CTKB

Cytek Biosciences, Inc.

Insider trading activity for Cytek Biosciences, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 18	McCombe William D.	Chief Financial Officer	MEXER◆	16,049	—	—	—	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	MEXER◆	13,051	—	—	—	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	MEXER◆	6,320	—	—	—	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	FTAX	5,401	$4.67	$25.2K	-3.9%	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	MEXER	16,049	—	—	+12.9%	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	FTAX	4,392	$4.67	$20.5K	-3.4%	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	MEXER	13,051	—	—	+11.3%	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	FTAX	2,111	$4.67	$9.9K	-1.8%	Open the original filing on SEC.gov
Aug 18	McCombe William D.	Chief Financial Officer	MEXER	6,320	—	—	+5.7%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER◆	57,212	—	—	—	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER◆	29,002	—	—	—	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER◆	22,100	—	—	—	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER◆	11,781	—	—	—	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	FTAX	20,956	$4.67	$97.9K	-0.4%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER	57,212	—	—	+1.0%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	FTAX	7,062	$4.67	$33K	-0.1%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER	29,002	—	—	+0.5%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	FTAX	5,382	$4.67	$25.1K	-0.1%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER	22,100	—	—	+0.4%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	FTAX	2,869	$4.67	$13.4K	<0.1%	Open the original filing on SEC.gov
Aug 18	Jiang Wenbin	President and CEO	MEXER	11,781	—	—	+0.2%	Open the original filing on SEC.gov
Aug 18	Muir Glenn P	Director	MEXER◆	3,086	—	—	—	Open the original filing on SEC.gov
Aug 18	Muir Glenn P	Director	MEXER	3,086	—	—	—	Open the original filing on SEC.gov
Aug 18	Holder Michael	Director	MEXER◆	2,181	—	—	—	Open the original filing on SEC.gov
Aug 18	Holder Michael	Director	MEXER	2,181	—	—	+3.6%	Open the original filing on SEC.gov
Aug 18	Chin Richard	Director	MEXER◆	6,107	—	—	—	Open the original filing on SEC.gov
Aug 18	Chin Richard	Director	MEXER	6,107	—	—	+27.3%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER◆	14,220	—	—	—	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER◆	6,162	—	—	—	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER◆	5,525	—	—	—	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER◆	7,363	—	—	—	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	FTAX	3,463	$4.67	$16.2K	<0.1%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER	14,220	—	—	+0.3%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	FTAX	1,501	$4.67	$7K	<0.1%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER	6,162	—	—	+0.1%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	FTAX	1,346	$4.67	$6.3K	<0.1%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER	5,525	—	—	+0.1%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	FTAX	1,778	$4.67	$8.3K	<0.1%	Open the original filing on SEC.gov
Aug 18	Yan Ming	Chief Technology Officer	MEXER	7,363	—	—	+0.1%	Open the original filing on SEC.gov
Aug 10	Feuchtwang Ilan	Chief Legal Officer,…	AGRANT◆	127,118	—	—	—	Open the original filing on SEC.gov
Aug 10	Feuchtwang Ilan	Chief Legal Officer,…	AGRANT◆	241,416	—	—	—	Open the original filing on SEC.gov
Jun 12	Yan Ming	Chief Technology Officer	GGIFT	135,892	—	—	-2.8%	Open the original filing on SEC.gov
Jun 10	Imper Vera	Director	MEXER◆	43,973	—	—	—	Open the original filing on SEC.gov
Jun 10	Imper Vera	Director	AGRANT◆	18,261	—	—	—	Open the original filing on SEC.gov
Jun 10	Imper Vera	Director	AGRANT◆	33,333	—	—	—	Open the original filing on SEC.gov
Jun 10	Imper Vera	Director	MEXER	43,973	—	—	+280.0%	Open the original filing on SEC.gov
Jun 10	Holder Michael	Director	MEXER◆	43,973	—	—	—	Open the original filing on SEC.gov
Jun 10	Holder Michael	Director	AGRANT◆	18,261	—	—	—	Open the original filing on SEC.gov
Jun 10	Holder Michael	Director	AGRANT◆	33,333	—	—	—	Open the original filing on SEC.gov
