Allen Poirson

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
18 Nov 24	CTKB Cytek Biosciences	Common Stock	Payment of exercise	Dispose F	No	No	6.03	732	4.41 k	59,981
18 Nov 24	CTKB Cytek Biosciences	Common Stock	Option exercise	Acquire M	No	No	0	1,878	0.00	60,713
18 Nov 24	CTKB Cytek Biosciences	Common Stock	Payment of exercise	Dispose F	No	No	6.03	975	5.88 k	58,835
18 Nov 24	CTKB Cytek Biosciences	Common Stock	Option exercise	Acquire M	No	No	0	2,503	0.00	59,810
18 Nov 24	CTKB Cytek Biosciences	Common Stock	Payment of exercise	Dispose F	No	No	6.03	308	1.86 k	57,307
18 Nov 24	CTKB Cytek Biosciences	Common Stock	Option exercise	Acquire M	No	No	0	790	0.00	57,615
18 Nov 24	CTKB Cytek Biosciences	RSU Common Stock	Option exercise	Dispose M	No	No	0	1,878	0.00	25,048
18 Nov 24	CTKB Cytek Biosciences	RSU Common Stock	Option exercise	Dispose M	No	No	0	2,503	0.00	23,368
18 Nov 24	CTKB Cytek Biosciences	RSU Common Stock	Option exercise	Dispose M	No	No	0	790	0.00	3,693
19 Aug 24	CTKB Cytek Biosciences	Common Stock	Payment of exercise	Dispose F	No	No	5.53	732	4.05 k	56,825

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.