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Huang Chiao Chieh profile photo

Chiao Chieh Huang

CIK: 0001964786

Transaction Breakdown

Open Market Buys (P)4 (100.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ENERGY FOCUS, INC/DE logo
EFOI

ENERGY FOCUS, INC/DE

DirectorOfficer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (4 total)

  • ENERGY FOCUS, INC/DE logo
    EFOI

    ENERGY FOCUS, INC/DE

    Nov 26, 2025
    Purchase(P)
    Direct
    262K shares at avg. $2.29$600K
  • ENERGY FOCUS, INC/DE logo
    EFOI

    ENERGY FOCUS, INC/DE

    Aug 15, 2025
    Purchase(P)
    Direct
    264.6K shares at avg. $1.89$500K
  • ENERGY FOCUS, INC/DE logo
    EFOI

    ENERGY FOCUS, INC/DE

    Jun 23, 2025
    Purchase(P)
    Direct
    110.5K shares at avg. $1.81$200K
  • ENERGY FOCUS, INC/DE logo
    EFOI

    ENERGY FOCUS, INC/DE

    Mar 27, 2025
    Purchase(P)
    Direct
    103.6K shares at avg. $1.93$200K

1-4 of 4

About Huang Chiao Chieh

Huang Chiao Chieh (SEC CIK 0001964786) files insider reports with the SEC as Chief Executive Officer of ENERGY FOCUS, INC/DE (EFOI).

Signal8 holds 3 ownership filings by Huang Chiao Chieh, all Form 4s, filed between Jun 23, 2025 and Dec 31, 2025. Those filings report 4 transactions, from Mar 27, 2025 to Nov 26, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on Huang Chiao Chieh's filings is in SOLON, OH.

Recent filings by Huang Chiao Chieh

  • Nov 26, 2025: Open-market purchase of EFOI shares (Form 4, code P).
  • Aug 15, 2025: Open-market purchase of EFOI shares (Form 4, code P).
  • Jun 23, 2025: Open-market purchase of EFOI shares (Form 4, code P).
  • Mar 27, 2025: Open-market purchase of EFOI shares (Form 4, code P).

How to read Form 4 transaction codes