INSIDER
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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Corporate insider
JW

Jiang Wenbin

Director, PRESIDENT AND CEOCIK 0001872873

EDGAR filingsOpen in network
Disclosed transactions36
Buys / sells0 / 0
Max Insider Score21
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
57.2K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    Cytek Biosciences, Inc.Director, PRESIDENT AND CEO · Nov 20, 2025
13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M
—
29.0K sh
Aug 18, 2026
Aug 20, 2026
traded Aug 18, 2026
+2d
SEC FORM 4

Evidence

13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
22.1K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

21
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
11.8K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

12
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$98K
21.0K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
57.2K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
29.0K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$33K
7,062 sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$25K
5,382 sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
22.1K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
11.8K sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$13K
2,869 sh
Aug 18, 2026Aug 20, 2026
traded Aug 18, 2026
+2dSEC FORM 4

Evidence

13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
19.3K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
7,854 sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$6,791
1,913 sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
14.7K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$13K
3,588 sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$18K
5,032 sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
38.1K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

12
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$53K
15.0K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

17
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
7,854 sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
38.1K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
14.7K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
19.3K sh
May 18, 2026May 20, 2026
traded May 18, 2026
+2dSEC FORM 4

Evidence

12
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$63K
11.4K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
29.0K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

13
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
22.1K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

17
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
11.8K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
6,758 sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
29.0K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$48K
8,697 sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$26K
4,636 sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
6,758 sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
22.1K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Option exercise
M—
11.8K sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence

9
JW
Jiang WenbinDirector, PRESIDENT AND CEO
CTKBCytek Biosciences, Inc.
Tax withholding
F$15K
2,660 sh
Nov 18, 2025Nov 20, 2025
traded Nov 18, 2025
+2dSEC FORM 4

Evidence