Cytek Biosciences, Inc.
US ˙ NasdaqGS ˙ US23285D1090

SecurityCTKB / Cytek Biosciences, Inc.
InsiderMing Yan
This page shows the track record and history of Yan Ming insider trades in Cytek Biosciences, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Ming Yan in CTKB / Cytek Biosciences, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CTKB / Cytek Biosciences, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Ming Yan in CTKB / Cytek Biosciences, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CTKB / Cytek Biosciences, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 4.0600 -1,468 -6 6,057,419
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 6,162 6,058,887
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 4.0600 -1,498 -6 6,052,725
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 5,525 6,054,223
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 4.0600 -2,184 -9 6,048,698
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 7,363 6,050,882
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 4.0600 -588 -2 6,043,519
2025-08-20 2025-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 6,044,107
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock F - Taxes D 2.6900 -1,219 -3 6,042,126
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock M - Exercise D 4,108 6,043,345
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock F - Taxes D 2.6900 -1,093 -3 6,039,237
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock M - Exercise D 3,683 6,040,330
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock F - Taxes D 2.6900 -1,456 -4 6,036,647
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock M - Exercise D 4,908 6,038,103
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock F - Taxes D 2.6900 -588 -2 6,033,195
2025-05-21 2025-05-19 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 6,033,783
2025-03-12 2025-03-10 4 Yan Ming CTKB Common Stock F - Taxes D 4.3600 -2,185 -10 6,031,802
2025-03-12 2025-03-10 4 Yan Ming CTKB Common Stock M - Exercise D 7,366 6,033,987
2025-03-12 2025-03-10 4 Yan Ming CTKB Common Stock F - Taxes D 4.3600 -2,911 -13 6,026,621
2025-03-12 2025-03-10 4 Yan Ming CTKB Common Stock M - Exercise D 9,817 6,029,532
2025-02-20 2025-02-18 4 Yan Ming CTKB Common Stock F - Taxes D 5.3100 -588 -3 6,019,715
2025-02-20 2025-02-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 6,020,303
2024-11-20 2024-11-18 4 Yan Ming CTKB Common Stock F - Taxes D 6.0300 -1,346 -8 6,018,322
2024-11-20 2024-11-18 4 Yan Ming CTKB Common Stock M - Exercise D 5,525 6,019,668
2024-11-20 2024-11-18 4 Yan Ming CTKB Common Stock F - Taxes D 6.0300 -1,793 -11 6,014,143
2024-11-20 2024-11-18 4 Yan Ming CTKB Common Stock M - Exercise D 7,363 6,015,936
2024-11-20 2024-11-18 4 Yan Ming CTKB Common Stock F - Taxes D 6.0300 -483 -3 6,008,573
2024-11-20 2024-11-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 6,009,056
2024-08-21 2024-08-19 4 Yan Ming CTKB Common Stock F - Taxes D 5.5300 -1,346 -7 6,007,075
2024-08-21 2024-08-19 4 Yan Ming CTKB Common Stock M - Exercise D 5,525 6,008,421
2024-08-21 2024-08-19 4 Yan Ming CTKB Common Stock F - Taxes D 5.5300 -1,797 -10 6,002,896
2024-08-21 2024-08-19 4 Yan Ming CTKB Common Stock M - Exercise D 7,363 6,004,693
2024-08-21 2024-08-19 4 Yan Ming CTKB Common Stock F - Taxes D 5.5300 -588 -3 5,997,330
2024-08-21 2024-08-19 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 5,997,918
2024-05-22 2024-05-20 4 Yan Ming CTKB Common Stock F - Taxes D 5.9600 -1,093 -7 5,995,937
2024-05-22 2024-05-20 4 Yan Ming CTKB Common Stock M - Exercise D 3,683 5,997,030
