Cytosorbents Corp (CTSO)
$0.32-$0.02 (-4.99%) Today
Latest CTSO Insider Trades
Peter J. Mariani - OfficerOpen-market purchase$44K
Peter J. Mariani - Officer
Phillip P. Chan - OfficerPhillip P. Chan - OfficerPeter J. Mariani - OfficerPeter J. Mariani - OfficerPeter J. Mariani - OfficerPhillip P. Chan - Officer
Alan D. Sobel - DirectorCytoSorbents Corp is a leader in blood purification for the treatment of life-threatening conditions in the intensive care unit and cardiac surgery. CytoSorbent's proprietary blood purification technologies are based on biocompatible, high-porous polymer beads that can actively remove toxic substances from blood and other bodily fluids by pore capture and surface adsorption. CytoSorbent's technologies are used in several broad applications. Specifically, two important applications are: the removal of blood thinners during and after cardiothoracic surgery to reduce the risk of severe bleeding, and the removal of inflammatory agents and toxins in common critical illnesses that can cause massive inflammation, organ failure, and patient death. Geographically, in the USA, Germany, and Others.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 3 | 361,469 | $149K |
15 Form 4 filings on record, the earliest from Oct 8, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Peter J. Mariani - Officer | Open-market purchase | Common Stock | 100,000 | $0.44 | $44K | |
| Phillip P. Chan - Officer | Open-market purchase | Common Stock | 251,136 | $0.40 | $100K | |
| Phillip P. Chan - Officer | Open-market purchase | Common Stock | 10,333 | $0.43 | $4K | |
| Phillip P. Chan - Officer | Grant or award | Common Stock | 100,000 | $0.64 | $64K | |
| Alan D. Sobel - Director | Grant or award | Stock Option (Right to Buy) | 22,000 | $0.00 | - | |
 Efthymios Deliargyris - Officer | Grant or award | Common Stock | 70,000 | $0.00 | - | |
| Efthymios Deliargyris - Officer | Grant or award | Stock Option (Right to Buy) | 95,000 | $0.00 | - | |
 Jiny Kim - Director | Grant or award | Stock Option (Right to Buy) | 22,000 | $0.00 | - | |
| Phillip P. Chan - Officer | Grant or award | Common Stock | 105,600 | $0.00 | - | |
| Phillip P. Chan - Officer | Grant or award | Stock Option (Right to Buy) | 136,400 | $0.00 | - | |
| Peter J. Mariani - Officer | Grant or award | Common Stock | 71,500 | $0.00 | - | |
| Peter J. Mariani - Officer | Grant or award | Stock Option (Right to Buy) | 90,000 | $0.00 | - | |
 Vincent Capponi - Officer | Grant or award | Common Stock | 89,100 | $0.00 | - | |
| Vincent Capponi - Officer | Grant or award | Stock Option (Right to Buy) | 111,100 | $0.00 | - | |
| Edward Raymond Jones - Director | Grant or award | Stock Option (Right to Buy) | 22,000 | $0.00 | - | |
 Michael G. Bator - Director | Grant or award | Stock Option (Right to Buy) | 44,000 | $0.00 | - | |
| Peter J. Mariani - Officer | Open-market purchase | Common Stock | 20,000 | $0.96 | $19K | |
| Peter J. Mariani - Officer | Open-market purchase | Common Stock | 11,363 | $0.89 | $10K | |
| Peter J. Mariani - Officer | Open-market purchase | Common Stock | 20,000 | $0.89 | $18K | |
| Efthymios Deliargyris - Officer | Grant or award | Stock Option (Right to Buy) | 100,000 | - | - | |
| Efthymios Deliargyris - Officer | Grant or award | Stock Option (Right to Buy) | 50,000 | - | - | |
| Vincent Capponi - Officer | Grant or award | Stock Option (Right to Buy) | 100,000 | - | - | |
| Vincent Capponi - Officer | Grant or award | Stock Option (Right to Buy) | 50,000 | - | - |
Cytosorbents Corp (CTSO) had 2 insider filings in the last 90 days, with the most recent on 2026-06-16. The full record for CTSO runs to 15 Form 4 filings, the earliest from 2024-10-08. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
3 insider purchases of CTSO were filed in the last 90 days, totaling $149K.
No insider sales of CTSO were filed in the last 90 days.
This page tracks CTSO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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