Custer Matthew Keith Insider Trading -- Recent SEC Form 4 Transactions
Custer Matthew Keith (CIK 1789455) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-07-31). Recent activity: Buy CYAN (2,075 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-07-31 | CYANOTECH CORP (CYAN) | President and CEO | Buy | 2,075 | $0 |
Source: SEC Form 4 filings · as of 2025-07-31