Updated Jul 16, 2026
Jiang Wenbin has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 15.0K | $3.55 | $53K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 38.1K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 5.0K | $3.55 | $18K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 19.3K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 3.6K | $3.55 | $13K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 14.7K | — | |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.9K | $3.55 | $7K |
| 2026-05-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 7.9K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 9.4K | $4.23 | $40K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 38.7K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 7.7K | $4.23 | $33K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 29.5K | — | |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 3.8K | $4.23 | $16K |
| 2026-03-12 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 15.7K | — | |
| 2026-02-20 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 1.3K | $4.20 | $6K |
| 2026-02-20 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 4.5K | — | |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 7.1K | $4.06 | $29K |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 29.0K | — | |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | F — Tax withholding / forfeiture | 5.4K | $4.06 | $22K |
| 2025-08-18 | CTKB | Cytek Biosciences, Inc. | M — Option exercise | 22.1K | — |
Jiang Wenbin is a corporate insider — currently tracked as Insider of Cytek Biosciences, Inc. (CTKB). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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