Information Technology · Electrical Industrial Apparatus

PLUG PLUG POWER INC SEC Filings & Insider Trading Activity 2026

company
CIK 1093691106 filings
Russell 2000

PLUG at a glance

PLUG POWER INC (PLUG, SEC CIK 1093691) filed its latest 10-K annual report on March 2, 2026, a 10-Q quarterly report on August 10, 2026, an 8-K current report on September 23, 2026 and Form 4 insider filings as recently as October 2, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), PLUG POWER INC (PLUG) reported revenue of $709.9 million (up 12.9% from FY2024) and a net loss of $1.6 billion. Diluted EPS was -$1.42.
  • As of June 30, 2026, 39 institutional investment managers tracked by SignalX reported holding PLUG POWER INC (PLUG) shares worth $1.4 billion in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Haycraft Benjamin on September 18, 2026 of 200,000 shares at $2.14 per share.
  • In the last 90 days, PLUG insiders reported 0 open-market purchases ($0) and 3 open-market sales ($496K) on Form 4, a net sale of $496K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$709.9M
+12.9% vs prior year
Insiders · 90 days
0 buys · 3 sells
Net −$496K
13F holders
39 funds
$1.4B · +3 vs prior quarter
Latest 8-K
Sep 23, 2026
Item 5.02

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Business Overview

  • Core business model: Vertically integrated clean hydrogen solutions including production, storage, delivery, fuel cells, and electrolyzers serving material handling, logistics, stationary power
  • New emphasis: Commissioned liquid hydrogen production plant in St. Gabriel, Louisiana in April 2025; expanding electrolyzer gigafactory capabilities and modular 5MW/10MW electrolyzers targeting gigawatt-scale
  • Strategic shift: Expanding geographic hydrogen production network notably into Europe and Australia; divested 49% stake in SK Plug Hyverse joint venture for $6.5 million cash
  • Quantitative highlight: Over 74,000 fuel cell systems deployed; orders totaled $724.1 million as of year-end 2025; Walmart accounted for 24.2% of revenues including a $29.2 million warrant charge
  • Noteworthy fact: Joint ventures in North America (Hidrogenii) and Europe (AccionaPlug) accelerating hydrogen infrastructure; supply chain and labor challenges impacting costs and operational efficiency

Risk Factors

  • Regulatory risk: potential delays or changes in permitting and green certification for hydrogen production facilities impacting operations and expansion
  • Geopolitical/macroeconomic risk: inflationary pressures and higher interest rates increasing costs of raw materials, labor, and transportation, squeezing margins
  • Operational/supply chain risk: reliance on limited suppliers for platinum, titanium, and iridium; shortages caused volume constraints and delayed deployments
  • Competitive risk: competition from established energy firms and alternative technologies such as advanced batteries and non-hydrogen power solutions
  • Financial risk: customer concentration risk with a few large customers whose order reductions or financial distress could materially affect revenue and cash flow

Management Discussion & Analysis

  • Revenue $709.9M in 2025, up 13% YoY from $628.8M in 2024, driven by services (+81.1%) and power purchase agreements (+38.2%)
  • Gross margin (loss) improved to -34.1% in 2025 from -99.4% in 2024, largest margin improvement in services segment (25.5% vs -10.7%)
  • Best performing segment: Services performed on fuel cell systems with $94.5M revenue and 25.5% gross margin; worst: Fuel delivered to customers with $133.4M revenue and -85.9% margin
  • Operating cash flow deficit improved to -$535.8M in 2025 from -$728.6M in 2024; investing cash use $139M down from $402.4M; financing cash inflow $630M down from $983.2M
  • Management pursuing liquidity via infrastructure sale ($132.5-$142M expected proceeds) and equity programs; risks include supply chain constraints, inflation, and labor shortages impacting costs and margins

AI summary of the PLUG 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Management Discussion & Analysis

  • Quarterly revenue $178.3M, up $4.3M or 2.5% YoY from $174.0M
  • Gross margin (0.9%) vs (30.7%) YoY
  • Best line services revenue $29.8M, up 82.3%; gross margin 27.2% vs 38.9%
  • Worst line fuel revenue $39.5M, gross margin (48.2%) vs (90.8%)
  • Headwinds: electrolyzer deployment timing, supply-chain constraints, input-cost volatility, capital needs and negative cash flows

Risk Factors

  • Newly added risk: DOE terminated $1.66 billion loan guarantee on August 4, 2026, after initial advance missed the longstop date
  • Financial reporting volatility: Fair-value losses reached $145.0 million on convertible notes and $83.9 million on warrants
  • Dilution risk: Conversion of notes or exercise of warrants could dilute stockholders
  • Regulatory trade risk: Future tariff actions could increase supply-chain costs or disrupt imports after $14.7 million refunds recognized
  • Financing risk: No amounts drawn under the terminated DOE facility, limiting near-term liquidity impact

AI summary of the PLUG 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Sep 23, 2026Full analysis →

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • COO Dean C. Fullerton resigning effective October 23, 2026, to join another company
  • Departure not attributed to disagreements over operations, policies, or practices
Filed Aug 10, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Forward-looking 8-K exhibit only, with Section 18 liability protection and no automatic incorporation by reference
  • No operating results, financial metrics, or reporting-period figures included in the provided text

Item EX-99.1: Item EX-99.1

  • Q2 2026 revenue $178.3M, up ~9% sequentially, while gross loss narrowed to $1.7M from $53.5M
  • Operating expenses fell ~50% year over year to $62.4M, supporting management’s positive EBITDAS target for Q4 2026
Filed Jul 13, 2026Full analysis →

