Phillip P. Chan bought $70k of CTSO
Chief Executive Officer at Cytosorbents Corp. 200,000 shares at an average of $0.35, traded Sep 4, 2026, filed Sep 9, 2026.
Score components
- +25RoleCEO
- +8Trade size$70k at market
- +3Relative to holdingsHoldings up 11%
- 0Price contextNo price history yet
- +15Cluster3 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001104659-26-106308, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 4, 2026 | POpen-market purchase Common Stock | +200,000 | $0.35 | $70k | 1,944,432 | 35 d ago |
Related signals
Other insiders at Cytosorbents Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 38Weak | Cytosorbents Corp | Vincent Capponi President and COO | $13k 2,073 shares | +5% | |
| 45Moderate | Cytosorbents Corp | Phillip P. Chan Chief Executive Officer | $23k 3,774 shares | +4% | |
| 36Weak | Cytosorbents Corp | Alan D. Sobel director | $15k 2,500 shares | +34% | |
| 47Moderate | Cytosorbents Corp | Peter J Mariani Chief Financial Officer | $44k 100,000 shares | +19% | |
| 64Notable | Cytosorbents Corp | Phillip P. Chan Chief Executive Officer | $105k 261,469 shares | +18% | |
| 30Weak | CTSObuy Cytosorbents Corp | Peter J Mariani Chief Financial Officer | $19k 20,000 shares | +5% | |
| 30Weak | CTSObuy Cytosorbents Corp | Peter J Mariani Chief Financial Officer | $28k 31,363 shares | +9% | |
| 51Moderate | Cytosorbents Corp | Michael G. Bator director | $50k 37,594 shares | +43% | |
| 55Moderate | Cytosorbents Corp | Kathleen P. Bloch Chief Financial Officer | $50k 37,594 shares | +9% | |
| 48Moderate | Cytosorbents Corp | Vincent Capponi President & COO | $25k 18,797 shares | +3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.