Form4insider filings, from the source

Insider · CIK 0001442786

Phillip P. Chan

Files at: CTSO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $93k · 2sales $0 · 0net $93k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 PForm 4 →Sep 16, 5:30 pm EDTCytosorbents CorpCTSO3,774$6.00$22,644100,996+3.88%
Sep 4, 2026 PForm 4 →Sep 9, 4:05 pm EDTCytosorbents CorpCTSO200,000$0.35$70,0001,944,432+11.5%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.