2024-05-22 2024-05-20 4 Yan Ming CTKB Common Stock F - Taxes D 5.9600 -1,456 -9 5,993,347
2024-05-22 2024-05-20 4 Yan Ming CTKB Common Stock M - Exercise D 4,908 5,994,803
2024-05-22 2024-05-20 4 Yan Ming CTKB Common Stock F - Taxes D 5.9600 -588 -4 5,989,895
2024-05-22 2024-05-20 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 5,990,483
2024-04-23 2024-04-19 4 Yan Ming CTKB Common Stock S - Sale D 5.8700 -20,000 -117 5,988,502
2024-04-11 2024-04-09 4 Yan Ming CTKB Common Stock S - Sale D 7.0100 -400 -3 6,008,502
2024-04-11 2024-04-09 4 Yan Ming CTKB Common Stock S - Sale D 7.0000 -1,500 -10 6,008,902
2024-03-19 2024-03-19 4 Yan Ming CTKB Common Stock S - Sale D 6.7100 -20,000 -134 6,010,402
2024-03-19 2024-03-18 4 Yan Ming CTKB Common Stock S - Sale D 6.7700 -20,000 -135 6,030,402
2024-03-13 2024-03-11 4 Yan Ming CTKB Common Stock F - Taxes D 7.2200 -2,911 -21 6,050,402
2024-03-13 2024-03-11 4 Yan Ming CTKB Common Stock M - Exercise D 9,817 6,053,313
2024-02-22 2024-02-20 4 Yan Ming CTKB Common Stock F - Taxes D 8.3800 -588 -5 6,043,496
2024-02-22 2024-02-20 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 6,044,084
2023-12-21 2023-12-19 4 Yan Ming CTKB Common Stock S - Sale D 9.4300 -20,000 -189 6,042,103
2023-11-27 2023-11-14 4 Yan Ming CTKB Common Stock G - Gift D -1,700,000 6,062,103
2023-11-21 2023-11-20 4 Yan Ming CTKB Common Stock S - Sale D 6.0300 -20,000 -121 7,762,103
2023-11-21 2023-11-18 4 Yan Ming CTKB Common Stock F - Taxes D 5.9800 -2,431 -15 7,782,103
2023-11-21 2023-11-18 4 Yan Ming CTKB Common Stock M - Exercise D 7,363 7,784,534
2023-11-21 2023-11-18 4 Yan Ming CTKB Common Stock F - Taxes D 5.9800 -772 -5 7,777,171
2023-11-21 2023-11-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 7,777,943
2023-10-23 2023-10-19 4 Yan Ming CTKB Common Stock S - Sale D 4.8000 -20,000 -96 7,775,962
2023-09-20 2023-09-19 4 Yan Ming CTKB Common Stock S - Sale D 6.4900 -20,000 -130 7,795,962
2023-08-21 2023-08-21 4 Yan Ming CTKB Common Stock S - Sale D 8.0700 -20,000 -161 7,815,962
2023-08-21 2023-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 8.4600 -2,868 -24 7,835,962
2023-08-21 2023-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 7,363 7,838,830
2023-08-21 2023-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 8.4600 -772 -7 7,831,467
2023-08-21 2023-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 7,832,239
2023-07-20 2023-07-19 4 Yan Ming CTKB Common Stock S - Sale D 8.7600 -20,000 -175 7,830,258
2023-06-21 2023-06-20 4 Yan Ming CTKB Common Stock S - Sale D 8.1800 -20,000 -164 7,850,258
2023-05-19 2023-05-19 4 Yan Ming CTKB Common Stock S - Sale D 7.1900 -20,000 -144 7,870,258
2023-05-19 2023-05-18 4 Yan Ming CTKB Common Stock F - Taxes D 6.6900 -1,912 -13 7,890,258
2023-05-19 2023-05-18 4 Yan Ming CTKB Common Stock M - Exercise D 4,908 7,892,170
2023-05-19 2023-05-18 4 Yan Ming CTKB Common Stock F - Taxes D 6.6900 -772 -5 7,887,262
2023-05-19 2023-05-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 7,888,034
2023-04-20 2023-04-19 4 Yan Ming CTKB Common Stock S - Sale D 9.7100 -20,000 -194 7,886,053
2023-03-21 2023-03-20 4 Yan Ming CTKB Common Stock S - Sale D 9.2900 -20,000 -186 7,906,053
2023-02-23 2023-02-21 4 Yan Ming CTKB Common Stock S - Sale D 10.9400 -20,000 -219 7,926,053
2023-02-23 2023-02-21 4 Yan Ming CTKB Common Stock F - Taxes D 10.9700 -772 -8 7,946,053
2023-02-23 2023-02-21 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 7,946,825
2023-02-10 2023-02-08 4 Yan Ming CTKB Common Stock S - Sale D 13.5300 -897 -12 7,944,844
