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 | 2022-05-20 | 2022-05-18 | CTKB | Yan Ming | CTO, Dir | M - OptEx | — | +2,642 | 8.13M | +0.0% | — |
| D | 2022-05-20 | 2022-05-19 | CTKB | Yan Ming | CTO, Dir | S - Sale+OE | $9.92 | -20.0K | 8.10M | -0.2% | -$198.4K |
| D | 2022-05-20 | 2022-05-18 | CTKB | Yan Ming | CTO, Dir | F - Tax | $9.65 | -1,030 | 8.12M | -0.0% | -$9,940 |
| D | 2022-05-20 | 2022-05-18 | CTKB | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | — | +9,011 | 7.91M | +0.1% | — |
| D | 2022-05-20 | 2022-05-18 | CTKB | Jiang Wenbin | Pres, CEO, Dir | F - Tax | $9.65 | -3,510 | 7.90M | -0.0% | -$33.9K |
| D | 2022-05-20 | 2022-05-18 | CTKB | Barnett Valerie | GC | F - Tax | $9.65 | -1,047 | 14.0K | -7% | -$10.1K |
| D | 2022-05-20 | 2022-05-18 | CTKB | Barnett Valerie | GC | M - OptEx | — | +2,688 | 15.1K | +22% | — |
| D | 2022-05-20 | 2022-05-18 | CTKB | Jeanmonod Patrik | CFO | F - Tax | $9.65 | -910 | 97.4K | -0.9% | -$8,782 |
| D | 2022-05-20 | 2022-05-18 | CTKB | Jeanmonod Patrik | CFO | M - OptEx | — | +2,336 | 98.3K | +2% | — |
| D | 2022-05-20 | 2022-05-18 | CTKB | Poirson Allen | SVP Marketing, Corp. Dev | F - Tax | $9.65 | -411 | 41.0K | -1.0% | -$3,966 |
| D | 2022-05-20 | 2022-05-18 | CTKB | Poirson Allen | SVP Marketing, Corp. Dev | M - OptEx | — | +1,053 | 41.4K | +3% | — |
| 2022-05-12 | 2022-05-09 | CTKB | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $8.01 | -20.0K | 7.90M | -0.3% | -$160.2K | |
| 2022-04-21 | 2022-04-19 | CTKB | Yan Ming | CTO, Dir | S - Sale | $10.34 | -20.0K | 8.12M | -0.2% | -$206.8K | |
| 2022-04-08 | 2022-04-07 | CTKB | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $10.54 | -20.0K | 7.92M | -0.3% | -$210.8K | |
| 2022-03-23 | 2022-03-21 | CTKB | Yan Ming | CTO, Dir | S - Sale | $11.64 | -20.0K | 8.14M | -0.2% | -$232.8K | |
| MI | 2022-03-16 | 2022-03-14+ | CTKB | RA Capital Healthcare Fund LP | Dir, 10% | P - Purchase | $12.32 | +583.9K | 13.14M | +5% | +$7.19M |
| MI | 2022-03-11 | 2022-03-09+ | CTKB | Shah Rajeev M. | Dir | P - Purchase | $12.86 | +634.6K | 12.20M | +5% | +$8.16M |
| DM | 2022-03-08 | 2022-03-07 | CTKB | Yan Ming | CTO, Dir | M - OptEx | $0.3469 | +73.0K | 8.16M | +0.9% | +$25.3K |
| MI | 2022-03-08 | 2022-03-04+ | CTKB | Shah Rajeev M. | Dir | P - Purchase | $12.74 | +647.3K | 11.92M | +6% | +$8.25M |
| DM | 2022-03-08 | 2022-03-07 | CTKB | 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 | Jiang Wenbin | Pres, CEO, Dir | M - OptEx | $0.25 | +66.7K | 7.96M | +0.8% | +$16.7K |
| D | 2022-03-08 | 2022-03-04 | CTKB | Barnett Valerie | GC | M - OptEx | $4.71 | +10.5K | 12.4K | +553% | +$49.5K |
| MI | 2022-03-02 | 2022-02-28+ | CTKB | Shah Rajeev M. | Dir | P - Purchase | $12.95 | +441.9K | 11.08M | +4% | +$5.72M |
| MI | 2022-02-25 | 2022-02-23+ | CTKB | RA Capital Nexus Fund II, L.P. | Dir | P - Purchase | $13.22 | +420.4K | 11.05M | +4% | +$5.56M |
| 2022-02-24 | 2022-02-22 | CTKB | Yan Ming | CTO, Dir | S - Sale | $13.44 | -20.0K | 8.09M | -0.2% | -$268.8K | |
| MI | 2022-02-22 | 2022-02-17+ | CTKB | Shah Rajeev M. | Dir | P - Purchase | $14.06 | +547.4K | 10.27M | +6% | +$7.70M |
| MI | 2022-02-16 | 2022-02-14+ | CTKB | RA CAPITAL MANAGEMENT, L.P. | Dir | P - Purchase | $14.90 | +498.6K | 9.94M | +5% | +$7.43M |
| M | 2022-02-14 | 2022-02-10 | CTKB | Yan Ming | CTO, Dir | S - Sale | $15.11 | -20.0K | 8.12M | -0.2% | -$302.1K |
| 2022-02-09 | 2021-12-04 | CTKB | Jiang Wenbin | Pres, CEO, Dir | G - Gift | $0.00 | -5,000 | 7.84M | -0.1% | $0 | |
| 2022-02-09 | 2022-02-07 | CTKB | Jiang Wenbin | Pres, CEO, Dir | S - Sale | $14.40 | -20.0K | 7.89M | -0.3% | -$288.0K | |
| DMI | 2021-07-29 | 2021-07-27 | CTKB | Kolchinsky Peter | Dir | C - Cnv Deriv | — | +6.66M | 507.7K | New | — |
| DMI | 2021-07-29 | 2021-07-27 | CTKB | Kolchinsky Peter | Dir | P - Purchase | $17.00 | +2.95M | 1.19M | New | +$50.15M |
| 2021-07-27 | 2021-07-22 | CTKB | Ball Jack | Dir | P - Purchase | $17.00 | +3,000 | 3,000 | New | +$51.0K | |
| 2021-07-27 | 2021-07-22 | CTKB | Barnett Valerie | GC | P - Purchase | $17.00 | +1,900 | 1,900 | New | +$32.3K | |
| DI | 2021-07-27 | 2021-07-22 | CTKB | Jiang Wenbin | Pres, CEO, Dir | C - Cnv Deriv | — | +2.67M | 2.67M | New | — |
| DMI | 2021-07-27 | 2021-07-22 | CTKB | DENG FENG | Dir | C - Cnv Deriv | — | +4.76M | 443.8K | New | — |
| 2021-07-27 | 2021-07-22 | CTKB | Poirson Allen | SVP Marketing, Corp. Dev | P - Purchase | $17.00 | +1,500 | 40.4K | +4% | +$25.5K | |
| 2021-07-27 | 2021-07-22 | CTKB | Dion Gisele | Dir | P - Purchase | $17.00 | +5,000 | 5,000 | New | +$85.0K |
Purchase Sale Sale after option exercise All abbreviations