Philippe Busque

SVP, GLOBAL SALES AND SERVICES · 1 filing · Latest: May 18, 2026

Cytek Biosciences, Inc.

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
CTKB	Philippe Busque	SVP, GLOBAL SALES AND SERVICES	May 18, 2026	Tax Withholding	$3.55	2,685	$9.5K	43,466	May 20 5:53 PM
CTKB	Philippe Busque	SVP, GLOBAL SALES AND SERVICES	May 18, 2026	Option Exercise	—	10,464	—	44,890	May 20 5:53 PM