Company · CIK 0001175151 · SIC 3841 — Surgical & Medical Instruments & Apparatus · Nasdaq
Cytosorbents Corp · CTSO
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 PForm 4 → | Sep 16, 5:30 pm EDT | Phillip P. ChanChief Executive Officer, Director | 3,774 | $6.00 | $22,644 | 100,996 | +3.88% | |
| Sep 15, 2026 PForm 4 → | Sep 16, 4:05 pm EDT | Alan D. SobelDirector | 2,500 | $6.10 | $15,254 | 9,887 | +33.8% | |
| Sep 14, 2026 PForm 4 → | Sep 16, 4:05 pm EDT | Vincent CapponiPresident and COO | 2,073 | $6.05 | $12,537 | 40,387 | +5.41% | |
| Sep 4, 2026 PForm 4 → | Sep 9, 4:05 pm EDT | Phillip P. ChanChief Executive Officer, Director | 200,000 | $0.35 | $70,000 | 1,944,432 | +11.5% | |
| Jun 15, 2026 PForm 4 → | Jun 16, 7:00 am EDT | Peter J MarianiChief Financial Officer | 100,000 | $0.44 | $44,000 | 638,113 | +18.6% | |
| Jun 12, 2026 PForm 4 → | Jun 15, 6:24 pm EDT | Phillip P. ChanChief Executive Officer, Director | 261,469 | $0.4012 | $104,898 | 1,744,432 | +17.6% |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.