Jiang Wenbin
SEC CIK 1872873 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CTKB | Cytek Biosciences, Inc. | Pres, CEO, Dir | 5.58M | — | $4.67M | 70 | 2021-07-22 | 2026-08-18 |
Most active insiders at CTKB, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Busque Philippe | SVP, Gbl SALES AND SERVICES | — | — |
| 2 | Imper Vera | Dir | — | — |
| 3 | McCombe William D. | CFO | — | — |
| 4 | Yan Ming | CTO, Dir | — | — |
| 5 | Barnett Valerie | CLO | — | — |
| 6 | Ball Jack | Dir | — | — |
| 7 | Jiang Wenbin | Pres AND CEO, Dir | — | — |
| 8 | Holder Michael | Dir | — | — |
| 9 | Chin Richard | Dir | — | — |
| 10 | NEFF DEBORAH J | Dir | — | — |
Transactions 70
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-20 16:35 | 2026-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +120.1K | 5.58M | +2% | — |
| DM | 2026-08-20 16:35 | 2026-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $4.67 | -36.3K | 5.56M | -0.6% | -$169.4K |
| DM | 2026-05-20 17:50 | 2026-05-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +80.1K | 5.49M | +1% | — |
| DM | 2026-05-20 17:50 | 2026-05-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $3.55 | -25.5K | 5.48M | -0.5% | -$90.7K |
| DM | 2026-03-12 | 2026-03-10 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +83.8K | 5.40M | +2% | — |
| DM | 2026-03-12 | 2026-03-10 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $4.23 | -21.0K | 5.39M | -0.4% | -$88.8K |
| D | 2026-02-20 | 2026-02-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +4,514 | 5.36M | +0.1% | — |
| D | 2026-02-20 | 2026-02-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $4.20 | -1,339 | 5.36M | -0.0% | -$5,624 |
| DM | 2025-11-20 | 2025-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +69.6K | 5.37M | +1% | — |
| DM | 2025-11-20 | 2025-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $5.53 | -27.4K | 5.34M | -0.5% | -$151.6K |
| DM | 2025-08-20 | 2025-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $4.06 | -17.0K | 5.27M | -0.3% | -$68.9K |
| DM | 2025-08-20 | 2025-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +69.6K | 5.28M | +1% | — |
| DM | 2025-05-21 | 2025-05-19 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +48.7K | 5.25M | +0.9% | — |
| DM | 2025-05-21 | 2025-05-19 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $2.69 | -11.9K | 5.23M | -0.2% | -$31.9K |
| DM | 2025-03-12 | 2025-03-10 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +45.2K | 5.23M | +0.9% | — |
| DM | 2025-03-12 | 2025-03-10 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $4.36 | -12.7K | 5.20M | -0.2% | -$55.2K |
| D | 2025-02-20 | 2025-02-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +6,758 | 5.19M | +0.1% | — |
| D | 2025-02-20 | 2025-02-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $5.31 | -2,004 | 5.19M | -0.0% | -$10.6K |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +40.6K | 5.16M | +0.8% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $6.03 | -9,897 | 5.19M | -0.2% | -$59.7K |
| 2024-09-16 | 2024-09-14 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | G - Gift | $0.00 | -200.0K | 5.16M | -4% | $0 | |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +40.6K | 5.34M | +0.8% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $5.53 | -9,897 | 5.34M | -0.2% | -$54.7K |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +29.3K | 5.32M | +0.6% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $5.96 | -7,102 | 5.32M | -0.1% | -$42.3K |
| D | 2024-03-13 | 2024-03-11 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +15.7K | 5.31M | +0.3% | — |
| D | 2024-03-13 | 2024-03-11 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $7.22 | -4,646 | 5.30M | -0.1% | -$33.5K |
| D | 2024-02-22 | 2024-02-20 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $8.38 | -2,004 | 5.29M | -0.0% | -$16.8K |
| D | 2024-02-22 | 2024-02-20 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +6,758 | 5.29M | +0.1% | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +18.5K | 5.29M | +0.4% | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $5.98 | -6,240 | 5.29M | -0.1% | -$37.3K |
| 2023-11-08 | 2023-11-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $4.34 | -20.0K | 5.28M | -0.4% | -$86.8K | |
| 2023-10-11 | 2023-10-09 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $5.33 | -20.0K | 5.30M | -0.4% | -$106.6K | |
| 2023-10-05 | 2023-09-14 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | G - Gift | $0.00 | -2.29M | 5.32M | -30% | $0 | |
