Company Insider Tape

Cytek Biosciences Inc insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol CTKB Latest filing 12 Jun 2026

Company Read

Net disposal

CTKB has 80 stored insider filings. Acquisitions account for 43.8% of classified filings and disposals account for 56.2%. The largest stored filing is $53.3K from JIANG, WENBIN.

Latest filing 12 Jun 2026most recent stored row
Largest filing $53.3Kreported transaction value
Total filings 80stored transaction rows
Acquisition value $035 acquisitions
Disposal value $183.6K45 disposals
Net value $-183.6Kacquisitions minus disposals

Filing cadence

Last 12 active months
May 2026 61
Jun 2026 19

Acquisitions 43.8% · Disposals 56.2%

May 2026 $183.6K
Jun 2026 $0

Executive concentration

By filing count
YAN, MING Director, CHIEF TECHNOLOGY OFFICER · 13 filings
JIANG, WENBIN Director, PRESIDENT AND CEO · 12 filings
BARNETT, VALERIE CHIEF LEGAL OFFICER · 12 filings
BUSQUE, PHILIPPE SVP, GLOBAL SALES AND SERVICES · 12 filings
MCCOMBE, WILLIAM D. Chief Financial Officer · 9 filings
HOLDER, MICHAEL Director · 6 filings
IMPER, VERA Director · 4 filings
CHIN, RICHARD Director · 4 filings

Market Context

CTKB weekly market snapshot

Week 31 Jul 2026
Latest close 4.22 USDstored weekly close
1-week move -5.4%latest weekly bar
13-week move -8.1%medium-term context
Relative Strength -13.5Sharemaestro indicator
Fair value gap -20.9%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for CTKB

Showing 31-60 of 80
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Acquisition
Shares 7854
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Acquisition
Shares 38141
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Acquisition
Shares 14733
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider MCCOMBE, WILLIAM D.Chief Financial Officer
Side Acquisition
Shares 6320
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider MCCOMBE, WILLIAM D.Chief Financial Officer
Side Acquisition
Shares 8700
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider MCCOMBE, WILLIAM D.Chief Financial Officer
Side Acquisition
Shares 10699
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Acquisition
Shares 3683
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Acquisition
Shares 9480
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Acquisition
Shares 4108
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Acquisition
Shares 4908
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Disposal
Shares 15009
Price 3.55
Value 53282
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Disposal
Shares 5032
Price 3.55
Value 17864
Security Common Stock
Date 18 May 2026
Insider MCCOMBE, WILLIAM D.Chief Financial Officer
Side Disposal
Shares 3839
Price 3.55
Value 13628
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Disposal
Shares 3588
Price 3.55
Value 12737
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Disposal
Shares 3386
Price 3.55
Value 12020
Security Common Stock
Date 18 May 2026
Insider MCCOMBE, WILLIAM D.Chief Financial Officer
Side Disposal
Shares 3122
Price 3.55
Value 11083
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Disposal
Shares 2602
Price 3.55
Value 9237
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Disposal
Shares 2364
Price 3.55
Value 8392
Security Common Stock
Date 18 May 2026
Insider MCCOMBE, WILLIAM D.Chief Financial Officer
Side Disposal
Shares 2268
Price 3.55
Value 8051
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Disposal
Shares 1913
Price 3.55
Value 6791
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Disposal
Shares 1850
Price 3.55
Value 6568
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Disposal
Shares 1424
Price 3.55
Value 5055
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Disposal
Shares 1224
Price 3.55
Value 4345
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Disposal
Shares 1025
Price 3.55
Value 3639
Security Common Stock
Date 18 May 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Disposal
Shares 919
Price 3.55
Value 3262
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Disposal
Shares 881
Price 3.55
Value 3128
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Disposal
Shares 620
Price 3.55
Value 2201
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Disposal
Shares 378
Price 3.55
Value 1342
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Disposal
Shares 263
Price 3.55
Value 934
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Disposal
Shares 9435
Price 0.00
Value 0
Security Restricted Stock Units