| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2011-09-19 | MIDSUMMER INVESTMENT LTD | ENERGY FOCUS, INC/DE | 0 | 0.0% | EDGAR |
| SC 13D/A | 2011-07-08 | Gelbaum David | ENERGY FOCUS, INC/DE | 1,134,880 | 4.9% | EDGAR |
| SC 13D/A | 2011-07-07 | Gelbaum David | ENERGY FOCUS, INC/DE | 1,134,880 | 4.9% | EDGAR |
| SC 13D | 2011-07-07 | DeSano Scott E | ENERGY FOCUS, INC/DE | 2,400,000 | 9.7% | EDGAR |
| SC 13G/A | 2011-07-07 | WELCH & FORBES LLC | ENERGY FOCUS, INC/DE | 27,800 | 0.1% | EDGAR |
| SC 13G/A | 2011-02-28 | WELCH & FORBES LLC | ENERGY FOCUS, INC/DE | 1,305,848 | 5.5% | EDGAR |
| SC 13G/A | 2011-02-14 | DIKER MANAGEMENT LLC | ENERGY FOCUS, INC/DE | 941,248 | 4.0% | EDGAR |
| SC 13D/A | 2011-02-11 | Gelbaum David | ENERGY FOCUS, INC/DE | 5,310,638 | 22.2% | EDGAR |
| SC 13G | 2011-01-11 | WELCH & FORBES LLC | ENERGY FOCUS, INC/DE | 1,305,848 | 5.5% | EDGAR |
| SC 13D/A | 2010-10-13 | Quercus Trust | ENERGY FOCUS, INC/DE | 6,046,338 | 25.7% | EDGAR |
| SC 13D/A | 2010-09-16 | Gelbaum David | ENERGY FOCUS, INC/DE | 6,352,638 | 27.0% | EDGAR |
| SC 13D/A | 2010-07-09 | Quercus Trust | ENERGY FOCUS, INC/DE | 6,365,038 | 26.0% | EDGAR |
| SC 13D/A | 2010-03-04 | Quercus Trust | ENERGY FOCUS, INC/DE | 4,654,143 | 21.9% | EDGAR |
| SC 13G/A | 2010-03-01 | STIASSNI CAPITAL PARTNERS, L.P. | ENERGY FOCUS, INC/DE | 415,000 | 2.8% | EDGAR |
| SC 13D/A | 2010-02-23 | Quercus Trust | ENERGY FOCUS, INC/DE | 4,654,143 | 21.9% | EDGAR |
| SC 13D/A | 2010-01-21 | Quercus Trust | ENERGY FOCUS, INC/DE | 4,236,091 | 19.9% | EDGAR |
| SC 13G | 2010-01-11 | TLC Investments, LLC | ENERGY FOCUS, INC/DE | 1,500,000 | 7.1% | EDGAR |
| SC 13G | 2010-01-06 | DIKER MANAGEMENT LLC | ENERGY FOCUS, INC/DE | 935,436 | 4.7% | EDGAR |
| SC 13D/A | 2009-12-23 | DIKER MANAGEMENT LLC | ENERGY FOCUS, INC/DE | 1,073,972 | 5.4% | EDGAR |
| SC 13D | 2009-11-13 | DIKER MANAGEMENT LLC | ENERGY FOCUS, INC/DE | 1,073,972 | 5.4% | EDGAR |