Form4insider filings, from the source

Insider · CIK 0001873083

Jack Ball

Files at: CTKB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 10, 2026 MForm 4 →Jun 12, 7:34 pm EDTCytek Biosciences, Inc.CTKB43,973——86,678—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 10, 2026 MForm 4 →Jun 12, 7:34 pm EDTCytek Biosciences, Inc.CTKB43,973——0—