Chiao Chieh Huang, the Chief Executive Officer of $EFOI, bought 262,009 shares of the company on 11-26-2025 for an estimated $600,000. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 22.6%. Following this trade, they now own 1,421,219 shares of this class of $EFOI stock.
$EFOI Insider Trading Activity
$EFOI insiders have traded $EFOI stock on the open market 2 times in the past 6 months. Of those trades, 2 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $EFOI stock by insiders over the last 6 months:
- CHIAO CHIEH HUANG (Chief Executive Officer) has made 2 purchases buying 526,559 shares for an estimated $1,100,000 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$EFOI Hedge Fund Activity
We have seen 5 institutional investors add shares of $EFOI stock to their portfolio, and 6 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- CITADEL ADVISORS LLC added 13,181 shares (+inf%) to their portfolio in Q3 2025, for an estimated $36,643
- UBS GROUP AG removed 3,292 shares (-99.7%) from their portfolio in Q3 2025, for an estimated $9,151
- SBI SECURITIES CO., LTD. removed 2,000 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $5,560
- MORGAN STANLEY removed 1,600 shares (-77.6%) from their portfolio in Q3 2025, for an estimated $4,448
- RAYMOND JAMES FINANCIAL INC removed 1,400 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $3,891
- GEODE CAPITAL MANAGEMENT, LLC added 1,299 shares (+4.1%) to their portfolio in Q3 2025, for an estimated $3,611
- CITIGROUP INC added 1,293 shares (+inf%) to their portfolio in Q3 2025, for an estimated $3,594
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$EFOI Revenue
$EFOI had revenues of $826K in Q3 2025. This is a decrease of -30.94% from the same period in the prior year.
You can track EFOI financials on Quiver Quantitative's EFOI stock page.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.