Cysewski Gerald R (CIK 1369133) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-07-31). Recent activity: Buy CYAN (1,577 shares), Sell CYAN (592 shares), Buy CYAN (33 shares), Sell CYAN (13 shares), Buy CYAN (3,900 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-07-31 | CYANOTECH CORP (CYAN) | Insider | Buy | 1,577 | $0 |
| 2025-07-31 | CYANOTECH CORP (CYAN) | Insider | Sell | 592 | $243 |
| 2025-04-09 | CYANOTECH CORP (CYAN) | Insider | Buy | 33 | $0 |
| 2025-04-09 | CYANOTECH CORP (CYAN) | Insider | Sell | 13 | $4 |
| 2025-02-20 | CYANOTECH CORP (CYAN) | Insider | Buy | 3,900 | $0 |
| 2025-02-20 | CYANOTECH CORP (CYAN) | Insider | Sell | 1,464 | $586 |
Source: SEC Form 4 filings · as of 2025-07-31