Cytek Biosciences, Inc.
| Security | CTKB / Cytek Biosciences, Inc. |
| Insider | Wenbin Jiang |
This page shows the track record and history of Jiang Wenbin
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 Wenbin Jiang 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 ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Wenbin Jiang in CTKB / Cytek Biosciences, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
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.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.0600 | -7,062 | -29 | 5,314,417 | ||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 29,002 | 5,321,479 | ||||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.0600 | -5,382 | -22 | 5,292,477 | ||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 22,100 | 5,297,859 | ||||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.0600 | -2,869 | -12 | 5,275,759 | ||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11,781 | 5,278,628 | ||||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.0600 | -1,646 | -7 | 5,266,847 | ||||
| 2025-08-20 | 2025-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,268,493 | ||||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 2.6900 | -4,708 | -13 | 5,261,735 | ||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 19,334 | 5,266,443 | ||||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 2.6900 | -3,588 | -10 | 5,247,109 | ||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14,733 | 5,250,697 | ||||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 2.6900 | -1,913 | -5 | 5,235,964 | ||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 7,854 | 5,237,877 | ||||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 2.6900 | -1,646 | -4 | 5,230,023 | ||||
| 2025-05-21 | 2025-05-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,231,669 | ||||||
| 2025-03-12 | 2025-03-10 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.3600 | -7,998 | -35 | 5,224,911 | ||||
| 2025-03-12 | 2025-03-10 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 29,467 | 5,232,909 | ||||||
| 2025-03-12 | 2025-03-10 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.3600 | -4,658 | -20 | 5,203,442 | ||||
| 2025-03-12 | 2025-03-10 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 15,708 | 5,208,100 | ||||||
| 2025-02-20 | 2025-02-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.3100 | -2,004 | -11 | 5,192,392 | ||||
| 2025-02-20 | 2025-02-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,194,396 | ||||||
| 2024-11-20 | 2024-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6.0300 | -5,382 | -32 | 5,187,638 | ||||
| 2024-11-20 | 2024-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 22,100 | 5,193,020 | ||||||
| 2024-11-20 | 2024-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6.0300 | -2,869 | -17 | 5,170,920 | ||||
| 2024-11-20 | 2024-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11,781 | 5,173,789 | ||||||
| 2024-11-20 | 2024-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6.0300 | -1,646 | -10 | 5,162,008 | ||||
| 2024-11-20 | 2024-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,163,654 | ||||||
| 2024-09-16 | 2024-09-14 | 4 | Jiang Wenbin | CTKB | Common Stock | D | -200,000 | 5,156,896 | ||||||
| 2024-08-21 | 2024-08-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.5300 | -5,382 | -30 | 5,356,896 | ||||
| 2024-08-21 | 2024-08-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 22,100 | 5,362,278 | ||||||
| 2024-08-21 | 2024-08-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.5300 | -2,869 | -16 | 5,340,178 | ||||
| 2024-08-21 | 2024-08-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11,781 | 5,343,047 | ||||||
| 2024-08-21 | 2024-08-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.5300 | -1,646 | -9 | 5,331,266 | ||||
| 2024-08-21 | 2024-08-19 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,332,912 | ||||||
| 2024-05-22 | 2024-05-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.9600 | -3,588 | -21 | 5,326,154 | ||||
| 2024-05-22 | 2024-05-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14,733 | 5,329,742 | ||||||
| 2024-05-22 | 2024-05-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.9600 | -1,913 | -11 | 5,315,009 | ||||
| 2024-05-22 | 2024-05-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 7,854 | 5,316,922 | ||||||
| 2024-05-22 | 2024-05-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.9600 | -1,601 | -10 | 5,309,068 | ||||
| 2024-05-22 | 2024-05-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,310,669 | ||||||
| 2024-03-13 | 2024-03-11 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 7.2200 | -4,646 | -34 | 5,303,911 | ||||
| 2024-03-13 | 2024-03-11 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 15,708 | 5,308,557 | ||||||
| 2024-02-22 | 2024-02-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.3800 | -2,004 | -17 | 5,292,849 | ||||
| 2024-02-22 | 2024-02-20 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,294,853 | ||||||
| 2023-11-21 | 2023-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.9800 | -3,965 | -24 | 5,288,095 | ||||
| 2023-11-21 | 2023-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11,781 | 5,292,060 | ||||||
| 2023-11-21 | 2023-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.9800 | -2,275 | -14 | 5,280,279 | ||||
| 2023-11-21 | 2023-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 5,282,554 | ||||||
| 2023-11-08 | 2023-11-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 4.3400 | -20,000 | -87 | 5,275,796 | ||||
| 2023-10-11 | 2023-10-09 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 5.3300 | -20,000 | -107 | 5,295,796 | ||||
