| Vincent Capponi | ▲ Buy | Open Market | 18,797 | $25K | 12/13/2023 |
| Michael G. Bator | ▲ Buy | Open Market | 37,594 | $50K | 12/13/2023 |
| Jones Edward Raymond | ▲ Buy | Open Market | 7,519 | $10K | 12/13/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 37,594 | $50K | 12/13/2023 |
| Kim Jiny | ▲ Buy | Open Market | 7,519 | $10K | 12/13/2023 |
| Phillip P. Chan | ▲ Buy | Open Market | 75,188 | $100K | 12/13/2023 |
| Kathleen P. Bloch | ▲ Buy | Grant | 45,000 | $0 | 9/18/2023 |
| Michael G. Bator | ▲ Buy | Open Market | 1,000 | $3K | 8/7/2023 |
| Michael G. Bator | ▲ Buy | Open Market | 1,000 | $3K | 8/7/2023 |
| Michael G. Bator | ▲ Buy | Open Market | 1,000 | $3K | 8/4/2023 |
| Phillip P. Chan | ▲ Buy | Grant | 87,000 | $0 | 7/7/2023 |
| Vincent Capponi | ▲ Buy | Grant | 73,000 | $0 | 7/7/2023 |
| Efthymios Deliargyris | ▲ Buy | Grant | 55,000 | $0 | 7/7/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 1,100 | $3K | 5/25/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 1,100 | $3K | 5/25/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 1,100 | $3K | 5/25/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 5,000 | $15K | 5/10/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 2,000 | $6K | 5/10/2023 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 3,000 | $10K | 5/10/2023 |
| Vincent Capponi | ▲ Buy | Option Exercise | 10,000 | $29K | 4/4/2023 |
| Phillip P. Chan | ▲ Buy | Option Exercise | 30,500 | $88K | 4/3/2023 |
| Alan D. Sobel | ▼ Sell | Gift | 2,000 | $0 | 2/27/2023 |
| Alan D. Sobel | ▼ Sell | Gift | 2,000 | $0 | 2/27/2023 |
| Kraus Al | ▲ Buy | Option Exercise | 12,000 | $32K | 2/6/2023 |
| Phillip P. Chan | ▲ Buy | Open Market | 5,859 | $7K | 12/8/2022 |
| Phillip P. Chan | ▲ Buy | Open Market | 9,850 | $12K | 12/7/2022 |
| Phillip P. Chan | ▲ Buy | Open Market | 14,291 | $18K | 12/6/2022 |
| Phillip P. Chan | ▲ Buy | Open Market | 35,000 | $60K | 9/8/2022 |
| Kim Jiny | ▲ Buy | Open Market | 1,000 | $2K | 8/25/2022 |
| Efthymios Deliargyris | ▲ Buy | Grant | 55,000 | $0 | 8/10/2022 |
| Efthymios Deliargyris | ▲ Buy | Grant | 52,000 | $0 | 8/10/2022 |
| Vincent Capponi | ▲ Buy | Grant | 69,000 | $0 | 8/10/2022 |
| Kathleen P. Bloch | ▲ Buy | Grant | 55,500 | $0 | 8/10/2022 |
| Phillip P. Chan | ▲ Buy | Grant | 79,000 | $0 | 8/10/2022 |
| Vincent Capponi | ▲ Buy | Open Market | 2,000 | $4K | 6/21/2022 |
| Vincent Capponi | ▲ Buy | Open Market | 3,000 | $6K | 6/16/2022 |
| Phillip P. Chan | ▲ Buy | Open Market | 2,221 | $4K | 6/16/2022 |
| Phillip P. Chan | ▲ Buy | Open Market | 16,000 | $35K | 6/9/2022 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 8,700 | $17K | 6/6/2022 |
| Vincent Capponi | ▲ Buy | Open Market | 1,574 | $3K | 5/23/2022 |
| Vincent Capponi | ▲ Buy | Open Market | 299 | $605 | 5/23/2022 |
| Vincent Capponi | ▲ Buy | Open Market | 3,127 | $6K | 5/23/2022 |
| Michael G. Bator | ▲ Buy | Open Market | 2,000 | $4K | 5/18/2022 |
| Michael G. Bator | ▲ Buy | Open Market | 2,000 | $4K | 5/18/2022 |
| Michael G. Bator | ▲ Buy | Open Market | 2,000 | $4K | 5/18/2022 |
| Michael G. Bator | ▲ Buy | Open Market | 2,000 | $4K | 5/18/2022 |
| Michael G. Bator | ▲ Buy | Open Market | 2,000 | $4K | 5/18/2022 |
| Michael G. Bator | ▲ Buy | Open Market | 1,000 | $2K | 5/18/2022 |
| Jones Edward Raymond | ▲ Buy | Open Market | 1,676 | $4K | 5/16/2022 |
| Alan D. Sobel | ▲ Buy | Open Market | 1,200 | $2K | 5/11/2022 |
| Alan D. Sobel | ▲ Buy | Open Market | 8,800 | $18K | 5/11/2022 |
| Kraus Al | ▲ Buy | Open Market | 5,000 | $10K | 5/6/2022 |
| Kim Jiny | ▲ Buy | Grant | 69,300 | $0 | 4/5/2022 |
| Alan D. Sobel | ▼ Sell | Gift | 2,000 | $0 | 2/14/2022 |
| Phillip P. Chan | ▲ Buy | Open Market | 5,462 | $22K | 12/30/2021 |
| Phillip P. Chan | ▲ Buy | Open Market | 100 | $404 | 12/29/2021 |
| Phillip P. Chan | ▲ Buy | Open Market | 9,438 | $38K | 12/29/2021 |
| Phillip P. Chan | ▲ Buy | Open Market | 5,000 | $26K | 12/10/2021 |
| Jones Edward Raymond | ▲ Buy | Option Exercise | 4,000 | $17K | 12/9/2021 |
| Jones Edward Raymond | ▼ Sell | Tax Withholding | 3,161 | $17K | 12/9/2021 |
| Kathleen P. Bloch | ▲ Buy | Open Market | 4,000 | $20K | 11/23/2021 |
| Kraus Al | ▲ Buy | Option Exercise | 4,000 | $17K | 8/31/2021 |
| Kraus Al | ▼ Sell | Open Market | 4,000 | $38K | 8/31/2021 |