SEC Form 4 · Updated Daily
EFOI
— ENERGY FOCUS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Bi Cheng | 10%+ Owner | 4,000,000 | 2013-02-27 | — |
| Huang Gina | 10%+ Owner · Director | 3,720,242 | 2023-03-30 | A |
| DIKER MANAGEMENT LLC | 10%+ Owner | 1,907,108 | 2010-02-22 | S |
| Huang Chiao Chieh | 10%+ Owner · Director | 1,421,219 | 2025-11-26 | P |
| Cheng Yeh Mei-Hui | 10%+ Owner | 1,167,390 | 2018-11-30 | — |
| Communal International, Ltd. | 10%+ Owner | 1,167,390 | 2018-11-30 | — |
| Cleantech Global Ltd | 10%+ Owner | 1,167,390 | 2018-11-30 | — |
| 5 Elements Energy Efficiency Ltd. | 10%+ Owner | 1,167,390 | 2018-11-30 | — |
| Luo Jiangang | 10%+ Owner | 1,167,390 | 2018-11-30 | — |
| Gelbaum Monica Chavez | 10%+ Owner | 1,132,480 | 2012-01-06 | S |
| Quercus Trust | 10%+ Owner | 1,132,480 | 2012-01-06 | S |
| Gelbaum David | 10%+ Owner | 1,132,480 | 2012-01-06 | S |
| Costar Partners II, LLC | 10%+ Owner | 1,086,957 | 2014-03-31 | C |
| Wilson Robert Jr. | Reporting Owner | 1,000,000 | 2009-12-31 | — |
| Cohen William | Director | 663,622 | 2018-06-20 | M |
| Bright Horizon Partners Inc. | 10%+ Owner | 639,130 | 2015-09-16 | S |
| 5 ELEMENTS GLOBAL FUND, LP | 10%+ Owner | 611,683 | 2021-04-01 | C |
| Fusion Park LLC | 10%+ Owner | 611,683 | 2021-04-01 | C |
| Jag International Co Ltd. | 10%+ Owner | 381,832 | 2022-06-22 | M |
| Brilliant Start Enterprise, Inc. | 10%+ Owner | 381,832 | 2022-06-22 | M |
| Tu James | 10%+ Owner · Director · Officer | 249,851 | 2021-08-16 | P |
| STUPPIN JOHN B | Director | 158,275 | 2008-03-14 | P |
| Tewksbury Ted L III | Director | 108,561 | 2019-02-26 | M |
| KAVESKI JOSEPH G. | Director · Officer | 67,697 | 2011-01-03 | A |
| FINNERTY J JAMES | Director | 53,385 | 2010-06-08 | S |
| Ramelot Michael Rush | Director | 47,927 | 2019-06-19 | M |
| NESTOR TOD A | Officer | 45,432 | 2020-12-28 | M |
| BUELOW ROGER | Officer | 39,153 | 2011-01-03 | A |
| BERCHTOLD NICHOLAS G | Officer | 39,153 | 2011-01-03 | A |
| DAVENPORT JOHN | Director | 34,169 | 2014-09-10 | C |
| Dorchak Glenda | Director | 32,427 | 2018-06-20 | M |
| Eisenberg Marc | Director | 32,427 | 2018-06-20 | M |
| BLACK RONALD D | Director | 32,427 | 2018-06-20 | M |
| Politziner Philip | Director | 31,400 | 2022-06-22 | M |
| Socolof Stephen | Director | 25,500 | 2022-06-22 | M |
| GREENWALD BARRY R | Officer | 23,313 | 2007-05-25 | M |
| Cheng Jennifer Y | Director | 22,000 | 2022-06-22 | M |
| PLUSH MARK J | Officer | 19,796 | 2012-12-31 | A |
| Port Michael Harry | Officer | 18,055 | 2018-04-03 | M |
| McManus Geraldine | Director | 17,000 | 2021-05-26 | M |
| Hilliard Eric | Officer | 10,665 | 2015-12-31 | A |
| Parker Jeffery Robert | Director | 10,000 | 2022-06-22 | M |
| Lagarto Brian J | Director | 10,000 | 2022-06-22 | M |
| Miller Marcia Jean | Officer | 8,377 | 2015-12-31 | A |
| Casentini Ronald A | Director | 7,250 | 2008-03-14 | P |
| Turin Jerry | Officer | 6,906 | 2018-12-31 | A |
| RISHI SATISH | Director | 3,169 | 2018-06-20 | M |
| WOLFSON PHILIP | Director | 2,002 | 2009-05-29 | A |
| Warren James Raymond III | Officer | 1,600 | 2022-09-28 | M |
| White Bradley Brian | Officer | 1,600 | 2017-03-10 | P |
| SCHNEEBERGER R LOUIS | Director | 0 | 2009-11-25 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2025-11-26 | Huang Chiao Chieh | Open-market buy | 262,009 | $2.29 | 1,421,219 |
