Insiders / Jiang Wenbin
Jiang Wenbin
CIK 1872873personinsider
Companies
1
First seen
Feb 20, 2026
Last activity
Mar 12, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Cytek Biosciences, Inc. · CTKB | 5,422,683 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Cytek Biosciences, Inc. | Common Stock | 5,422,683 |
| Cytek Biosciences, Inc. | Employee Stock Option (right to buy)Derivative | 485,545 |
| Cytek Biosciences, Inc. | Restricted Stock UnitsDerivative | 348,030 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 10, 2026 | Other | CTKB Cytek Biosciences, Inc. Common Stock | $39.8K | -9K -0.17% | 5,422,683 4.17% of shares | low |
| Mar 10, 2026 | Other | CTKB Cytek Biosciences, Inc. Common Stock | $32.8K | -8K -0.14% | 5,393,430 4.15% of shares | low |
| Mar 10, 2026 | Other | CTKB Cytek Biosciences, Inc. Common Stock | $16.2K | -4K -0.07% | 5,371,710 4.13% of shares | low |
| Feb 18, 2026 | Other | CTKB Cytek Biosciences, Inc. Common Stock | $5.6K | -1K -0.03% | 5,359,827 4.12% of shares | low |
| Mar 10, 2026 | Exercise | CTKB Cytek Biosciences, Inc. Restricted Stock Units | — | -39K -10.00% | 348,030 0.27% of shares | low |
| Mar 10, 2026 | Exercise | CTKB Cytek Biosciences, Inc. Restricted Stock Units | — | -29K -14.29% | 176,806 0.14% of shares | low |
| Mar 10, 2026 | Exercise | CTKB Cytek Biosciences, Inc. Restricted Stock Units | — | -16K -25.00% | 47,129 0.04% of shares | low |
| Mar 10, 2026 | Grant | CTKB Cytek Biosciences, Inc. Restricted Stock Units | — | +915K | 915,407 0.70% of shares | low |
| Mar 10, 2026 | Grant | CTKB Cytek Biosciences, Inc. Employee Stock Option (right to buy) | — | +486K | 485,545 0.37% of shares | low |
| Mar 10, 2026 | Exercise | CTKB Cytek Biosciences, Inc. Common Stock | — | +39K +0.72% | 5,432,099 4.18% of shares | low |