Figures computed from official regulatory filings — methodology.
Filing timeline · open-market
16 buys3 sellsAug 1, 2022 — Apr 15, 2026tick height = trade size
| Insider | Type | Value · USD | |
|---|---|---|---|
| Zhou Hongyu | Buy | $9.1K | SEC |
| Zhou Hongyu | Buy |
| $5.8M |
| SEC |
| Zhou Hongyu | Buy | $449.5K | SEC |
| Zhou Hongyu | Buy | $1M | SEC |
| Zhou Hongyu | Buy | $168.3K | SEC |
| Zhou Hongyu | Buy | $51.5K | SEC |
| Zhou Hongyu | Buy | $125.5K | SEC |
| Zhou Hongyu | Buy | $16.8K | SEC |
| Belfiore Michael Anthony | Buy | $17.8K | SEC |
| Belfiore Michael Anthony | Award | $0 | SEC |
| Belfiore Michael Anthony | Buy | $3.8K | SEC |
| Belfiore Michael Anthony | Buy | $1M | SEC |
| Ballardie Mike | Other | $2.1K | SEC |
| Kalfa Yonah | Other | $2.9K | SEC |
| Ballardie Mike | Other | $7.9K | SEC |
| DIGITAL POWER CORP | Sell | $61.7K | SEC |
| DIGITAL POWER CORP | Sell | $4K | SEC |
| DIGITAL POWER CORP | Sell | $40K | SEC |
| DIGITAL POWER CORP | Buy | $21.1K | SEC |
| DIGITAL POWER CORP | Buy | $1.2K | SEC |
| DIGITAL POWER CORP | Buy | $8.2K | SEC |
| DIGITAL POWER CORP | Buy | $21.3K | SEC |
| DIGITAL POWER CORP | Buy | $54.1K | SEC |