Cytosorbents Corp
AI summary Insider cluster open-market purchases follow Q2 financial results and progress toward cash flow breakeven.
- Research score
- 55
- AI adjustment
- +9
Research score, not a recommendation.
Market data
Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.
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Why this score
Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.
Why are they buying?
AI · discretionary · catalyst credible · documentedThe insider purchases by the CEO, President, and a Director took place shortly after the release of Q2 2026 financial results, which highlighted improved gross margins, reduced operating cash burn, and progress toward operating cash flow breakeven in the second half of the year.
The Form 4 filings confirm that these transactions were open-market purchases made directly by the reporting persons following the August earnings announcements and a corporate reverse stock split.
Stock Price & Insider Purchase History
Daily close price with open-market insider purchases plotted over time
Loading price history…
| Date | Insider | Role | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-09-04 → 2026-09-15 | Chan Phillip P. 13 purchases with a 63-day result · median -2.6% | CEO | 203,774 | $0.45 avg | $92.6K | |
| 2026-09-04 | Chan Phillip P. | 200,000 | $0.35 | $70.0K | SEC filing for Chan Phillip P. (opens in a new tab) | |
| 2026-09-15 | Chan Phillip P. | 3,774 | $6.00 | $22.6K | SEC filing for Chan Phillip P. (opens in a new tab) | |
| 2026-09-15 | Sobel Alan D. history of Sobel Alan D.'s purchases | Director | 2,500 | $6.10 avg | $15.3K | |
| 2026-09-15 | Sobel Alan D. | 100 | $6.01 | $601 | SEC filing for Sobel Alan D. (opens in a new tab) | |
| 2026-09-15 | Sobel Alan D. | 500 | $6.05 | $3.0K | SEC filing for Sobel Alan D. (opens in a new tab) | |
| 2026-09-15 | Sobel Alan D. | 1,900 | $6.12 | $11.6K | SEC filing for Sobel Alan D. (opens in a new tab) | |
| 2026-09-14 | Capponi Vincent 4 purchases with a 63-day result · median -5.7% | President | 2,073 | $6.05 avg | $12.5K | |
| 2026-09-14 | Capponi Vincent | 273 | $5.90 | $1.6K | SEC filing for Capponi Vincent (opens in a new tab) | |
| 2026-09-14 | Capponi Vincent | 1,800 | $6.07 | $10.9K | SEC filing for Capponi Vincent (opens in a new tab) | |
| Total | $120.4K | |||||
Other buying runs at CTSO
A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.
After this run became a cluster: 21 days -25.0%63 days –126 days –
| Window | Insiders | Total | Score | 21 days | 63 days | 126 days | Status |
|---|---|---|---|---|---|---|---|
| 2023-12-13 | 8 | $305.0K | 71 | -49.6% | -61.1% | -62.4% | closed |
| 2022-05-06 → 2022-06-21 | 7 | $119.8K | 64 | -2.2% | -13.8% | -34.3% | closed |
| 2017-05-15 → 2017-06-09 | 6 | $80.6K | 54 | +11.6% | +53.7% | +61.1% | closed |