CTSO · ISSUER CIK 1175151
Cytosorbents Corp
Between Jul 31, 2026 and Oct 28, 2026, 3 Cytosorbents Corp insiders reported $50K of open-market purchases and $0.00 of sales on SEC Form 4. The largest buyer was Chan Phillip P. (Chief Executive Officer, Director), with $23K.
↗3 insiders filed
Original Form 4 filings from Jul 31, 2026 to Oct 28, 2026. No open-market sales in the window.
$50KInsider buying
$0.00Insider selling
+$50KNet open-market
Sep 16, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 202617:30 | Sep 15, 2026 | CTSO | Chief Executive Officer, Director | P · Buy | $6.00 | +3,774 | 100,996 | +4% | +$23K | -37.1% | -12.7% |
| Sep 16, 202616:05 | Sep 14, 2026 | CTSO | President and COO | P · Buy | $6.05 | +2,073 | 40,387 | +5% | +$13K | -41.7% | -13.4% |
| Sep 16, 202616:05 | Sep 15, 2026 | CTSO | Director | P · Buy | $6.10 | +2,500 | 9,887 | +34% | +$15K | -36.0% | -14.1% |
| Sep 9, 202616:05 | Sep 4, 2026 | CTSO | Chief Executive Officer, Director | P · BuyPrice unverifiedLate 5d | $0.35 | +200,000 | 1,944,432 | +11% | — | — | — |