InsiderTrades

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
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Busque PhilippeSVP, Gbl SALES AND SERVICES ——
Imper VeraDir ——
McCombe William D.CFO ——
Yan MingCTO, Dir ——
Barnett ValerieCLO ——
Ball JackDir ——
Jiang WenbinPres AND CEO, Dir ——
Holder MichaelDir ——
Chin RichardDir ——
NEFF DEBORAH JDir ——

Transactions 338

Type
Reset
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