Jun 10	Holder Michael	Director	MEXER	43,973	—	—	+263.0%	Open the original filing on SEC.gov
Jun 10	Neff Deborah J	Director	MEXER◆	43,973	—	—	—	Open the original filing on SEC.gov
Jun 10	Neff Deborah J	Director	AGRANT◆	18,261	—	—	—	Open the original filing on SEC.gov
Jun 10	Neff Deborah J	Director	AGRANT◆	33,333	—	—	—	Open the original filing on SEC.gov
Jun 10	Neff Deborah J	Director	MEXER	43,973	—	—	+280.0%	Open the original filing on SEC.gov
Jun 10	Muir Glenn P	Director	AGRANT◆	29,835	—	—	—	Open the original filing on SEC.gov
Jun 10	Muir Glenn P	Director	AGRANT◆	55,555	—	—	—	Open the original filing on SEC.gov
Jun 10	Chin Richard	Director	AGRANT◆	18,261	—	—	—	Open the original filing on SEC.gov
Jun 10	Chin Richard	Director	AGRANT◆	33,333	—	—	—	Open the original filing on SEC.gov
Jun 10	Ball Jack	Director	MEXER◆	43,973	—	—	—	Open the original filing on SEC.gov
Jun 10	Ball Jack	Director	MEXER	43,973	—	—	+103.0%	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	MEXER◆	10,699	—	—	—	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	MEXER◆	8,700	—	—	—	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	MEXER◆	6,320	—	—	—	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	FTAX	3,839	$3.55	$13.6K	-3.3%	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	MEXER	10,699	—	—	+10.3%	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	FTAX	3,122	$3.55	$11.1K	-2.9%	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	MEXER	8,700	—	—	+8.8%	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	FTAX	2,268	$3.55	$8.1K	-2.3%	Open the original filing on SEC.gov
May 18	McCombe William D.	Chief Financial Officer	MEXER	6,320	—	—	+6.7%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER◆	9,480	—	—	—	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER◆	4,108	—	—	—	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER◆	3,683	—	—	—	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER◆	4,908	—	—	—	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	FTAX	2,364	$3.55	$8.4K	<0.1%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER	9,480	—	—	+0.2%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	FTAX	1,025	$3.55	$3.6K	<0.1%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER	4,108	—	—	+<0.1%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	FTAX	919	$3.55	$3.3K	<0.1%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER	3,683	—	—	+<0.1%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	FTAX	1,224	$3.55	$4.3K	<0.1%	Open the original filing on SEC.gov
May 18	Yan Ming	Chief Technology Officer	MEXER	4,908	—	—	+0.1%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER◆	38,141	—	—	—	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER◆	19,334	—	—	—	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER◆	14,733	—	—	—	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER◆	7,854	—	—	—	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	FTAX	15,009	$3.55	$53.3K	-0.3%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER	38,141	—	—	+0.7%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	FTAX	5,032	$3.55	$17.9K	<0.1%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER	19,334	—	—	+0.4%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	FTAX	3,588	$3.55	$12.7K	<0.1%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER	14,733	—	—	+0.3%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	FTAX	1,913	$3.55	$6.8K	<0.1%	Open the original filing on SEC.gov
May 18	Jiang Wenbin	President and CEO	MEXER	7,854	—	—	+0.1%	Open the original filing on SEC.gov
May 18	Holder Michael	Director	MEXER◆	1,454	—	—	—	Open the original filing on SEC.gov
May 18	Holder Michael	Director	MEXER	1,454	—	—	+9.5%	Open the original filing on SEC.gov
May 18	Chin Richard	Director	MEXER◆	6,107	—	—	—	Open the original filing on SEC.gov
May 18	Chin Richard	Director	MEXER	6,107	—	—	+37.5%	Open the original filing on SEC.gov
May 18	Busque Philippe	SVP, Global Sales and…	MEXER◆	5,551	—	—	—	Open the original filing on SEC.gov
May 18	Busque Philippe	SVP, Global Sales and…	MEXER◆	2,416	—	—	—	Open the original filing on SEC.gov
May 18	Busque Philippe	SVP, Global Sales and…	MEXER◆	1,473	—	—	—	Open the original filing on SEC.gov

