Jiang Wenbin (CIK 1872873) reported 52 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-20). Recent activity: Buy CTKB (11,781 shares), Sell CTKB (2,869 shares), Buy CTKB (22,100 shares), Sell CTKB (5,382 shares), Buy CTKB (29,002 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 11,781 | $0 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 2,869 | $13,398 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 22,100 | $0 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 5,382 | $25,134 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 29,002 | $0 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 7,062 | $32,980 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 57,212 | $0 |
| 2026-08-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 20,956 | $97,865 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 19,334 | $0 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 1,913 | $6,791 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 14,733 | $0 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 3,588 | $12,737 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 7,854 | $0 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 5,032 | $17,864 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 38,141 | $0 |
| 2026-05-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 15,009 | $53,282 |
| 2026-03-12 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 15,708 | $0 |
| 2026-03-12 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 3,825 | $16,180 |
| 2026-03-12 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 29,467 | $0 |
| 2026-03-12 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 7,747 | $32,770 |
| 2026-03-12 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 38,669 | $0 |
| 2026-03-12 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 9,416 | $39,830 |
| 2026-02-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 4,514 | $0 |
| 2026-02-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Sell | 1,339 | $5,624 |
| 2025-11-20 | Cytek Biosciences, Inc. (CTKB) | PRESIDENT AND CEO | Buy | 6,758 | $0 |
Source: SEC Form 4 filings · as of 2026-08-20