CTKB Cytek Biosciences, Inc.
Nasdaq · SEC CIK 1831915 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 272 since 2021-07-26, latest 2026-08-20 16:35
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Busque Philippe | SVP, Gbl SALES AND SERVICES | — | — |
| Imper Vera | Dir | — | — |
| McCombe William D. | CFO | — | — |
| Yan Ming | CTO, Dir | — | — |
| Barnett Valerie | CLO | — | — |
| Ball Jack | Dir | — | — |
| Jiang Wenbin | Pres AND CEO, Dir | — | — |
| Holder Michael | Dir | — | — |
| Chin Richard | Dir | — | — |
| NEFF DEBORAH J | Dir | — | — |
Transactions 338
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2024-11-20 | 2024-11-18 | CTKB | Holder Michael | Dir | M - OptEx | — | +2,181 | 3,635 | +150% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +14.9K | 6.02M | +0.2% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Yan Ming | CTO, Dir | F - Tax | $6.03 | -3,622 | 6.01M | -0.1% | -$21.8K |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | F - Tax | $6.03 | -2,015 | 60.0K | -3% | -$12.2K |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | M - OptEx | — | +5,171 | 57.6K | +10% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | M - OptEx | — | +3,746 | 12.1K | +45% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | F - Tax | $6.03 | -1,460 | 11.5K | -11% | -$8,804 |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Barnett Valerie | CLO | M - OptEx | — | +13.4K | 59.0K | +30% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Barnett Valerie | CLO | F - Tax | $6.03 | -4,499 | 57.7K | -7% | -$27.1K |
| DM | 2024-11-20 | 2024-11-18 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +40.6K | 5.16M | +0.8% | — |
| DM | 2024-11-20 | 2024-11-18 | CTKB | 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 | Jiang Wenbin | Pres AND CEO, Dir | G - Gift | $0.00 | -200.0K | 5.16M | -4% | $0 | |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | M - OptEx | — | +5,171 | 57.6K | +10% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | F - Tax | $5.53 | -2,015 | 54.2K | -4% | -$11.1K |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +40.6K | 5.34M | +0.8% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $5.53 | -9,897 | 5.34M | -0.2% | -$54.7K |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | M - OptEx | — | +3,746 | 11.4K | +49% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | F - Tax | $5.53 | -1,460 | 10.6K | -12% | -$8,074 |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +14.9K | 6.00M | +0.2% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Yan Ming | CTO, Dir | F - Tax | $5.53 | -3,731 | 6.00M | -0.1% | -$20.6K |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Williams Paul Christopher | COO | M - OptEx | — | +10.8K | 10.9K | +7,582% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Williams Paul Christopher | COO | F - Tax | $5.53 | -4,195 | 10.5K | -29% | -$23.2K |
| D | 2024-08-21 | 2024-08-19 | CTKB | Holder Michael | Dir | M - OptEx | — | +1,454 | 1,454 | New | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Barnett Valerie | CLO | M - OptEx | — | +13.4K | 56.7K | +31% | — |
| DM | 2024-08-21 | 2024-08-19 | CTKB | Barnett Valerie | CLO | F - Tax | $5.53 | -5,046 | 53.9K | -9% | -$27.9K |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +29.3K | 5.32M | +0.6% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $5.96 | -7,102 | 5.32M | -0.1% | -$42.3K |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | F - Tax | $5.96 | -1,447 | 52.9K | -3% | -$8,624 |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | M - OptEx | — | +3,711 | 52.2K | +8% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Williams Paul Christopher | COO | M - OptEx | — | +7,512 | 12.2K | +160% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Williams Paul Christopher | COO | F - Tax | $5.96 | -2,927 | 9,902 | -23% | -$17.4K |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | M - OptEx | — | +8,132 | 9,994 | +437% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | F - Tax | $5.96 | -3,168 | 7,400 | -30% | -$18.9K |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +10.6K | 5.99M | +0.2% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Yan Ming | CTO, Dir | F - Tax | $5.96 | -3,137 | 5.99M | -0.1% | -$18.7K |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Barnett Valerie | CLO | M - OptEx | — | +9,626 | 44.1K | +28% | — |
