Insider tradingForm 4
Cytosorbents Corp (CTSO) Insider Trading
4 open-market trades reported since Sep 9, 2026: 4 purchases worth $120K and 0 sales worth $0.
By insider
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Phillip P. Chan | CEO | 2 | $93K | 0 | $0 |
| Alan D. Sobel | Director | 1 | $15K | 0 | $0 |
| Vincent Capponi | COO | 1 | $13K | 0 | $0 |
All trades
| Filed | Insider | Type | Value | 3 mo. after |
|---|---|---|---|---|
| Sep 16 | Phillip P. ChanCEO | ▲ BUY | $23K | |
| Sep 16 | Alan D. SobelDirector | ▲ BUY | $15K | |
| Sep 16 | Vincent CapponiCOO | ▲ BUY | $13K | |
| Sep 9 | Phillip P. ChanCEO | ▲ BUY | $70K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings