Chiao Chieh Huang

Chiao Chieh Huang is a declared insider of Energy Focus, Inc/de, with filings sourced from SEC (Form 4). Over a trading history stretching from 28 March 2023 to 26 November 2025, the count stands at 6 filings.

On the market, this insider has only ever bought: 4 purchases, €1.3M in total. Unlike grants, an open-market purchase is paid for by the insider, at the market price. The rest of the record consists of 2 share grants. So far in 2025, the count stands at 4 purchases and no sales.

A typical purchase (the median) is worth €308k. The 4 purchases reviewed show no overlap with other insiders buying the same stock within a month. Looking at 3 purchases old enough to measure, the stock rose over the following 90 days in 33% of cases; the median change was -6.5%. This is a record of the past, not a forecast.

The latest filing, published on 31 December 2025, reports an open-market purchase of €519k in Energy Focus, Inc/de. The median gap between a trade and its publication by SEC (Form 4) is 21 days. US insiders must file a Form 4 within two business days of a trade. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.