| 2023-10-05 | 2023-09-14 | 4 | Jiang Wenbin | CTKB | Common Stock | D | -2,290,000 | 5,315,796 | ||||||
| 2023-09-08 | 2023-09-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6.8300 | -20,000 | -137 | 7,605,796 | ||||
| 2023-08-21 | 2023-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.4600 | -3,965 | -34 | 7,625,796 | ||||
| 2023-08-21 | 2023-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11,781 | 7,629,761 | ||||||
| 2023-08-21 | 2023-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.4600 | -2,245 | -19 | 7,617,980 | ||||
| 2023-08-21 | 2023-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 7,620,225 | ||||||
| 2023-08-08 | 2023-08-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 9.0400 | -20,000 | -181 | 7,613,467 | ||||
| 2023-07-07 | 2023-07-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.4800 | -20,000 | -170 | 7,633,467 | ||||
| 2023-06-07 | 2023-06-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.2300 | -20,000 | -165 | 7,653,467 | ||||
| 2023-05-19 | 2023-05-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6.6900 | -2,951 | -20 | 7,673,467 | ||||
| 2023-05-19 | 2023-05-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 7,854 | 7,676,418 | ||||||
| 2023-05-19 | 2023-05-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6.6900 | -2,633 | -18 | 7,668,564 | ||||
| 2023-05-19 | 2023-05-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 7,671,197 | ||||||
| 2023-05-10 | 2023-05-08 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11.5500 | -20,000 | -231 | 7,664,439 | ||||
| 2023-04-11 | 2023-04-10 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.8800 | -20,000 | -178 | 7,684,439 | ||||
| 2023-03-07 | 2023-03-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 10.1300 | -20,000 | -203 | 7,704,439 | ||||
| 2023-02-23 | 2023-02-21 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 10.9700 | -2,633 | -29 | 7,724,439 | ||||
| 2023-02-23 | 2023-02-21 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 7,727,072 | ||||||
| 2023-02-08 | 2023-02-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 13.1900 | -20,000 | -264 | 7,720,314 | ||||
| 2023-01-10 | 2023-01-09 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 10.6600 | -20,000 | -213 | 7,740,314 | ||||
| 2022-12-09 | 2022-12-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11.8600 | -20,000 | -237 | 7,760,314 | ||||
| 2022-12-09 | 2022-11-29 | 4 | Jiang Wenbin | CTKB | Common Stock | D | -10,000 | 7,780,314 | ||||||
| 2022-11-22 | 2022-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14.7500 | -2,264 | -33 | 7,790,314 | ||||
| 2022-11-22 | 2022-11-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 7,792,578 | ||||||
| 2022-11-08 | 2022-11-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14.7600 | -20,000 | -295 | 7,785,820 | ||||
| 2022-10-11 | 2022-10-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14.7900 | -20,000 | -296 | 7,805,820 | ||||
| 2022-09-09 | 2022-09-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 12.8900 | -20,000 | -258 | 7,825,820 | ||||
| 2022-08-19 | 2022-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14.0600 | -2,479 | -35 | 7,845,820 | ||||
| 2022-08-19 | 2022-08-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 6,758 | 7,848,299 | ||||||
| 2022-08-10 | 2022-08-08 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 15.0900 | -20,000 | -302 | 7,841,541 | ||||
| 2022-07-08 | 2022-07-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 11.1900 | -20,000 | -224 | 7,861,541 | ||||
| 2022-06-09 | 2022-06-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 10.7500 | -20,000 | -215 | 7,881,541 | ||||
| 2022-05-20 | 2022-05-18 | 4 | Jiang Wenbin | CTKB | Restricted Stock Units | D | -9,011 | 99,126 | ||||||
| 2022-05-20 | 2022-05-18 | 4 | Jiang Wenbin | CTKB | Common STock | D | 9.6500 | -3,510 | -34 | 7,901,541 | ||||
| 2022-05-20 | 2022-05-18 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 9,011 | 7,905,051 | ||||||
| 2022-05-12 | 2022-05-09 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 8.0100 | -20,000 | -160 | 7,896,040 | ||||
| 2022-04-08 | 2022-04-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 10.5400 | -20,000 | -211 | 7,916,040 | ||||
| 2022-03-08 | 2022-03-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 13.7900 | -1,200 | -17 | 7,936,040 | ||||
| 2022-03-08 | 2022-03-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 12.5800 | -18,800 | -237 | 7,937,240 | ||||
| 2022-03-08 | 2022-03-04 | 4 | Jiang Wenbin | CTKB | Stock Option (Right to Buy) | D | 0.25 | -66,665 | 0 | |||||
| 2022-03-08 | 2022-03-04 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 0.2500 | 66,665 | 17 | 7,956,040 | ||||
| 2022-03-02 | 2022-02-28 | 4 | Jiang Wenbin | CTKB | Restricted Stock Units | D | 108,137 | 108,137 | ||||||
| 2022-03-02 | 2022-02-28 | 4 | Jiang Wenbin | CTKB | Stock Option (Right to Buy) | D | 13.64 | 163,158 | 163,158 | |||||
| 2022-02-09 | 2022-02-07 | 4 | Jiang Wenbin | CTKB | Common Stock | D | 14.4000 | -20,000 | -288 | 7,889,375 | ||||
| 2022-02-09 | 2021-12-04 | 4 | Jiang Wenbin | CTKB | Common Stock | D | -5,000 | 7,842,710 | ||||||
| 2021-07-27 | 2021-07-22 | 4 | Jiang Wenbin | CTKB | Series A Preferred Stock | I | -2,666,600 | 0 | ||||||
| 2021-07-27 | 2021-07-22 | 4 | Jiang Wenbin | CTKB | Common Stock | I | 2,666,600 | 2,666,600 | ||||||
| 2021-07-26 | 2021-07-22 | 4 | Jiang Wenbin | CTKB | Stock Option (Right to Buy) | D | 17.00 | 250,000 | 250,000 | |||||
| 2021-07-22 | 3 | Jiang Wenbin | CTKB | Common Stock | D | 7,847,710 |
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)
