PLUG — PLUG POWER INC
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
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Measured signals that fired on PLUG
| date | signal | measured base rate |
|---|---|---|
| 2026-08-10 | 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 |
| 2026-07-13 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-07 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-06-05 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-02 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-05-27 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 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 |
|---|---|---|---|---|---|
| 2026-07-01 | BONNEY MARK J Director | Grant or award | 8.8K | 2.71 | 23.8K |
| 2026-07-01 | Joggerst Patrick Director | Grant or award | 7.6K | 2.71 | 20.7K |
| 2026-07-01 | Kenausis Gregory Director | Grant or award | 4.0K | 2.71 | 10.8K |
| 2026-07-01 | Angle Colin M Director | Grant or award | 3.6K | 2.71 | 9.6K |
| 2026-06-25 | MIDDLETON PAUL B CFO & Executive VP | Grant or award | 389.1K | 0.00 | 0 |
| 2026-06-11 | BONNEY MARK J Director | Grant or award | 39.8K | 0.00 | 0 |
| 2026-06-11 | Kenausis Gregory Director | Grant or award | 39.8K | 0.00 | 0 |
| 2026-06-11 | Joggerst Patrick Director | Grant or award | 39.8K | 0.00 | 0 |
| 2026-06-11 | HELMER MAUREEN O Director | Grant or award | 39.8K | 0.00 | 0 |
| 2026-06-11 | Angle Colin M Director | Grant or award | 39.8K | 0.00 | 0 |
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 |
|---|---|---|
| BlackRock, Inc. | 343.7M | 152.1M |
| VANGUARD CAPITAL MANAGEMENT LLC | 141.4M | 62.6M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 134.7M | 59.6M |
| D. E. Shaw & Co., Inc. | 110.6M | 49.0M |
| UBS Group AG | 94.0M | 41.6M |
| STATE STREET CORP | 82.6M | 36.5M |
| GEODE CAPITAL MANAGEMENT, LLC | 78.5M | 34.7M |
| RENAISSANCE TECHNOLOGIES LLC | 62.7M | 27.7M |
| TWO SIGMA INVESTMENTS, LP | 61.9M | 27.4M |
| DIMENSIONAL FUND ADVISORS LP | 41.0M | 18.1M |
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 →
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
- Plug Power stock holds low single digits as Q2 2026 loss narrows and guidance rises - Ad-hoc-news.de · 2026-08-21 · Ad-hoc-news.de
- Plug Power stock steadies after Q2 2026 margin progress and raised guidance - Ad-hoc-news.de · 2026-08-19 · AD HOC NEWS
- Plug Power stock edges lower as Q2 2026 revenue beat and higher guidance reset expectations - AD HOC NEWS · 2026-08-18 · AD HOC NEWS
- Plug Power (PLUG) Q2 2026 Earnings Call Transcript · 2026-08-17
- Plug Power stock steadies after Q2 2026 revenue beat and higher growth guidance - AD HOC NEWS · 2026-08-17 · AD HOC NEWS
- Plug Power stock steadies after earnings beat as guidance lifts 2026 revenue targets - AD HOC NEWS · 2026-08-17 · ad-hoc-news.de
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