Gerald R. Cysewski serves as Executive at CYANOTECH CORP, where they oversee executive responsibilities. Since joining the company, Gerald R. Cysewski has executed 42 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Jul 29, 2025 involved selling 592 shares valued at $243.
Gerald R. Cysewski currently holds 146,697 shares of CYANOTECH CORP (CYAN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gerald R. Cysewski has been a net neutral trader of CYAN stock. They have purchased $0 and sold $0 worth of shares.
Gerald R. Cysewski's most recent insider trade was on Jul 29, 2025, when they sold 592 shares at $0.41 per share.
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| $N/A |
| Discretionary |
| Jul 29, 2024 | CYAN | $0 | Option Exercise | 1,576 | $N/A | Discretionary |
| Jul 29, 2024 | CYAN | $332 | Payment | 592 | $0.56 | Discretionary |
| Apr 8, 2024 | CYAN | $0 | Option Exercise | 33 | $N/A | Discretionary |
| Apr 8, 2024 | CYAN | $5 | Payment | 13 | $0.40 | Discretionary |
| Feb 16, 2024 | CYAN | $0 | Option Exercise | 3,900 | $N/A | Discretionary |
| Feb 16, 2024 | CYAN | $645 | Payment | 1,465 | $0.44 | Discretionary |
| Jul 31, 2023 | CYAN | $708 | Payment | 843 | $0.84 | Discretionary |
| Jul 31, 2023 | CYAN | $0 | Option Exercise | 2,243 | $N/A | Discretionary |
| Apr 6, 2023 | CYAN | $0 | Option Exercise | 34 | $N/A | Discretionary |
| Apr 6, 2023 | CYAN | $12 | Payment | 13 | $0.94 | Discretionary |
| Aug 1, 2022 | CYAN | $0 | Option Exercise | 666 | $N/A | Discretionary |
| Aug 1, 2022 | CYAN | $791 | Payment | 251 | $3.15 | Discretionary |
| Apr 6, 2022 | CYAN | $39 | Payment | 13 | $3.03 | Discretionary |
| Apr 6, 2022 | CYAN | $0 | Option Exercise | 33 | $N/A | Discretionary |
| Jul 30, 2021 | CYAN | $768 | Payment | 251 | $3.06 | Discretionary |
| Jul 30, 2021 | CYAN | $0 | Option Exercise | 666 | $N/A | Discretionary |
| Jul 13, 2021 | CYAN | $0 | Option Exercise | 736 | $N/A | Discretionary |
| Jul 13, 2021 | CYAN | $828 | Payment | 277 | $2.99 | Discretionary |
| Apr 6, 2021 | CYAN | $44 | Payment | 13 | $3.35 | Discretionary |
| Apr 6, 2021 | CYAN | $0 | Option Exercise | 33 | $N/A | Discretionary |
| Jul 13, 2020 | CYAN | $0 | Option Exercise | 737 | $N/A | Discretionary |
| Jul 13, 2020 | CYAN | $623 | Payment | 277 | $2.25 | Discretionary |
| Apr 6, 2020 | CYAN | $130 | Payment | 63 | $2.07 | Discretionary |
| Apr 6, 2020 | CYAN | $0 | Option Exercise | 166 | $N/A | Discretionary |
| Mar 31, 2020 | CYAN | $0 | Option Exercise | 8,334 | $N/A | Discretionary |
| Mar 31, 2020 | CYAN | $6.4K | Payment | 3,130 | $2.06 | Discretionary |
| Jul 13, 2019 | CYAN | $0 | Option Exercise | 737 | $N/A | Discretionary |
| Jul 13, 2019 | CYAN | $0 | Payment | 277 | $N/A | Discretionary |