InsiderTrades

Yan Ming

SEC CIK 1874041 · EDGAR

Buying vs selling by month open-market trades, last 56 months, CTKB
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CTKBCytek Biosciences, Inc.CTO, Dir 4.83M — $5.38M 752022-02-102026-08-18

Most active insiders at CTKB, 12 months

#InsiderTitleBoughtSold
1 Busque PhilippeSVP, Gbl SALES AND SERVICES ——
2 Imper VeraDir ——
3 McCombe William D.CFO ——
4 Yan MingCTO, Dir ——
5 Barnett ValerieCLO ——
6 Ball JackDir ——
7 Jiang WenbinPres AND CEO, Dir ——
8 Holder MichaelDir ——
9 Chin RichardDir ——
10 NEFF DEBORAH JDir ——

Transactions 75

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-08-20 16:22 2026-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +33.3K 4.83M +0.7% —
DM 2026-08-20 16:22 2026-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $4.67 -8,088 4.82M -0.2% -$37.8K
2026-06-16 16:59 2026-06-12 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir G - Gift $0.00 -135.9K 4.80M -3% $0
DM 2026-05-20 17:56 2026-05-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +22.2K 4.93M +0.5% —
DM 2026-05-20 17:56 2026-05-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $3.55 -5,532 4.93M -0.1% -$19.6K
2026-03-13 2026-03-13 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir G - Gift $0.00 -1.18M 4.92M -19% $0
DM 2026-03-12 2026-03-10 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $4.23 -7,731 6.09M -0.1% -$32.7K
DM 2026-03-12 2026-03-10 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +25.4K 6.09M +0.4% —
D 2026-02-20 2026-02-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +1,332 6.07M +0.0% —
D 2026-02-20 2026-02-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $4.20 -395 6.07M -0.0% -$1,659
DM 2025-11-20 2025-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $5.53 -5,123 6.06M -0.1% -$28.3K
DM 2025-11-20 2025-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +21.0K 6.07M +0.3% —
DM 2025-08-20 2025-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $4.06 -5,738 6.05M -0.1% -$23.3K
DM 2025-08-20 2025-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +21.0K 6.05M +0.3% —
DM 2025-05-21 2025-05-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $2.69 -4,356 6.04M -0.1% -$11.7K
DM 2025-05-21 2025-05-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +14.7K 6.04M +0.2% —
DM 2025-03-12 2025-03-10 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $4.36 -5,096 6.03M -0.1% -$22.2K
DM 2025-03-12 2025-03-10 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +17.2K 6.03M +0.3% —
D 2025-02-20 2025-02-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $5.31 -588 6.02M -0.0% -$3,122
D 2025-02-20 2025-02-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +1,981 6.02M +0.0% —
DM 2024-11-20 2024-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +14.9K 6.02M +0.2% —
DM 2024-11-20 2024-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $6.03 -3,622 6.01M -0.1% -$21.8K
DM 2024-08-21 2024-08-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +14.9K 6.00M +0.2% —
DM 2024-08-21 2024-08-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $5.53 -3,731 6.00M -0.1% -$20.6K
DM 2024-05-22 2024-05-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +10.6K 5.99M +0.2% —
DM 2024-05-22 2024-05-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $5.96 -3,137 5.99M -0.1% -$18.7K
2024-04-23 2024-04-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $5.87 -20.0K 5.99M -0.3% -$117.4K
M 2024-04-11 2024-04-09 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $7.00 -1,900 6.01M -0.0% -$13.3K
M 2024-03-19 2024-03-18+ CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $6.74 -40.0K 6.01M -0.7% -$269.6K
D 2024-03-13 2024-03-11 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $7.22 -2,911 6.05M -0.0% -$21.0K
D 2024-03-13 2024-03-11 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +9,817 6.05M +0.2% —
D 2024-02-22 2024-02-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +1,981 6.04M +0.0% —
D 2024-02-22 2024-02-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $8.38 -588 6.04M -0.0% -$4,927
2023-12-21 2023-12-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $9.43 -20.0K 6.04M -0.3% -$188.6K
2023-11-27 2023-11-14 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir G - Gift $0.00 -1.70M 6.06M -22% $0