2023-02-07 2023-02-03 4 Yan Ming CTKB Common Stock S - Sale D 13.5100 -11 -0 7,945,741
2023-02-07 2023-02-03 4 Yan Ming CTKB Common Stock S - Sale D 13.5000 -1,081 -15 7,945,752
2023-01-20 2023-01-19 4 Yan Ming CTKB Common Stock S - Sale D 11.0300 -20,000 -221 7,946,833
2022-12-20 2022-12-19 4 Yan Ming CTKB Common Stock S - Sale D 10.3800 -20,000 -208 7,966,833
2022-11-22 2022-11-21 4 Yan Ming CTKB Common Stock S - Sale D 14.6600 -20,000 -293 7,986,833
2022-11-22 2022-11-18 4 Yan Ming CTKB Common Stock F - Taxes D 14.7500 -772 -11 8,006,833
2022-11-22 2022-11-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 8,007,605
2022-10-20 2022-10-19 4 Yan Ming CTKB Common Stock S - Sale D 14.4200 -20,000 -288 8,005,624
2022-09-20 2022-09-19 4 Yan Ming CTKB Common Stock S - Sale D 12.4200 -20,000 -248 8,025,624
2022-08-19 2022-08-19 4 Yan Ming CTKB Common Stock S - Sale D 13.6200 -20,000 -272 8,045,624
2022-08-19 2022-08-18 4 Yan Ming CTKB Common Stock F - Taxes D 14.0600 -772 -11 8,065,624
2022-08-19 2022-08-18 4 Yan Ming CTKB Common Stock M - Exercise D 1,981 8,066,396
2022-07-20 2022-07-19 4 Yan Ming CTKB Common Stock S - Sale D 11.8300 -20,000 -237 8,064,415
2022-06-22 2022-06-21 4 Yan Ming CTKB Common Stock S - Sale D 10.0600 -20,000 -201 8,084,415
2022-05-20 2022-05-19 4 Yan Ming CTKB Common Stock S - Sale D 9.9200 -20,000 -198 8,104,415
2022-05-20 2022-05-18 4 Yan Ming CTKB Restricted Stock Units M - Exercise D -2,642 29,066
2022-05-20 2022-05-18 4 Yan Ming CTKB Common Stock F - Taxes D 9.6500 -1,030 -10 8,124,415
2022-05-20 2022-05-18 4 Yan Ming CTKB Common Stock M - Exercise D 2,642 8,125,445
2022-04-21 2022-04-19 4 Yan Ming CTKB Common Stock S - Sale D 10.3400 -20,000 -207 8,122,803
2022-03-23 2022-03-21 4 Yan Ming CTKB Common Stock S - Sale D 11.6400 -20,000 -233 8,142,803
2022-03-08 2022-03-07 4 Yan Ming CTKB Stock Option (Right to Buy) M - Exercise D 0.92 -10,555 16,111
2022-03-08 2022-03-07 4 Yan Ming CTKB Stock Option (Right to Buy) M - Exercise D 0.25 -62,456 0
2022-03-08 2022-03-07 4 Yan Ming CTKB Common Stock M - Exercise D 0.9200 10,555 10 8,162,803
2022-03-08 2022-03-07 4 Yan Ming CTKB Common Stock M - Exercise D 0.2500 62,456 16 8,152,248
2022-03-02 2022-02-28 4 Yan Ming CTKB Restricted Stock Units A - Award D 31,708 31,708
2022-03-02 2022-02-28 4 Yan Ming CTKB Stock Option (Right to Buy) A - Award D 13.64 47,841 47,841
2022-02-24 2022-02-22 4 Yan Ming CTKB Common Stock S - Sale D 13.4400 -20,000 -269 8,089,792
2022-02-14 2021-12-07 5 Yan Ming CTKB Common Stock G - Gift D -10,000 8,129,792
2022-02-14 2022-02-10 4 Yan Ming CTKB Common Stock S - Sale D 15.3700 -5,294 -81 8,109,792
2022-02-14 2022-02-10 4 Yan Ming CTKB Common Stock S - Sale D 15.0100 -14,706 -221 8,115,086
2021-07-26 2021-07-22 4 Yan Ming CTKB Stock Option (Right to Buy) A - Award D 17.00 125,000 125,000
2021-07-22 3 Yan Ming CTKB Common Stock D 8,139,792
P
Pembelian sekuritas non-derivatif atau derivatif di pasar terbuka atau secara pribadi.
S
Penjualan terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif.
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi turunan
D
Penjualan atau pengalihan sekuritas kembali ke perusahaan.
F
Pembayaran harga pelaksanaan atau kewajiban pajak menggunakan sebagian sekuritas yang diterima dari perusahaan.
G
Pemberian sekuritas oleh atau kepada orang dalam.
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Pelaksanaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Transaksi yang dilaporkan secara sukarela pada Formulir 4.
J
Lainnya (disertai dengan catatan kaki yang menjelaskan transaksi tersebut)