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 1-30 of 80
Date 12 Jun 2026
Insider YAN, MINGDirector, CHIEF TECHNOLOGY OFFICER
Side Disposal
Shares 135892
Price 0.00
Value 0
Security Common Stock
Date 10 Jun 2026
Insider BALL, JACKDirector
Side Acquisition
Shares 43973
Price -
Value -
Security Common Stock
Date 10 Jun 2026
Insider HOLDER, MICHAELDirector
Side Acquisition
Shares 43973
Price -
Value -
Security Common Stock
Date 10 Jun 2026
Insider IMPER, VERADirector
Side Acquisition
Shares 43973
Price -
Value -
Security Common Stock
Date 10 Jun 2026
Insider NEFF, DEBORAH JDirector
Side Acquisition
Shares 43973
Price -
Value -
Security Common Stock
Date 10 Jun 2026
Insider BALL, JACKDirector
Side Disposal
Shares 43973
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider CHIN, RICHARDDirector
Side Acquisition
Shares 33333
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider CHIN, RICHARDDirector
Side Acquisition
Shares 18261
Price 0.00
Value 0
Security Director Stock Option (right to buy)
Date 10 Jun 2026
Insider HOLDER, MICHAELDirector
Side Acquisition
Shares 18261
Price 0.00
Value 0
Security Director Stock Option (right to buy)
Date 10 Jun 2026
Insider HOLDER, MICHAELDirector
Side Acquisition
Shares 33333
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider HOLDER, MICHAELDirector
Side Disposal
Shares 43973
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider IMPER, VERADirector
Side Acquisition
Shares 33333
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider IMPER, VERADirector
Side Acquisition
Shares 18261
Price 0.00
Value 0
Security Director Stock Option (right to buy)
Date 10 Jun 2026
Insider IMPER, VERADirector
Side Disposal
Shares 43973
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider MUIR, GLENN PDirector
Side Acquisition
Shares 29835
Price 0.00
Value 0
Security Director Stock Option (right to buy)
Date 10 Jun 2026
Insider MUIR, GLENN PDirector
Side Acquisition
Shares 55555
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider NEFF, DEBORAH JDirector
Side Acquisition
Shares 33333
Price 0.00
Value 0
Security Restricted Stock Units
Date 10 Jun 2026
Insider NEFF, DEBORAH JDirector
Side Acquisition
Shares 18261
Price 0.00
Value 0
Security Director Stock Option (right to buy)
Date 10 Jun 2026
Insider NEFF, DEBORAH JDirector
Side Disposal
Shares 43973
Price 0.00
Value 0
Security Restricted Stock Units
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Acquisition
Shares 2454
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Acquisition
Shares 5156
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Acquisition
Shares 9435
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BARNETT, VALERIECHIEF LEGAL OFFICER
Side Acquisition
Shares 7250
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Acquisition
Shares 5551
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Acquisition
Shares 1473
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Acquisition
Shares 2416
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider BUSQUE, PHILIPPESVP, GLOBAL SALES AND SERVICES
Side Acquisition
Shares 1024
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider CHIN, RICHARDDirector
Side Acquisition
Shares 6107
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider HOLDER, MICHAELDirector
Side Acquisition
Shares 1454
Price -
Value -
Security Common Stock
Date 18 May 2026
Insider JIANG, WENBINDirector, PRESIDENT AND CEO
Side Acquisition
Shares 19334
Price -
Value -
Security Common Stock