PLUG Insider Trading

Insider Ownership Percentage: 0.56%
Insider Buying (Last 12 Months): $1,008,782.00
Insider Selling (Last 12 Months): $259,445.48

Plug Power Insider Trading History Chart

This chart shows the insider buying and selling history at Plug Power by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Plug Power Share Price & Price History

Current Price: $3.67
Price Change: Price Decrease of -0.125 (-3.30%)
As of 05/15/2026 10:47 AM ET

This chart shows the closing price history over time for PLUG up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Plug Power Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
1/12/2026Benjamin HaycraftInsiderSell40,000$2.17$86,800.00333,809View SEC Filing Icon  
12/15/2025Jose Luis CrespoInsiderBuy37,300$2.34$87,282.00307,332View SEC Filing Icon  
12/10/2025Benjamin HaycraftInsiderSell40,000$2.20$88,000.00373,809View SEC Filing Icon  
11/10/2025Benjamin HaycraftEVPSell10,000$2.92$29,200.00467,583View SEC Filing Icon  
10/10/2025Benjamin HaycraftInsiderSell10,000$3.80$38,000.00457,583View SEC Filing Icon  
9/16/2025Benjamin HaycraftInsiderSell10,972$1.59$17,445.48477,583View SEC Filing Icon  
6/9/2025Paul B MiddletonInsiderBuy650,000$1.03$669,500.002,558,064View SEC Filing Icon  
5/16/2025Paul B MiddletonCFOBuy350,000$0.72$252,000.001,908,064View SEC Filing Icon  
8/1/2024George C. McNameeDirectorSell10,000$2.37$23,700.00683,444View SEC Filing Icon  
5/10/2024George C. McNameeDirectorSell10,000$2.56$25,600.00639,572View SEC Filing Icon  
10/2/2023Jose Luis CrespoInsiderSell31,958$7.20$230,097.60250,609View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Plug Power (NASDAQ:PLUG)

