The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Barnett Valerie since 2021.
This trader's CIK number is 1873091.
At the time of last reporting, Barnett Valerie was the CHIEF LEGAL OFFICER of Cytek Biosciences, Inc.. (stock ticker symbol CTKB).
Also see all insider trading activities at Cytek Biosciences, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CTKB | 0 | $0 | 0 | $0 | 58,420 | $0 |
| 2024 | CTKB | 0 | $0 | 0 | $0 | 43,414 | $0 |
| 2023 | CTKB | 0 | $0 | 0 | $0 | 17,880 | $0 |
| 2022 | CTKB | 0 | $0 | 0 | $0 | 17,220 | $49,455 |
| 2021 | CTKB | 1,900 | $32,300 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-18 | CTKB | Option Ex | 24,307 | .00 | 0 |
| 2025-05-19 | CTKB | Option Ex | 16,876 | .00 | 0 |
| 2025-03-10 | CTKB | Option Ex | 15,221 | .00 | 0 |
| 2025-02-18 | CTKB | Option Ex | 2,016 | .00 | 0 |
| 2024-11-18 | CTKB | Option Ex | 13,432 | .00 | 0 |
| 2024-08-19 | CTKB | Option Ex | 13,432 | .00 | 0 |
| 2024-05-20 | CTKB | Option Ex | 9,626 | .00 | 0 |
| 2024-03-11 | CTKB | Option Ex | 4,908 | .00 | 0 |
| 2024-02-20 | CTKB | Option Ex | 2,016 | .00 | 0 |
| 2023-11-18 | CTKB | Option Ex | 5,697 | .00 | 0 |
| 2023-08-18 | CTKB | Option Ex | 5,697 | .00 | 0 |
| 2023-05-18 | CTKB | Option Ex | 4,470 | .00 | 0 |
| 2023-02-21 | CTKB | Option Ex | 2,016 | .00 | 0 |
| 2022-11-18 | CTKB | Option Ex | 2,016 | .00 | 0 |
| 2022-08-18 | CTKB | Option Ex | 2,016 | .00 | 0 |
| 2022-05-18 | CTKB | Option Ex | 2,688 | .00 | 0 |
| 2022-03-04 | CTKB | Option Ex | 10,500 | 4.71 | 49,455 |
| 2021-07-22 | CTKB | Buy | 1,900 | 17.00 | 32,300 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Barnett Valerie (CHIEF LEGAL OFFICER of Cytek Biosciences, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.