Custer Matthew Keith has filed 12 insider transactions across 1 company since April 2024.
Most recent transaction: a option exercise of 2075 shares of CYANOTECH CORP ($CYAN) on July 29, 2025.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 29, 2025 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Common Stock | 2075 | $0.00 | 6,754.0000 | 7,232,217 | 44.35% | 0.03% |
| July 29, 2025 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 2075 | $0.00 | 64,137.0000 | 7,232,217 | 3.13% | 0.03% |
| June 16, 2025 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | A | Cyanotech common stock options | 150000 | $0.00 | 150,000.0000 | 7,232,217 | 9999.99% | 2.07% |
| June 16, 2025 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | A | Restricted Stock Units | 64103 | $0.00 | 4,679.0000 | 7,232,217 | 0.00% | 0.89% |
| April 7, 2025 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Common Stock | 33 | $0.00 | 4,679.0000 | 0 | 0.71% | 0.00% |
| April 7, 2025 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 33 | $0.00 | 2,109.0000 | 0 | 1.54% | 0.00% |
| July 29, 2024 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Common Stock | 2074 | $0.00 | 5,425.0000 | 0 | 61.89% | 0.00% |
| July 29, 2024 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | F | Common Stock | 779 | $0.56 | 4,646.0000 | 0 | 14.36% | 0.00% |
| July 29, 2024 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 2074 | $0.00 | 2,142.0000 | 0 | 49.19% | 0.00% |
| April 8, 2024 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Common Stock | 33 | $0.00 | 3,364.0000 | 0 | 0.99% | 0.00% |
| April 8, 2024 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | F | Common Stock | 13 | $0.40 | 3,351.0000 | 0 | 0.39% | 0.00% |
| April 8, 2024 | CYANOTECH CORP | $CYAN | Custer Matthew Keith | President and CEO | M | Restricted Stock Units | 33 | $0.00 | 4,216.0000 | 0 | 0.78% | 0.00% |