| 2023-09-08 | 2023-09-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $6.83 | -20.0K | 7.61M | -0.3% | -$136.6K | |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +18.5K | 7.62M | +0.2% | — |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $8.46 | -6,210 | 7.62M | -0.1% | -$52.5K |
| 2023-08-08 | 2023-08-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $9.04 | -20.0K | 7.61M | -0.3% | -$180.8K | |
| 2023-07-07 | 2023-07-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $8.48 | -20.0K | 7.63M | -0.3% | -$169.6K | |
| 2023-06-07 | 2023-06-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $8.23 | -20.0K | 7.65M | -0.3% | -$164.6K | |
| DM | 2023-05-19 | 2023-05-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +14.6K | 7.67M | +0.2% | — |
| DM | 2023-05-19 | 2023-05-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $6.69 | -5,584 | 7.67M | -0.1% | -$37.4K |
| 2023-05-10 | 2023-05-08 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $11.55 | -20.0K | 7.66M | -0.3% | -$231.0K | |
| 2023-04-11 | 2023-04-10 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $8.88 | -20.0K | 7.68M | -0.3% | -$177.6K | |
| D | 2023-03-07 | 2023-03-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $10.13 | -20.0K | 7.70M | -0.3% | -$202.6K |
| D | 2023-02-23 | 2023-02-21 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +6,758 | 7.73M | +0.1% | — |
| D | 2023-02-23 | 2023-02-21 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $10.97 | -2,633 | 7.72M | -0.0% | -$28.9K |
| 2023-02-08 | 2023-02-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $13.19 | -20.0K | 7.72M | -0.3% | -$263.8K | |
| 2023-01-10 | 2023-01-09 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $10.66 | -20.0K | 7.74M | -0.3% | -$213.2K | |
| 2022-12-09 | 2022-11-29 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | G - Gift | $0.00 | -10.0K | 7.78M | -0.1% | $0 | |
| 2022-12-09 | 2022-12-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $11.86 | -20.0K | 7.76M | -0.3% | -$237.2K | |
| D | 2022-11-22 | 2022-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +6,758 | 7.79M | +0.1% | — |
| D | 2022-11-22 | 2022-11-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $14.75 | -2,264 | 7.79M | -0.0% | -$33.4K |
| 2022-11-08 | 2022-11-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $14.76 | -20.0K | 7.79M | -0.3% | -$295.2K | |
| 2022-10-11 | 2022-10-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $14.79 | -20.0K | 7.81M | -0.3% | -$295.8K | |
| 2022-09-09 | 2022-09-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $12.89 | -20.0K | 7.83M | -0.3% | -$257.8K | |
| D | 2022-08-19 | 2022-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $14.06 | -2,479 | 7.85M | -0.0% | -$34.9K |
| D | 2022-08-19 | 2022-08-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +6,758 | 7.85M | +0.1% | — |
| 2022-08-10 | 2022-08-08 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $15.09 | -20.0K | 7.84M | -0.3% | -$301.8K | |
| 2022-07-08 | 2022-07-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $11.19 | -20.0K | 7.86M | -0.3% | -$223.8K | |
| 2022-06-09 | 2022-06-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $10.75 | -20.0K | 7.88M | -0.3% | -$215.0K | |
| D | 2022-05-20 | 2022-05-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +9,011 | 7.91M | +0.1% | — |
| D | 2022-05-20 | 2022-05-18 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $9.65 | -3,510 | 7.90M | -0.0% | -$33.9K |
| 2022-05-12 | 2022-05-09 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $8.01 | -20.0K | 7.90M | -0.3% | -$160.2K | |
| 2022-04-08 | 2022-04-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $10.54 | -20.0K | 7.92M | -0.3% | -$210.8K | |
| DM | 2022-03-08 | 2022-03-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale+OE | $12.65 | -20.0K | 7.94M | -0.3% | -$253.1K |
| D | 2022-03-08 | 2022-03-04 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | $0.25 | +66.7K | 7.96M | +0.8% | +$16.7K |
| 2022-02-09 | 2021-12-04 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | G - Gift | $0.00 | -5,000 | 7.84M | -0.1% | $0 | |
| 2022-02-09 | 2022-02-07 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $14.40 | -20.0K | 7.89M | -0.3% | -$288.0K | |
| DI | 2021-07-27 | 2021-07-22 | CTKB | Cytek Biosciences, Inc. | Jiang Wenbin | Pres, CEO, Dir | C - Cnv Deriv | — | +2.67M | 2.67M | New | — |
Purchase Sale Sale after option exercise All abbreviations