| 2025-08-15 | Huang Chiao Chieh | Open-market buy | 264,550 | $1.89 | 1,159,210 |
| 2025-06-23 | Huang Chiao Chieh | Open-market buy | 110,497 | $1.81 | 894,660 |
| 2025-03-27 | Huang Chiao Chieh | Open-market buy | 103,627 | $1.93 | 784,163 |
| 2023-06-29 | Huang Chiao Chieh | Grant / award | 343,465 | $1.76 | 680,536 |
| 2023-04-28 | Matt Lesley A. | Grant / award (derivative) | 40,000 | $0.43 | 40,000 |
| 2023-04-28 | Warren James Raymond III | Grant / award (derivative) | 30,000 | $0.43 | 30,000 |
| 2023-04-28 | Gianas Randy Harrison | Grant / award (derivative) | 1,428 | $3.04 | 1,428 |
| 2023-03-30 | Huang Gina | Grant / award | 500,000 | $0.50 | 3,720,242 |
| 2023-03-28 | Huang Chiao Chieh | Grant / award | 108,502 | $0.56 | 2,659,017 |
| 2023-02-24 | Huang Gina | Grant / award | 803,212 | $0.50 | 3,220,242 |
| 2023-01-17 | Huang Chiao Chieh | — | — | — | 2,250,995 |
| 2023-01-17 | Huang Chiao Chieh | — | — | — | 299,520 |
| 2023-01-17 | Huang Gina | Grant / award | 1,451,597 | $0.56 | 2,417,030 |
| 2023-01-10 | Huang Gina | Grant / award | 325,803 | $0.46 | 965,433 |
| 2023-01-05 | Huang Gina | Grant / award | 257,798 | $0.39 | 639,630 |
| 2022-09-28 | Warren James Raymond III | Option exercise (derivative) | 800 | $0.00 | 1,600 |
| 2022-09-28 | Warren James Raymond III | Option exercise | 800 | $0.00 | 1,600 |
| 2022-09-12 | Matt Lesley A. | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2022-09-04 | den Daas Kaj | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2022-08-01 | Griffin Clifford R. | Grant / award (derivative) | 6,000 | $0.74 | 6,000 |
| 2022-06-22 | Cheng Jennifer Y | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2022-06-22 | Cheng Jennifer Y | Option exercise | 5,000 | $0.00 | 22,000 |
| 2022-06-22 | Brilliant Start Enterprise, Inc. | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2022-06-22 | Brilliant Start Enterprise, Inc. | Option exercise | 5,000 | $0.00 | 381,832 |
| 2022-06-22 | Jag International Co Ltd. | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2022-06-22 | Jag International Co Ltd. | Option exercise | 5,000 | $0.00 | 381,832 |
| 2022-06-22 | Huang Gina | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2022-06-22 | Huang Gina | Option exercise | 5,000 | $0.00 | 381,832 |
| 2022-06-22 | Parker Jeffery Robert | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2022-06-22 | Parker Jeffery Robert | Option exercise | 10,000 | $0.00 | 10,000 |
| 2022-06-22 | Lagarto Brian J | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2022-06-22 | Lagarto Brian J | Option exercise | 10,000 | $0.00 | 10,000 |
| 2022-06-22 | Politziner Philip | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2022-06-22 | Politziner Philip | Option exercise | 5,000 | $0.00 | 31,400 |
| 2022-06-22 | Socolof Stephen | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2022-06-22 | Socolof Stephen | Option exercise | 5,000 | $0.00 | 25,500 |
| 2022-02-22 | Parker Jeffery Robert | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2022-02-19 | Lagarto Brian J | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2022-02-11 | Cheng Jennifer Y | Grant / award (derivative) | 5,000 | $0.00 | 5,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.