MarketPeel
Insider Trading Intelligence
Chief Financial Officer
Mon, May 18, 2026
May 18
sold $13.63k of CTKB
3,839 shares @ $3.55
Decreased holdings by -3.30%
6th largest trade (out of 40)
Cluster Buy
Trade made by an officer
Part of a cluster of 19 transactions by 7 insiders
Price 21% below 200-day moving average
Small Cap stock — insider trades carry more weight
CTKBCytek Biosciences, Inc.
HealthcareMedical Devices
1D0.00%
1W+2.46%
1M+6.00%
3M
6M
1Y

Recent insider activity at CTKB

Full CTKB profile →McCombe William D.’s trading history →
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