Item 1.01: Entry into a Material Definitive Agreement

  • Gateway sale price fixed at $142.0 million, with outside closing extended to March 31, 2027
  • Approximately $6.5 million escrow deposit released promptly, plus $10.0 million additional interim-closing deposit

Item 2.02: Results of Operations and Financial Condition

  • Section 2.02 disclosure contains only regulatory safe-harbor language
  • No fiscal 2026 operating results or financial metrics provided

Item 7.01: Regulation FD Disclosure

  • Disclosure signals planned transactions and infrastructure optimization aimed at improving liquidity
  • Potential liquidity benefits remain contingent on closings, escrow releases, and regulatory approvals

Item EX-99.1: Item EX-99.1

  • Graham, Texas sale for up to $76.5M, including $50M at closing and $26.5M contingent on confirmed grid capacity
  • Texas transaction could release approximately $14M collateral, bringing potential total liquidity to approximately $90.5M

AI summaries of PLUG 8-K current reports filed with the SEC. What 8-K item codes mean

SignalX for PLUG

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  • Fund moves. Which tracked funds opened, added or cut PLUG, by share count.
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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Kenausis GregoryAOct 1, 2026$1.94
BONNEY MARK JAOct 1, 2026$1.94
Joggerst PatrickAOct 1, 2026$1.94
Angle Colin MAOct 1, 2026$1.94
Marsh AndrewASep 30, 2026-
Haycraft BenjaminSellSep 18, 2026$2.14
Haycraft BenjaminSellSep 15, 2026$2.06
Haycraft BenjaminSellSep 11, 2026$2.14

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue$891.3M$628.8M$709.9M
Operating Income-$1.3B-$2.0B-$1.5B
Net Income-$1.4B-$2.1B-$1.6B
Op. Margin-150.7%-321.2%-206.7%
Net Margin-153.6%-334.7%-229.8%
Balance Sheet
Total Assets-$3.6B$2.6B
Equity$2.9B$1.7B$978.1M
ROE-47.2%-121.4%-166.8%
Per Share
EPS-$-2.68$-1.42
Cash Flow
Operating CF--$728.6M-$535.8M
CapEx-$287.1M$111.2M

Source: XBRL data in PLUG POWER INC (PLUG)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate PLUG share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
PLUG shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202639$1.44B
Q1 202636$1.13B
Q4 202535$870.1M
Q3 202532$797.9M
Q2 202532$394.2M
Q1 202528$219.9M
Q4 202424$320.0M
Q3 202423$118.0M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions
None this quarter.

Source: 13F-HR filings on SEC EDGAR (aggregated from 249 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

PLUG filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Oct 2, 2026--
4Oct 2, 2026--
4Oct 2, 2026--
4Oct 2, 2026--
4Oct 2, 2026--
8-KSep 23, 2026Analysis-
4Sep 22, 2026--
4Sep 15, 2026--
10-QAug 10, 2026Analysis
8-KAug 10, 2026Analysis-
8-KJul 13, 2026Analysis-
4Jul 6, 2026--
4Jul 6, 2026--
4Jul 6, 2026--
4Jul 6, 2026--
4Jul 6, 2026--
4Jun 29, 2026--
4Jun 29, 2026--
4Jun 29, 2026--
4Jun 29, 2026--
4Jun 16, 2026--
4Jun 16, 2026--
4Jun 16, 2026--
4Jun 16, 2026--
4Jun 16, 2026--

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PLUG SEC filings: frequently asked questions

Are PLUG insiders buying or selling?

In the last 90 days, PLUG POWER INC (PLUG) officers, directors and 10% owners reported no open-market purchases and 3 open-market sales worth $496,478 by 1 insider on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold PLUG stock?

As of June 30, 2026, the largest PLUG POWER INC (PLUG) holders among the 13F filers tracked by SignalX were BlackRock ($498.7 million), Vanguard Portfolio Management LLC ($179.3 million), Vanguard Capital Management LLC ($170.6 million), State Street Corp ($105.0 million), Citadel Advisors LLC ($65.4 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was PLUG's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), PLUG POWER INC (PLUG) reported revenue of $709.9 million (up 12.9% from FY2024) and a net loss of $1.6 billion. Diluted EPS was -$1.42. The figures come from the XBRL data in the 10-K.

What are the main risks in PLUG's latest 10-K?

In the 10-K filed March 2, 2026, PLUG POWER INC (PLUG) flagged: Regulatory risk: potential delays or changes in permitting and green certification for hydrogen production facilities impacting operations and expansion. Geopolitical/macroeconomic risk: inflationary pressures and higher interest rates increasing costs of raw materials, labor, and transportation, squeezing margins. (AI summary of the Risk Factors section.)

What did PLUG report in its latest 8-K?

PLUG POWER INC (PLUG) filed an 8-K on September 23, 2026 reporting Item 5.02 (Departure/Appointment of Directors or Principal Officers). COO Dean C. Fullerton resigning effective October 23, 2026, to join another company.

What are the latest PLUG SEC filings?

PLUG POWER INC (PLUG) filed its latest 10-K annual report on March 2, 2026, a 10-Q quarterly report on August 10, 2026, an 8-K current report on September 23, 2026 and a Form 4 insider filing on October 2, 2026.

What is PLUG's SEC CIK number?

PLUG POWER INC (PLUG)'s SEC Central Index Key (CIK) is 1093691. EDGAR lists every PLUG filing under that number.

Ask anything about PLUG

The research agent reads PLUG's filings, financials, insider trades and 13F holders, then answers with sources.