The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Cysewski Gerald R since 2018.
This trader's CIK number is 1369133.
At the time of last reporting, Cysewski Gerald R was the Other of Cyanotech Corp. (stock ticker symbol CYAN).
Also see all insider trading activities at Cyanotech Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CYAN | 0 | $0 | 0 | $0 | 5,510 | $0 |
| 2024 | CYAN | 0 | $0 | 0 | $0 | 5,509 | $0 |
| 2023 | CYAN | 0 | $0 | 0 | $0 | 2,277 | $0 |
| 2022 | CYAN | 0 | $0 | 0 | $0 | 699 | $0 |
| 2021 | CYAN | 0 | $0 | 0 | $0 | 1,435 | $0 |
| 2020 | CYAN | 0 | $0 | 0 | $0 | 9,237 | $0 |
| 2019 | CYAN | 0 | $0 | 0 | $0 | 19,237 | $20,800 |
| 2018 | CYAN | 0 | $0 | 0 | $0 | 10,500 | $3,200 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-07-29 | CYAN | Option Ex | 1,577 | .00 | 0 |
| 2025-04-07 | CYAN | Option Ex | 33 | .00 | 0 |
| 2025-02-18 | CYAN | Option Ex | 3,900 | .00 | 0 |
| 2024-07-29 | CYAN | Option Ex | 1,576 | .00 | 0 |
| 2024-04-08 | CYAN | Option Ex | 33 | .00 | 0 |
| 2024-02-16 | CYAN | Option Ex | 3,900 | .00 | 0 |
| 2023-07-31 | CYAN | Option Ex | 2,243 | .00 | 0 |
| 2023-04-06 | CYAN | Option Ex | 34 | .00 | 0 |
| 2022-08-01 | CYAN | Option Ex | 666 | .00 | 0 |
| 2022-04-06 | CYAN | Option Ex | 33 | .00 | 0 |
| 2021-07-30 | CYAN | Option Ex | 666 | .00 | 0 |
| 2021-07-13 | CYAN | Option Ex | 736 | .00 | 0 |
| 2021-04-06 | CYAN | Option Ex | 33 | .00 | 0 |
| 2020-07-13 | CYAN | Option Ex | 737 | .00 | 0 |
| 2020-04-06 | CYAN | Option Ex | 166 | .00 | 0 |
| 2020-03-31 | CYAN | Option Ex | 8,334 | .00 | 0 |
| 2019-07-13 | CYAN | Option Ex | 737 | .00 | 0 |
| 2019-04-05 | CYAN | Option Ex | 167 | .00 | 0 |
| 2019-04-01 | CYAN | Option Ex | 8,333 | .00 | 0 |
| 2019-03-04 | CYAN | Option Ex | 10,000 | 2.08 | 20,800 |
| 2018-04-05 | CYAN | Option Ex | 167 | .00 | 0 |
| 2018-04-02 | CYAN | Option Ex | 8,333 | .00 | 0 |
| 2018-02-21 | CYAN | Option Ex | 2,000 | 1.60 | 3,200 |
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 Cysewski Gerald R (Other of Cyanotech Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.