Plug Power Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 79.95. In total, the insiders bought 19.16M and sold 215.72K PLUG shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
79.95
Buy 19.16M shares
Sell 215.72K shares
91% Buy Activity
Negligible or No Correlation
Buy Signal High Confidence
Jun 25, 2026

Analysis Breakdown:

  • Strongly supported by a very high Insider Power Score of 79.95.
  • Confidence increased due to high data reliability score of 100.
  • Supported by overwhelming buy-side pressure (91% buys).

Historical Insider Trades

Date Type Person Role Amount
Jul 01, 2026
Buy
Common Stock
A-Award
Kenausis Gregory
Director
Director 3 980
Value: $10.8K
Jul 01, 2026
Buy
Common Stock
A-Award
Joggerst Patrick
Director
Director 7 644
Value: $20.7K
Jul 01, 2026
Buy
Common Stock
A-Award
Bonney Mark J
Director
Director 8 764
Value: $23.8K
Jul 01, 2026
Buy
Common Stock
A-Award
Angle Colin M
Director
Director 3 558
Value: $10K
Jun 30, 2026
Buy
Stock Option (Right to Buy)
A-Award
Marsh Andrew
Director
Director 72 469
Value: $196.4K
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Haycraft Benjamin
Cso & Gm Emea
Officer 362 694
Value: $1.03M
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Haycraft Benjamin
Cso & Gm Emea
Officer 357 143
Value: $917.9K
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Crespo Jose Luis
See Remarks
Officer 765 306
Value: $1.97M
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Crespo Jose Luis
See Remarks
Officer 777 202
Value: $2.20M
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Fullerton Dean
Chief Operating Officer
C-Suite Officer 408 163
Value: $1.05M
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Fullerton Dean
Chief Operating Officer
C-Suite Officer 414 508
Value: $1.17M
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Conway Gerard L Jr
Gen. Coun, Corp Sec., Exec. Vp
Officer 357 143
Value: $917.9K
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Conway Gerard L Jr
Gen. Coun, Corp Sec., Exec. Vp
Officer 362 694
Value: $1.03M
Jun 25, 2026
Buy
Stock Option (Right to Buy)
A-Award
Middleton Paul B
CFO & Executive Vp
C-Suite Officer 510 204
Value: $1.31M
Jun 25, 2026
Buy
Common Stock
A-Award
Middleton Paul B
CFO & Executive Vp
C-Suite Officer 389 105
Value: $1,000.0K
Jun 11, 2026
Buy
Stock Option (Right to Buy)
A-Award
Angle Colin M
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Common Stock
A-Award
Angle Colin M
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Stock Option (Right to Buy)
A-Award
Bonney Mark J
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Common Stock
A-Award
Bonney Mark J
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Stock Option (Right to Buy)
A-Award
Helmer Maureen O
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Common Stock
A-Award
Helmer Maureen O
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Stock Option (Right to Buy)
A-Award
Joggerst Patrick
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Stock Option (Right to Buy)
A-Award
Mcnamee George C
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Common Stock
A-Award
Mcnamee George C
Director
Director 39 753
Value: $112.5K
Jun 11, 2026
Buy
Stock Option (Right to Buy)
A-Award
Willis Gary K
Director
Director 39 753
Value: $112.5K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT PLUG POWER
Plug Power
Plug Power Inc. delivers end-to-end clean hydrogen and zero-emissions fuel cell solutions for supply chain and logistics applications, on-road electric vehicles, stationary power market, and others in North America and internationally. It engages in building an end-to-end green hydrogen ecosystem, including green hydrogen production, storage and delivery, and energy generation through mobile or stationary applications. The company provides proton...
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