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Stock Insider Trading Activity of Huang Chiao Chieh
Huang Chiao Chieh
Buy
Chief Executive Officer
EFOI Nov 26, 2025
Avg Cost/Share
$2.29
Shares
262,009
Total Value
$600,000.61
Owned After
1,421,219
SEC Form 4
Huang Chiao Chieh
Buy
Chief Executive Officer
EFOI Aug 15, 2025
Avg Cost/Share
$1.89
Shares
264,550
Total Value
$499,999.50
Owned After
1,421,219
SEC Form 4
Huang Chiao Chieh
Buy
Chief Executive Officer
EFOI Mar 27, 2025
Avg Cost/Share
$1.87
Shares
214,124
Total Value
$399,999.68
Owned After
1,421,219
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Huang Chiao Chieh | EFOI | Chief Executive Officer | Nov 26, 2025 | Buy | $2.29 | 262,009 | $600,000.61 | 1,421,219 | |
| Huang Chiao Chieh | EFOI | Chief Executive Officer | Aug 15, 2025 | Buy | $1.89 | 264,550 | $499,999.50 | 1,421,219 | |
| Huang Chiao Chieh | EFOI | Chief Executive Officer | Mar 27, 2025 | Buy | $1.87 | 214,124 | $399,999.68 | 1,421,219 |