Huang Chiao Chieh purchased 262,009 shares of EFOI
Form 4 filed Dec 31, 2025 · transaction dated Nov 26, 2025 · Signed by Niklas Feldmann
What happened
On Nov 26, 2025, Huang Chiao Chieh, Chief Executive Officer purchased 262,009 shares of EFOI (ENERGY FOCUS, INC/DE) at $2.29 per share.
The transaction was filed under SEC Form 4 transaction code P, for a total transaction value of $600,001.
This filing made the top-scored cut on FilingIQ's multi-factor signal model, which weighs insider context (seniority, prior conviction history), trade structure (transaction code, plan status, position sizing), and market environment together. The methodology is documented at methodology. Sign up to see this trade's Score and full dimension breakdown.
The raw filing is on SEC EDGAR at https://www.sec.gov/Archives/edgar/data/924168/000162828025059166/0001628280-25-059166-index.htm.
The accession number is 0001628280-25-059166.
Methodology and sources
This page summarizes a single SEC Form 4 disclosure. The underlying XML is publicly filed by the issuer and available on SEC EDGAR at the link above. FilingIQ does not modify the underlying filing; this page is a normalized rendering with cross-references and a FilingIQ Score. Author: Niklas Feldmann. Scoring methodology: methodology. Not investment advice; see disclaimer.