| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2025-12-31 | Huang Chiao Chieh Chief Executive Officer | Bought | 262,009 | $2.29 | $600k |
| 2025-08-19 | Huang Chiao Chieh Chief Executive Officer | Bought | 264,550 | $1.89 | $500k |
| 2025-06-23 | Huang Chiao Chieh Chief Executive Officer | Bought | 214,124 | $1.87 | $400k |
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| Huang Chiao Chieh | Chief Executive Officer | 3 | $1.5M |
Every insider buy and sell for EFOI plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.
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