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Cytek Biosciences, Inc.

CTKB No buying or selling

CIK 0001831915 #2941 in the set updated 18 Sep 2026

Bought (1 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (1 mo)

$0.00

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$0.00

0 of 0 sales

Net

$0.00

$0.00 against sales at will

By person

13 insiders · 0 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Jiang Wenbin

PRESIDENT AND CEO

—

5,561,029

4.28%

$15.46M

+7.8%

Yan Ming

CHIEF TECHNOLOGY OFFICER

—

4,821,870

3.71%

$13.40M

−19.7%

Barnett Valerie

CHIEF LEGAL OFFICER

—

150,012

0.1154%

$417.03K

+178.2%

McCombe William D.

Chief Financial Officer

—

134,693

0.1036%

$374.45K

—

Ball Jack

Director

—

86,678

0.0667%

$240.96K

+221.0%

Holder Michael

Director

—

62,875

0.0484%

$174.79K

+4,224%

Poirson Allen

SVP BUS. AND CORP. DEV.

—

59,981

0.0461%

$166.75K

+5.6%

Imper Vera

Director

—

59,679

0.0459%

$165.91K

—

NEFF DEBORAH J

Director

—

59,679

0.0459%

$165.91K

—

Busque Philippe

SVP, GLOBAL SALES AND SERVICES

—

43,466

0.0334%

$120.84K

+310.6%

Chin Richard

Director

—

28,499

0.0219%

$79.23K

—

HARDISON DON M

Director

—

15,706

0.0121%

$43.66K

—

MUIR GLENN P

Director

—

3,086

0.0024%

$8.58K

—

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 6

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 256,420

History held since 26 Jul 2021