43.48% of Plug Power stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at PLUG by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Plug Power Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/14/2026Renaissance Technologies LLC27,738,500$62.69M0.1%+97.4%1.988%Search for SEC Filing on Google Icon
5/14/2026Caxton Associates LLP1,016,724$2.30M0.1%+341.0%0.073%Search for SEC Filing on Google Icon
5/14/2026Bank of Nova Scotia307,855$0.70M0.0%+25.2%0.022%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.262,503$0.59M0.0%+131.1%0.019%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming35,899$81K0.0%+189.6%0.003%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers271,751$0.61M0.0%+14.7%0.019%Search for SEC Filing on Google Icon
5/13/2026Measured Wealth Private Client Group LLC22,167$50K0.0%-39.4%0.002%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP3,677,307$8.31M0.0%-27.4%0.264%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.16,733$38K0.0%+75.4%0.001%Search for SEC Filing on Google Icon
5/8/2026Baader Bank Aktiengesellschaft28,566$65K0.0%N/A0.002%Search for SEC Filing on Google Icon
5/8/2026Cassaday & Co Wealth Management LLC15,200$34K0.0%-62.0%0.001%Search for SEC Filing on Google Icon
5/7/2026Earned Wealth Advisors LLC44,061$100K0.0%+12.6%0.003%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP18,134,913$40.97M0.0%+241.2%1.300%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank2,616,688$5.91M0.0%+18.1%0.188%Search for SEC Filing on Google Icon
5/6/2026Independent Financial Group LLC23,689$54K0.0%N/A0.002%Search for SEC Filing on Google Icon
5/5/2026Wealthfront Advisers LLC69,709$0.16M0.0%+8.2%0.005%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp4,010,375$9.06M0.0%+10.7%0.288%Search for SEC Filing on Google Icon
5/5/2026Sigma Planning Corp13,991$32K0.0%-43.3%0.001%Search for SEC Filing on Google Icon
5/4/2026Calamos Advisors LLC30,000$68K0.0%N/A0.002%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.56,307$0.13M0.0%+16.0%0.004%Search for SEC Filing on Google Icon
5/1/2026Sovran Advisors LLC190,477$0.43M0.0%+13.4%0.014%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC435,975$0.99M0.0%-51.5%0.031%Search for SEC Filing on Google Icon
4/30/2026Kestra Advisory Services LLC43,007$97K0.0%+11.8%0.003%Search for SEC Filing on Google Icon
4/29/2026Hartline Investment Corp53,100$0.12M0.0%N/A0.004%Search for SEC Filing on Google Icon
4/29/2026R Squared Ltd118,099$0.27M0.1%+380.3%0.008%Search for SEC Filing on Google Icon
4/28/2026Abel Hall LLC62,213$0.14M0.0%+9.2%0.004%Search for SEC Filing on Google Icon
4/28/2026GM Advisory Group LLC23,314$53K0.0%N/A0.002%Search for SEC Filing on Google Icon
4/28/2026Praxis Investment Management Inc.53,978$0.12M0.0%N/A0.004%Search for SEC Filing on Google Icon
4/27/2026PFG Investments LLC263,013$0.59M0.0%+35.3%0.019%Search for SEC Filing on Google Icon
4/27/2026Private Advisor Group LLC78,677$0.18M0.0%+7.9%0.006%Search for SEC Filing on Google Icon
4/27/2026Leonteq Securities AG176,912$0.40M0.0%-52.5%0.013%Search for SEC Filing on Google Icon
4/25/2026GPM Growth Investors Inc.20,000$45K0.0%N/A0.001%Search for SEC Filing on Google Icon
4/23/2026Inspire Investing LLC230,408$0.52M0.0%-3.3%0.017%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA192,387$0.44M0.0%+13.2%0.014%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC43,892$99K0.0%-32.4%0.003%Search for SEC Filing on Google Icon
4/22/2026Ground Swell Capital LLC42,235$95K0.2%N/A0.003%Search for SEC Filing on Google Icon
4/21/2026Pinnacle Wealth Management Advisory Group LLC11,907$27K0.0%-78.0%0.001%Search for SEC Filing on Google Icon
4/20/2026Banque Cantonale Vaudoise63,044$0.14M0.0%+14.9%0.005%Search for SEC Filing on Google Icon
4/20/2026Miller Howard Investments Inc. NY26,637$60K0.0%N/A0.002%Search for SEC Filing on Google Icon
4/18/2026Brave Asset Management Inc.30,400$69K0.0%-24.8%0.002%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC864,328$1.95M0.0%-22.8%0.062%Search for SEC Filing on Google Icon
3/23/2026J. Derek Lewis & Associates Inc.271,555$0.54M0.1%N/A0.019%Search for SEC Filing on Google Icon
3/11/2026DUTCH ASSET Corp14,642$29K0.0%N/A0.001%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC719,989$1.42M0.0%-40.6%0.052%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd154,920$0.31M0.1%+572.7%0.011%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.10,291,428$20.27M0.0%+40.2%0.740%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC172,726$0.34M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp68,908$0.13M0.0%+18.6%0.005%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC62,187$0.12M0.0%+19.4%0.004%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd1,102,923$2.17M0.0%+20.4%0.079%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC47,629$94K0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC6,965,714$13.72M0.0%-28.5%0.501%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC238,210$0.47M0.0%+22.7%0.017%Search for SEC Filing on Google Icon
2/18/2026Banco Bilbao Vizcaya Argentaria S.A.550,384$1.10M0.0%-11.2%0.040%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC490,983$0.97M0.0%+735.8%0.035%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC56,990$0.11M0.0%+115.1%0.004%Search for SEC Filing on Google Icon
2/17/2026Equitable Holdings Inc.23,216$46K0.0%N/A0.002%Search for SEC Filing on Google Icon
2/17/2026Amundi3,070,072$6.05M0.0%+6.7%0.221%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD1,058,016$2.09M0.0%+28.3%0.076%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.222,041$0.44M0.0%+13.7%0.016%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System1,071,422$2.11M0.0%-18.6%0.077%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.93,111$0.18M0.0%-5.8%0.007%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP78,375$0.15M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board61,620$0.12M0.0%-34.0%0.004%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors27,342$54K0.0%N/A0.002%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS30,428$60K0.0%+43.6%0.002%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP170,364$0.34M0.0%-83.5%0.012%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada260,452$0.51M0.0%+4.6%0.019%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.737,112$1.45M0.0%-110.7%0.053%Search for SEC Filing on Google Icon
2/17/2026Oddo BHF Asset Management Sas273,889$0.54M0.0%-11.6%0.020%Search for SEC Filing on Google Icon
2/16/2026Towarzystwo Funduszy Inwestycyjnych PZU SA13,000$26K0.0%+116.7%0.001%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC19,885$39K0.0%-77.0%0.001%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC256,957$0.51M0.0%+14.7%0.018%Search for SEC Filing on Google Icon
2/16/2026Healthcare of Ontario Pension Plan Trust Fund700,000$1.38M0.0%N/A0.050%Search for SEC Filing on Google Icon
2/16/2026K2 Principal Fund L.P.450,000$0.89M0.1%+200.0%0.032%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC1,964,774$3.87M0.0%+21.4%0.141%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC38,482$76K0.0%+17.9%0.003%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 601,501$1.19M0.0%+5.8%0.043%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co2,436,271$4.80M0.0%+923.9%0.175%Search for SEC Filing on Google Icon
2/13/2026Bridgewater Associates LP377,552$0.74M0.0%N/A0.027%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp2,937,742$5.79M0.0%+22.7%0.211%Search for SEC Filing on Google Icon
2/13/2026PCM Encore LLC61,913$0.12M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/13/2026Neuberger Berman Group LLC50,905$100K0.0%+31.0%0.004%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC41,963$81K0.0%+977.9%0.003%Search for SEC Filing on Google Icon
2/13/2026Bank of Nova Scotia245,834$0.48M0.0%+14.1%0.018%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP5,067,762$9.98M0.0%+84.7%0.364%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.10,986,091$21.64M0.0%+15.3%0.789%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey305,933$0.60M0.0%+2.1%0.022%Search for SEC Filing on Google Icon
2/13/2026State Street Corp32,258,283$63.55M0.0%+29.9%2.318%Search for SEC Filing on Google Icon
2/13/2026Van ECK Associates Corp4,362,505$8.59M0.0%-27.0%0.313%Search for SEC Filing on Google Icon
2/13/2026Vontobel Holding Ltd.2,539,926$5M0.0%-18.2%0.183%Search for SEC Filing on Google Icon
2/13/2026Caitong International Asset Management Co. Ltd54,986$0.11M0.3%+138.8%0.004%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC3,681,092$7.25M0.0%+41.0%0.265%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN1,560,186$3.07M0.0%+37.0%0.112%Search for SEC Filing on Google Icon
2/12/2026Federation des caisses Desjardins du Quebec76,864$0.15M0.0%-21.4%0.006%Search for SEC Filing on Google Icon
2/12/2026Orion Porfolio Solutions LLC27,979$55K0.0%N/A0.002%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC618,105$1.22M0.0%-2.7%0.044%Search for SEC Filing on Google Icon
2/12/2026Cibc World Markets Corp74,521$0.15M0.0%N/A0.005%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC271,463$0.54M0.0%-14.5%0.020%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC14,052,600$27.68M0.0%N/A1.010%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Plug Power logo
Plug Power Inc. develops hydrogen and fuel cell product solutions in North America, Europe, Asia, and internationally. The company offers GenDrive, a hydrogen-fueled proton exchange membrane (PEM) fuel cell system that provides power to material handling electric vehicles; GenSure, a stationary fuel cell solution that offers modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors; ProGen, a fuel cell stack and engine technology used in mobility and stationary fuel cell systems, and as engines in electric delivery vans; GenFuel, a liquid hydrogen fueling delivery, generation, storage, and dispensing system; GenCare, an ongoing Internet of Things-based maintenance and on-site service program for GenDrive fuel cell systems, GenSure fuel cell systems, GenFuel hydrogen storage and dispensing products, and ProGen fuel cell engines; and GenKey, an integrated turn-key solution for transitioning to fuel cell power. It also provides electrolyzers, a hydrogen generator for clean hydrogen production; liquefaction systems that provides liquid hydrogen to customers; cryogenic equipment for the distribution of liquified hydrogen, oxygen, argon, nitrogen and other cryogenic gases, including trailers and mobile storage equipment; and liquid hydrogen, an alternative fuel to fossil-based energy. The company sells its products through a direct product sales force, original equipment manufacturers, and dealer networks. Plug Power Inc. was incorporated in 1997 and is headquartered in Latham, New York.
Read More on Plug Power

