Chiao Chieh Huang, the Chief Executive Officer of $EFOI, bought 110,497 shares of the company on 06-23-2025 for an estimated $199,999. 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 14.1%. Following this trade, they now own 894,660 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 214,124 shares for an estimated $399,999 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$EFOI Hedge Fund Activity
We have seen 3 institutional investors add shares of $EFOI stock to their portfolio, and 3 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- VANGUARD GROUP INC added 51,227 shares (+432.3%) to their portfolio in Q1 2025, for an estimated $94,257
- SUSQUEHANNA INTERNATIONAL GROUP, LLP removed 13,240 shares (-100.0%) from their portfolio in Q4 2024, for an estimated $15,755
- GEODE CAPITAL MANAGEMENT, LLC added 7,697 shares (+31.6%) to their portfolio in Q1 2025, for an estimated $14,162
- UBS GROUP AG added 2,406 shares (+45.4%) to their portfolio in Q1 2025, for an estimated $4,427
- TOWER RESEARCH CAPITAL LLC (TRC) removed 1,949 shares (-49.9%) from their portfolio in Q1 2025, for an estimated $3,586
- BANK OF AMERICA CORP /DE/ removed 1,399 shares (-97.9%) from their portfolio in Q1 2025, for an estimated $2,574
- CIBC PRIVATE WEALTH GROUP LLC added 0 shares (+0.0%) to their portfolio in Q1 2025, for an estimated $0
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
