Form4insider filings, from the source

Insider · CIK 0001878824

William D. McCombe

Files at: CTKB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 FMForm 4 →Aug 20, 4:34 pm EDTCytek Biosciences, Inc.CTKB47,324$4.67$55,592134,693—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 MForm 4 →Aug 20, 4:34 pm EDTCytek Biosciences, Inc.CTKB35,420——230,042—