Cytosorbents Corp (CTSO) insider trading
Cytosorbents Corp insiders have made 3 open-market purchases worth $50k since Sep 16, 2026, by 3 different insiders. The latest: Phillip P. Chan (CEO) bought $23k, filed Sep 16, 2026, scored 36 out of 100.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 16 Form 4 (opens sec.gov) |
Phillip P. ChanCEOCEO | +4% stake | 36 | $23k 3,774 at $6.00 |
— | — |
| Sep 16 Form 4 (opens sec.gov) |
Vincent CapponiPresidentPresident | +5% stake | 36 | $13k 2,073 at $6.05 |
— | — |
| Sep 16 Form 4 (opens sec.gov) |
Alan D. SobelDirectorDirector | +34% stake | 36 | $15k 2,500 at $6.10 |
— | — |
Insiders who bought CTSO
- Phillip P. Chan CEO
- Vincent Capponi President
- Alan D. Sobel Director
Questions
Are insiders buying CTSO stock?
Yes. In the last 90 days, 3 open-market purchases were filed, worth $50k.
Who bought CTSO stock most recently?
Phillip P. Chan, CEO, bought 3,774 shares for $23k (Form 4 (opens sec.gov), filed Sep 16, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Sep 16, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer