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Insider Activity
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Daily Briefing
Market Pulse
Insider Activity
Rare Buys
Institutional Holdings
Sentiment
AI Capex Stress
About
← Companies
Graph
Table
CTKB
Cytek Biosciences, Inc.
SEC EDGAR ↗
Insider Activity Table
Total Insiders
12
Total Shares Held
11.6M
Latest Quarter Net
+0
Insider positions and quarterly net share changes
Insider · 12 positions
Net Shares per Quarter (+ Bought / − Sold)
Name
Role
Shares Held ↑
Q3 2026
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Q4 2023
Q3 2023
Q2 2023
Q1 2023
Q4 2022
Richard Chin
45K
—
+52K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Glenn P Muir
52K
—
+85K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Vera Imper
60K
—
+52K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Deborah J Neff
60K
—
+52K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Michael Holder
63K
—
+52K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Jack Ball
87K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Philippe Busque
SVP, GLOBAL SALES AND SERVICES
128K
—
-3K
+201K
—
—
—
—
—
—
—
—
—
—
—
—
—
Valerie Barnett
CHIEF LEGAL OFFICER
217K
—
-9K
+334K
—
—
—
—
—
—
—
—
—
—
—
—
—
William D. Mccombe
Chief Financial Officer
230K
-12K
-9K
+383K
—
—
—
—
—
—
—
—
—
—
—
—
—
Ilan Feuchtwang
Chief Legal Officer, Secretary
241K
+369K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ming Yan
CHIEF TECHNOLOGY OFFICER
4.8M
-8K
-141K
-836K
-5K
—
—
—
—
—
—
—
—
—
—
—
—
Wenbin Jiang
PRESIDENT AND CEO
5.6M
-36K
-26K
+1.4M
—
—
—
—
—
—
—
—
—
—
—
—
—
12 insiders · 16 quarters shown