| DM | 2024-05-22 | 2024-05-20 | CTKB | Barnett Valerie | CLO | F - Tax | $5.96 | -3,751 | 42.0K | -8% | -$22.4K |
| 2024-04-23 | 2024-04-19 | CTKB | Yan Ming | CTO, Dir | S - Sale | $5.87 | -20.0K | 5.99M | -0.3% | -$117.4K | |
| M | 2024-04-11 | 2024-04-09 | CTKB | Yan Ming | CTO, Dir | S - Sale | $7.00 | -1,900 | 6.01M | -0.0% | -$13.3K |
| D | 2024-03-21 | 2024-03-20 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | M - OptEx | — | +5,464 | 5,464 | New | — |
| D | 2024-03-21 | 2024-03-20 | CTKB | Busque Philippe | SVP, Gbl SALES AND SERVICES | F - Tax | $6.70 | -2,129 | 3,335 | -39% | -$14.3K |
| M | 2024-03-19 | 2024-03-18+ | CTKB | Yan Ming | CTO, Dir | S - Sale | $6.74 | -40.0K | 6.01M | -0.7% | -$269.6K |
| D | 2024-03-13 | 2024-03-11 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +15.7K | 5.31M | +0.3% | — |
| D | 2024-03-13 | 2024-03-11 | CTKB | Jiang Wenbin | Pres AND CEO, Dir | F - Tax | $7.22 | -4,646 | 5.30M | -0.1% | -$33.5K |
| D | 2024-03-13 | 2024-03-11 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | F - Tax | $7.22 | -1,301 | 51.1K | -2% | -$9,393 |
| D | 2024-03-13 | 2024-03-11 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | M - OptEx | — | +3,338 | 52.4K | +7% | — |
| D | 2024-03-13 | 2024-03-11 | CTKB | Williams Paul Christopher | COO | F - Tax | $7.22 | -478 | 5,317 | -8% | -$3,451 |
| D | 2024-03-13 | 2024-03-11 | CTKB | Williams Paul Christopher | COO | M - OptEx | — | +1,227 | 5,795 | +27% | — |
| D | 2024-03-13 | 2024-03-11 | CTKB | Barnett Valerie | CLO | M - OptEx | — | +4,908 | 38.1K | +15% | — |
| D | 2024-03-13 | 2024-03-11 | CTKB | Barnett Valerie | CLO | F - Tax | $7.22 | -1,912 | 36.2K | -5% | -$13.8K |
| D | 2024-03-13 | 2024-03-11 | CTKB | Yan Ming | CTO, Dir | F - Tax | $7.22 | -2,911 | 6.05M | -0.0% | -$21.0K |
| D | 2024-03-13 | 2024-03-11 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +9,817 | 6.05M | +0.2% | — |
| D | 2024-03-13 | 2024-03-11 | CTKB | Jeanmonod Patrik | CFO | F - Tax | $7.22 | -1,912 | 97.5K | -2% | -$13.8K |
| D | 2024-03-13 | 2024-03-11 | CTKB | Jeanmonod Patrik | CFO | M - OptEx | — | +4,908 | 99.4K | +5% | — |
| D | 2024-02-22 | 2024-02-20 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | M - OptEx | — | +790 | 49.3K | +2% | — |
| D | 2024-02-22 | 2024-02-20 | CTKB | Poirson Allen | SVP BUS. AND CORP. DEV | F - Tax | $8.38 | -308 | 49.0K | -0.6% | -$2,581 |
| D | 2024-02-22 | 2024-02-20 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +1,981 | 6.04M | +0.0% | — |
| D | 2024-02-22 | 2024-02-20 | CTKB | Yan Ming | CTO, Dir | F - Tax | $8.38 | -588 | 6.04M | -0.0% | -$4,927 |
| D | 2024-02-22 | 2024-02-20 | CTKB | 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 | Jiang Wenbin | Pres AND CEO, Dir | M - OptEx | — | +6,758 | 5.29M | +0.1% | — |
| D | 2024-02-22 | 2024-02-20 | CTKB | Barnett Valerie | CLO | F - Tax | $8.38 | -786 | 33.2K | -2% | -$6,587 |
| D | 2024-02-22 | 2024-02-20 | CTKB | Barnett Valerie | CLO | M - OptEx | — | +2,016 | 34.0K | +6% | — |
| D | 2024-02-22 | 2024-02-20 | CTKB | Williams Paul Christopher | COO | M - OptEx | — | +1,006 | 4,960 | +25% | — |
| D | 2024-02-22 | 2024-02-20 | CTKB | Williams Paul Christopher | COO | F - Tax | $8.38 | -392 | 4,568 | -8% | -$3,285 |
| D | 2024-02-22 | 2024-02-20 | CTKB | Jeanmonod Patrik | CFO | F - Tax | $8.38 | -683 | 94.5K | -0.7% | -$5,724 |
| D | 2024-02-22 | 2024-02-20 | CTKB | Jeanmonod Patrik | CFO | M - OptEx | — | +1,752 | 95.2K | +2% | — |
| 2023-12-27 | 2023-12-26 | CTKB | Jeanmonod Patrik | CFO | S - Sale | $9.50 | -3,000 | 93.4K | -3% | -$28.5K | |
