McCombe William D. - Insider Non-Derivative Transactions at Cytek Biosciences, Inc. (CTKB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 18, 2025, McCombe William D.'s relationship to Cytek Biosciences, Inc. (CTKB) is Officer (Chief Financial Officer), and currently has 84,910 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other CTKB insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

McCombe William D. - Insider Non-Derivative Transactions of CTKB Common Stock

McCombe William D. - Insider Non-Derivative Transactions at CTKB

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 19, 2025	F -- (Common Stock)	2032	5.53	71859
Nov 19, 2025	M -- (Common Stock)	6320	0	73891
Nov 19, 2025	F -- (Common Stock)	4196	5.53	80714
Nov 19, 2025	M -- (Common Stock)	13051	0	84910
Aug 19, 2025	F -- (Common Stock)	2462	4.06	59604
Aug 19, 2025	M -- (Common Stock)	6320	0	62066
Aug 19, 2025	F -- (Common Stock)	5084	4.06	67571
Aug 19, 2025	M -- (Common Stock)	13051	0	72655
Jun 3, 2025	P -- (Common Stock)	35000	2.78	55746
May 20, 2025	F -- (Common Stock)	9848	2.69	15435
May 20, 2025	F -- (Common Stock)	3389	2.69	20746
May 20, 2025	M -- (Common Stock)	8700	0	24135
May 20, 2025	M -- (Common Stock)	25283	0	25283