Form4insider filings, from the source

Insider · CIK 0001181190

Glenn P Muir

Files at: CTKB, STIM, GTHX, RGEN, LFWD. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 MForm 4 →Aug 20, 4:31 pm EDTCytek Biosciences, Inc.CTKB3,086——3,086—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 MForm 4 →Aug 20, 4:31 pm EDTCytek Biosciences, Inc.CTKB3,086——52,469—
Jun 10, 2026 AForm 4 →Jun 12, 7:31 pm EDTCytek Biosciences, Inc.CTKB85,390——29,835—