| 2023-12-21 | 2023-12-19 | CTKB | Yan Ming | CTO, Dir | S - Sale | $9.43 | -20.0K | 6.04M | -0.3% | -$188.6K | |
| 2023-11-27 | 2023-11-24 | CTKB | Jeanmonod Patrik | CFO | S - Sale | $6.94 | -3,000 | 96.4K | -3% | -$20.8K | |
| 2023-11-27 | 2023-11-14 | CTKB | Yan Ming | CTO, Dir | G - Gift | $0.00 | -1.70M | 6.06M | -22% | $0 | |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Yan Ming | CTO, Dir | F - Tax | $5.98 | -3,203 | 7.78M | -0.0% | -$19.2K |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +9,344 | 7.78M | +0.1% | — |
| D | 2023-11-21 | 2023-11-20 | CTKB | Yan Ming | CTO, Dir | S - Sale+OE | $6.03 | -20.0K | 7.76M | -0.3% | -$120.6K |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Williams Paul Christopher | COO | M - OptEx | — | +4,947 | 4,313 | New | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Williams Paul Christopher | COO | F - Tax | $5.98 | -1,928 | 3,954 | -33% | -$11.5K |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Jeanmonod Patrik | CFO | F - Tax | $5.98 | -2,117 | 97.2K | -2% | -$12.7K |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Jeanmonod Patrik | CFO | M - OptEx | — | +5,433 | 97.8K | +6% | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Barnett Valerie | GC | F - Tax | $5.98 | -2,220 | 31.9K | -6% | -$13.3K |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Barnett Valerie | GC | M - OptEx | — | +5,697 | 33.4K | +21% | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Poirson Allen | SVP Bus, Corp. Dev | M - OptEx | — | +3,293 | 47.3K | +7% | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Poirson Allen | SVP Bus, Corp. Dev | F - Tax | $5.98 | -1,283 | 48.5K | -3% | -$7,672 |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +18.5K | 5.29M | +0.4% | — |
| DM | 2023-11-21 | 2023-11-18 | CTKB | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $5.98 | -6,240 | 5.29M | -0.1% | -$37.3K |
| 2023-11-08 | 2023-11-07 | CTKB | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $4.34 | -20.0K | 5.28M | -0.4% | -$86.8K | |
| 2023-10-25 | 2023-10-24 | CTKB | Jeanmonod Patrik | CFO | S - Sale | $4.68 | -3,000 | 96.1K | -3% | -$14.0K | |
| 2023-10-23 | 2023-10-19 | CTKB | Yan Ming | CTO, Dir | S - Sale | $4.80 | -20.0K | 7.78M | -0.3% | -$96.0K | |
| 2023-10-11 | 2023-10-09 | CTKB | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $5.33 | -20.0K | 5.30M | -0.4% | -$106.6K | |
| 2023-10-05 | 2023-09-14 | CTKB | Jiang Wenbin | Pres, CEO, Dir | G - Gift | $0.00 | -2.29M | 5.32M | -30% | $0 | |
| 2023-09-26 | 2023-09-25 | CTKB | Jeanmonod Patrik | CFO | S - Sale | $6.38 | -3,000 | 99.1K | -3% | -$19.1K | |
| 2023-09-20 | 2023-09-19 | CTKB | Yan Ming | CTO, Dir | S - Sale | $6.49 | -20.0K | 7.80M | -0.3% | -$129.8K | |
| 2023-09-08 | 2023-09-07 | CTKB | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $6.83 | -20.0K | 7.61M | -0.3% | -$136.6K | |
| 2023-08-28 | 2023-08-24 | CTKB | Jeanmonod Patrik | CFO | S - Sale | $7.69 | -3,000 | 102.1K | -3% | -$23.1K | |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Jeanmonod Patrik | CFO | M - OptEx | — | +5,433 | 106.5K | +5% | — |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Jeanmonod Patrik | CFO | F - Tax | $8.46 | -2,117 | 102.8K | -2% | -$17.9K |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Barnett Valerie | GC | F - Tax | $8.46 | -2,220 | 26.2K | -8% | -$18.8K |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Barnett Valerie | GC | M - OptEx | — | +5,697 | 29.9K | +24% | — |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Poirson Allen | SVP Bus, Corp. Dev | F - Tax | $8.46 | -1,283 | 45.0K | -3% | -$10.9K |
| DM | 2023-08-21 | 2023-08-18 | CTKB | Poirson Allen | SVP Bus, Corp. Dev | M - OptEx | — | +3,293 | 45.3K | +8% | — |
| D | 2023-08-21 | 2023-08-18 | CTKB | Williams Paul Christopher | COO | M - OptEx | — | +920 | 1,294 | +246% | — |
| D | 2023-08-21 | 2023-08-18 | CTKB | Williams Paul Christopher | COO | F - Tax | $8.46 | -359 | 935 | -28% | -$3,037 |
Purchase Sale Sale after option exercise All abbreviations