CEO of $EFOI Acquires 262,009 Shares in Insider Purchase

Chiao Chieh Huang, the CEO of $EFOI, recently acquired 262,009 shares of the company on November 26, 2025, at an estimated cost of $600,000. This transaction, as disclosed by Quiver Quantitative through SEC filings, resulted in a 22.6% increase in their ownership of this stock class. Subsequently, Chiao Chieh Huang now holds a total of 1,421,219 shares of $EFOI.

In the past six months, there have been a total of two instances of insider trading related to $EFOI stock. Both of these transactions involved purchases by insiders, including Chiao Chieh Huang, the CEO, who bought a total of 526,559 shares for an approximate value of $1,100,000. Notably, there have been no sales of $EFOI stock by insiders during this period. For a comprehensive overview of insider dealings, interested parties can refer to Quiver Quantitative’s insider trading dashboard.

On the hedge fund front, there have been notable activities involving $EFOI stock. Notably, five institutional investors augmented their holdings in $EFOI, while six reduced their positions in the most recent quarter. Some significant movements included CITADEL ADVISORS LLC adding 13,181 shares to their portfolio, UBS GROUP AG withdrawing 3,292 shares, and SBI SECURITIES CO., LTD. selling off 2,000 shares. These transactions offer valuable insights into the sentiments of institutional investors regarding $EFOI stock and can be tracked through Quiver Quantitative’s institutional holdings dashboard.

Despite these developments, $EFOI reported revenues of $826,000 in Q3 2025. This figure represents a decrease of -30.94% compared to the corresponding period in the previous year. For further updates on $EFOI’s financial performance, individuals can visit Quiver Quantitative’s dedicated page for detailed information.

It is essential to note that this article serves to provide information and does not constitute financial advice. Individuals seeking financial guidance should review the disclaimers outlined by Quiver Quantitative.