Today's Range

Now: $3.67
Low: $3.59
High: $3.75

50 Day Range

MA: $2.72
Low: $2.12
High: $3.96

52 Week Range

Now: $3.67
Low: $0.69
High: $4.58

Volume

24,893,612 shs

Average Volume

88,932,672 shs

Market Capitalization

$5.11 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.06

Who are the company insiders with the largest holdings of Plug Power?

Plug Power's top insider investors include:
  1. Paul B Middleton (Insider)
  2. Paul B Middleton (CFO)
  3. Andrew Marsh (CEO)
  4. George C Mcnamee (Director)
  5. Keith Schmid (COO)
  6. Benjamin Haycraft (Insider)
  7. Benjamin Haycraft (EVP)
  8. Maureen O Helmer (Director)
  9. Jose Luis Crespo (Insider)
  10. Gerard L Conway Jr (SVP)
Learn More about top insider investors at Plug Power.

Who are the major institutional investors of Plug Power?

Plug Power's top institutional investors include:
  1. Dimensional Fund Advisors LP — 1.30%
  2. Bank of New York Mellon Corp — 0.29%
  3. First Trust Advisors LP — 0.26%
  4. Swiss National Bank — 0.19%
  5. Caxton Associates LLP — 0.07%
  6. SG Americas Securities LLC — 0.06%
Learn More about top institutional investors of Plug Power stock.

Which major investors are selling Plug Power stock?

In the previous quarter, PLUG stock was sold by these institutional investors:
  1. First Trust Advisors LP
  2. Hsbc Holdings PLC
  3. SG Americas Securities LLC
  4. Leonteq Securities AG
  5. Pinnacle Wealth Management Advisory Group LLC
  6. Cassaday & Co Wealth Management LLC
  7. Sterling Capital Management LLC
  8. Measured Wealth Private Client Group LLC
During the last year, company insiders that have sold Plug Power company stock include:
  1. Benjamin Haycraft (Insider)
  2. Benjamin Haycraft (EVP)
Learn More investors selling Plug Power stock.

Which major investors are buying Plug Power stock?

During the last quarter, PLUG stock was purchased by institutional investors including:
  1. Dimensional Fund Advisors LP
  2. Caxton Associates LLP
  3. Swiss National Bank
  4. Bank of New York Mellon Corp
  5. Sei Investments Co.
  6. R Squared Ltd
  7. PFG Investments LLC
  8. Bank of Nova Scotia
In the previous year, these company insiders have bought Plug Power stock:
  1. Paul B Middleton (Insider)
  2. Paul B Middleton (CFO)
  3. Jose Luis Crespo (Insider)
Learn More investors buying Plug Power stock.