DM 2023-11-21 2023-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $5.98 -3,203 7.78M -0.0% -$19.2K
DM 2023-11-21 2023-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +9,344 7.78M +0.1% —
D 2023-11-21 2023-11-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale+OE $6.03 -20.0K 7.76M -0.3% -$120.6K
2023-10-23 2023-10-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $4.80 -20.0K 7.78M -0.3% -$96.0K
2023-09-20 2023-09-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $6.49 -20.0K 7.80M -0.3% -$129.8K
DM 2023-08-21 2023-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +9,344 7.84M +0.1% —
DM 2023-08-21 2023-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $8.46 -3,640 7.84M -0.0% -$30.8K
D 2023-08-21 2023-08-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale+OE $8.07 -20.0K 7.82M -0.3% -$161.4K
2023-07-20 2023-07-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $8.76 -20.0K 7.83M -0.3% -$175.2K
2023-06-21 2023-06-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $8.18 -20.0K 7.85M -0.3% -$163.6K
DM 2023-05-19 2023-05-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $6.69 -2,684 7.89M -0.0% -$18.0K
DM 2023-05-19 2023-05-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +6,889 7.89M +0.1% —
D 2023-05-19 2023-05-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale+OE $7.19 -20.0K 7.87M -0.3% -$143.8K
2023-04-20 2023-04-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $9.71 -20.0K 7.89M -0.3% -$194.2K
2023-03-21 2023-03-20 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $9.29 -20.0K 7.91M -0.3% -$185.8K
D 2023-02-23 2023-02-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale+OE $10.94 -20.0K 7.93M -0.3% -$218.8K
D 2023-02-23 2023-02-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $10.97 -772 7.95M -0.0% -$8,469
D 2023-02-23 2023-02-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +1,981 7.95M +0.0% —
2023-02-10 2023-02-08 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $13.53 -897 7.94M -0.0% -$12.1K
M 2023-02-07 2023-02-03 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $13.50 -1,092 7.95M -0.0% -$14.7K
2023-01-20 2023-01-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $11.03 -20.0K 7.95M -0.3% -$220.6K
2022-12-20 2022-12-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $10.38 -20.0K 7.97M -0.3% -$207.6K
D 2022-11-22 2022-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +1,981 8.01M +0.0% —
D 2022-11-22 2022-11-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $14.75 -772 8.01M -0.0% -$11.4K
D 2022-11-22 2022-11-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale+OE $14.66 -20.0K 7.99M -0.2% -$293.2K
2022-10-20 2022-10-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $14.42 -20.0K 8.01M -0.2% -$288.4K
2022-09-20 2022-09-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $12.42 -20.0K 8.03M -0.2% -$248.4K
D 2022-08-19 2022-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +1,981 8.07M +0.0% —
D 2022-08-19 2022-08-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale+OE $13.62 -20.0K 8.05M -0.2% -$272.4K
D 2022-08-19 2022-08-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $14.06 -772 8.07M -0.0% -$10.9K
2022-07-20 2022-07-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $11.83 -20.0K 8.06M -0.2% -$236.6K
2022-06-22 2022-06-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $10.06 -20.0K 8.08M -0.2% -$201.2K
D 2022-05-20 2022-05-18 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx — +2,642 8.13M +0.0% —
D 2022-05-20 2022-05-19 CTKB Cytek Biosciences, Inc. 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 Cytek Biosciences, Inc. Yan Ming CTO, Dir F - Tax $9.65 -1,030 8.12M -0.0% -$9,940
2022-04-21 2022-04-19 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $10.34 -20.0K 8.12M -0.2% -$206.8K
2022-03-23 2022-03-21 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $11.64 -20.0K 8.14M -0.2% -$232.8K
DM 2022-03-08 2022-03-07 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir M - OptEx $0.3469 +73.0K 8.16M +0.9% +$25.3K
2022-02-24 2022-02-22 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $13.44 -20.0K 8.09M -0.2% -$268.8K
M 2022-02-14 2022-02-10 CTKB Cytek Biosciences, Inc. Yan Ming CTO, Dir S - Sale $15.11 -20.0K 8.12M -0.2% -$302.1K

Purchase Sale Sale after option exercise All abbreviations