| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director, 10% Owner
1 company
Michael A / Davis last filed a Form 4 in August 2025, as Director, 10% Owner at CYAN. Michael A / Davis's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
At the last filing, the largest reported position was 1,528,598 shares of CYAN. Net of sales, the CYAN filings show accumulation of 924,359 shares.
Michael A / Davis has 69 Form 4 filings on record from October 2015 to August 2025, all as Director, 10% Owner at Cyanotech (CYAN), 2015–2025.
The 134 reported transactions were 94 open-market purchases, 36 stock awards and 4 gifts.
Counted by filing, the open-market trades come to 45 purchases worth about $1.0M and no sales.
The largest open-market purchase was 400,000 shares of CYAN at an average $1.00 on December 15, 2023, about $400K.
Shares as reported in the last Form 4 for each company; the most recent is from August 2025. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 5,000 | $0.76 | $3,800.00 | +0.3% | |
| Sep 30, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.77 | $7,650.00 | +0.7% | |
| Sep 26, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.77 | $7,700.00 | +0.7% | |
| Sep 24, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.75 | $7,500.00 | +0.7% | |
| Sep 20, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.76 | $7,550.00 | +0.7% | |
| Sep 18, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.76 | $7,580.00 | +0.7% | |
| Sep 16, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.82 | $8,200.00 | +0.7% | |
| Sep 12, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.83 | $8,300.00 | +0.7% | |
| Sep 10, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.84 | $8,350.00 | +0.8% | |
| Sep 6, 2024 | CYAN Cyanotech Corp | Director, 10% Owner | Buy10b5-1 | 10,000 | $0.84 | $8,400.00 | +0.8% |