MEXER◆—

McCombe William D. · Chief Financial…Aug 18

16,049 sh

MEXER◆—

McCombe William D. · Chief Financial…Aug 18

13,051 sh

MEXER◆—

McCombe William D. · Chief Financial…Aug 18

6,320 sh

FTAX$25.2K

McCombe William D. · Chief Financial…Aug 18

5,401 sh @ $4.67 · -3.9% own

MEXER—

McCombe William D. · Chief Financial…Aug 18

16,049 sh · +12.9% own

FTAX$20.5K

McCombe William D. · Chief Financial…Aug 18

4,392 sh @ $4.67 · -3.4% own

MEXER—

McCombe William D. · Chief Financial…Aug 18

13,051 sh · +11.3% own

FTAX$9.9K

McCombe William D. · Chief Financial…Aug 18

2,111 sh @ $4.67 · -1.8% own

MEXER—

McCombe William D. · Chief Financial…Aug 18

6,320 sh · +5.7% own

MEXER◆—

Jiang Wenbin · President and CEOAug 18

57,212 sh

MEXER◆—

Jiang Wenbin · President and CEOAug 18

29,002 sh

MEXER◆—

Jiang Wenbin · President and CEOAug 18

22,100 sh

MEXER◆—

Jiang Wenbin · President and CEOAug 18

11,781 sh

FTAX$97.9K

Jiang Wenbin · President and CEOAug 18

20,956 sh @ $4.67 · -0.4% own

MEXER—

Jiang Wenbin · President and CEOAug 18

57,212 sh · +1.0% own

FTAX$33K

Jiang Wenbin · President and CEOAug 18

7,062 sh @ $4.67 · -0.1% own

MEXER—

Jiang Wenbin · President and CEOAug 18

29,002 sh · +0.5% own

FTAX$25.1K

Jiang Wenbin · President and CEOAug 18

5,382 sh @ $4.67 · -0.1% own

MEXER—

Jiang Wenbin · President and CEOAug 18

22,100 sh · +0.4% own

FTAX$13.4K

Jiang Wenbin · President and CEOAug 18

2,869 sh @ $4.67 · <0.1% own

MEXER—

Jiang Wenbin · President and CEOAug 18

11,781 sh · +0.2% own

MEXER◆—

Muir Glenn P · DirectorAug 18

3,086 sh

MEXER—

Muir Glenn P · DirectorAug 18

3,086 sh

MEXER◆—

Holder Michael · DirectorAug 18

2,181 sh

MEXER—

Holder Michael · DirectorAug 18

2,181 sh · +3.6% own

MEXER◆—

Chin Richard · DirectorAug 18

6,107 sh

MEXER—

Chin Richard · DirectorAug 18

6,107 sh · +27.3% own

MEXER◆—

Yan Ming · Chief Technology…Aug 18

14,220 sh

MEXER◆—

Yan Ming · Chief Technology…Aug 18

6,162 sh

MEXER◆—

Yan Ming · Chief Technology…Aug 18

5,525 sh

MEXER◆—

Yan Ming · Chief Technology…Aug 18

7,363 sh

FTAX$16.2K

Yan Ming · Chief Technology…Aug 18

3,463 sh @ $4.67 · <0.1% own

MEXER—

Yan Ming · Chief Technology…Aug 18

14,220 sh · +0.3% own

FTAX$7K

Yan Ming · Chief Technology…Aug 18

1,501 sh @ $4.67 · <0.1% own

MEXER—

Yan Ming · Chief Technology…Aug 18

6,162 sh · +0.1% own

FTAX$6.3K

Yan Ming · Chief Technology…Aug 18

1,346 sh @ $4.67 · <0.1% own

MEXER—

Yan Ming · Chief Technology…Aug 18

5,525 sh · +0.1% own

FTAX$8.3K

Yan Ming · Chief Technology…Aug 18

1,778 sh @ $4.67 · <0.1% own

MEXER—

Yan Ming · Chief Technology…Aug 18

7,363 sh · +0.1% own

AGRANT◆—

Feuchtwang Ilan · Chief Legal…Aug 10

127,118 sh

AGRANT◆—

Feuchtwang Ilan · Chief Legal…Aug 10

241,416 sh

GGIFT—

Yan Ming · Chief Technology…Jun 12

135,892 sh · -2.8% own

MEXER◆—

Imper Vera · DirectorJun 10

43,973 sh

AGRANT◆—

Imper Vera · DirectorJun 10

18,261 sh

AGRANT◆—

Imper Vera · DirectorJun 10

33,333 sh

MEXER—

Imper Vera · DirectorJun 10

43,973 sh · +280.0% own

MEXER◆—

Holder Michael · DirectorJun 10

43,973 sh

AGRANT◆—

Holder Michael · DirectorJun 10

18,261 sh

AGRANT◆—

Holder Michael · DirectorJun 10

33,333 sh

MEXER—

Holder Michael · DirectorJun 10

43,973 sh · +263.0% own

MEXER◆—

Neff Deborah J · DirectorJun 10

43,973 sh

AGRANT◆—

Neff Deborah J · DirectorJun 10

18,261 sh

AGRANT◆—

Neff Deborah J · DirectorJun 10

33,333 sh

MEXER—

Neff Deborah J · DirectorJun 10

43,973 sh · +280.0% own

AGRANT◆—

Muir Glenn P · DirectorJun 10

29,835 sh

AGRANT◆—

Muir Glenn P · DirectorJun 10

55,555 sh

AGRANT◆—

Chin Richard · DirectorJun 10

18,261 sh

AGRANT◆—

Chin Richard · DirectorJun 10

33,333 sh

MEXER◆—

Ball Jack · DirectorJun 10

43,973 sh

MEXER—

Ball Jack · DirectorJun 10

43,973 sh · +103.0% own

MEXER◆—

McCombe William D. · Chief Financial…May 18

10,699 sh

MEXER◆—

McCombe William D. · Chief Financial…May 18

8,700 sh

MEXER◆—

McCombe William D. · Chief Financial…May 18

6,320 sh

FTAX$13.6K

McCombe William D. · Chief Financial…May 18

3,839 sh @ $3.55 · -3.3% own

MEXER—

McCombe William D. · Chief Financial…May 18

10,699 sh · +10.3% own

FTAX$11.1K

McCombe William D. · Chief Financial…May 18

3,122 sh @ $3.55 · -2.9% own

MEXER—

McCombe William D. · Chief Financial…May 18

8,700 sh · +8.8% own

FTAX$8.1K

McCombe William D. · Chief Financial…May 18

2,268 sh @ $3.55 · -2.3% own

MEXER—

McCombe William D. · Chief Financial…May 18

6,320 sh · +6.7% own

MEXER◆—