EFOI — ENERGY FOCUS, INC/DE
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Others in Industrials
Measured signals that fired on EFOI
| date | signal | measured base rate |
|---|---|---|
| 2026-07-29 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-06-10 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-04-17 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-04-17 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2025-11-26 | Huang Chiao Chieh Chief Executive Officer | Open-market purchase | 262.0K | 2.29 | 600.0K |
| 2025-08-15 | Huang Chiao Chieh Chief Executive Officer | Open-market purchase | 264.6K | 1.89 | 500.0K |
| 2025-06-23 | Huang Chiao Chieh Chief Executive Officer | Open-market purchase | 110.5K | 1.81 | 200.0K |
| 2025-03-27 | Huang Chiao Chieh Chief Executive Officer | Open-market purchase | 103.6K | 1.93 | 200.0K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 84.1K | 43.3K |
| GEODE CAPITAL MANAGEMENT, LLC | 69.1K | 35.6K |
| VANGUARD FIDUCIARY TRUST CO | 38.3K | 19.7K |
| RENAISSANCE TECHNOLOGIES LLC | 19.8K | 10.3K |
| BlackRock, Inc. | 6.3K | 3.3K |
| Tower Research Capital LLC (TRC) | 3.8K | 2.0K |
| MORGAN STANLEY | 889 | 463 |
| BankPlus Trust Department | 86 | 45 |
| UBS Group AG | 79 | 41 |
| OSAIC HOLDINGS, INC. | 21 | 11 |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-Q | 2026-08-11 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-08-11 | 2026-08-11 | on EDGAR ↗ |
| 8-K | 2026-06-17 | 2026-06-12 | on EDGAR ↗ |
| 8-K | 2026-06-03 | 2026-05-29 | on EDGAR ↗ |
| 10-Q | 2026-05-12 | 2026-03-31 | on EDGAR ↗ |
| 8-K | 2026-05-12 | 2026-05-12 | on EDGAR ↗ |
| DEF 14A | 2026-04-28 | 2026-06-12 | on EDGAR ↗ |
| 8-K | 2026-04-14 | 2026-03-30 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Energy Focus, Inc/de (EFOI) filed form 8-K · 2026-08-11 · SEC EDGAR
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