The insider buying cluster suggests management sees value at current levels (~$0.40-$0.44). Traders should monitor for upcoming catalysts (earnings, product news) that could validate this confidence. Given the micro-cap nature and low liquidity, position sizing should account for volatility.
Price Chart
Executive Summary
CEO Phillip Chan and CFO Peter Mariani of Cytosorbents (CTSO) collectively purchased ~$149K of stock in open-market transactions over three days, representing ~0.55% of market cap. This is a strong insider buying cluster at a micro-cap with bearish analyst consensus, signaling management's conviction in the company's prospects.
Key Financial Metrics
Key Facts
- CEO Phillip Chan purchased 251,136 shares at $0.40 on June 12 and 10,333 shares at $0.43 on June 15, totaling ~$105K.
- CFO Peter Mariani purchased 100,000 shares at $0.44 on June 15, totaling $44K.
- Total insider purchases of ~$149K represent 0.55% of CTSO's $27M market cap.
- Both top executives bought on the open market, not via options or grants.
Financial Impact
$149K in insider purchases, ~0.55% of market cap
Risk Factors
- Micro-cap volatility and low trading volume could amplify price swings.
- Negative analyst consensus (0% bullish) may weigh on sentiment.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CTSO-1781607656029 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 23, 2026 4w ago | 8-K | $4.91 $5.35 | ▲ +8.96% | ▲ +8.27% | $4.73 (−3.67%) |
Aug 6, 2026 11w ago | Press Release | $0.3600 $0.3501 | ▲ +2.75% | ▲ +2.35% | $4.73 (−1213.89%) |
Jun 25, 2026 17w ago | DEFA14A | $0.3620 $0.3600 | ▼ −0.55% | ▼ −1.94% | $4.73 (+1206.63%) |
Jun 16, 2026 19w ago | Insider Cluster | $0.5189 $0.3694 | ▼ −28.81% | ▼ −28.86% | $4.73 (+811.54%) |
Apr 15, 2026 27w ago | 10-K/A | $0.6100 $0.5710 | ▼ −6.39% | ▼ −12.21% | $4.73 (+675.41%) |
Apr 2, 2026 29w ago | 8-K | $0.5830 $0.6100 | ▼ −4.63% | ▲ +5.25% | $4.73 (−711.32%) |
US Market Status
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