EOSE Eos Energy Enterprises

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Industrials

· How we analyze

About the company

Eos Energy Enterprises, based in Pennsylvania, develops and builds zinc-based stationary battery storage for power grids, solar and wind farms and industrial sites. The batteries work without lithium. The company is still loss-making and is expanding production. As of Oct 16, 2026

Fact sheet (from the annual report) Pittsburgh, USA

Eos Energy Enterprises is an American energy company that designs, manufactures and offers zinc-based battery storage systems. The batteries are non-flammable and serve as an alternative to lithium-based batteries for long storage durations. Target customers are utilities, independent power producers, developers of renewable energy projects and commercial and industrial customers, as well as developers of local microgrids. In fiscal year 2025 most of the revenue came from only a few customers. Manufacturing takes place in Turtle Creek in the state of Pennsylvania; its main market is North America. Besides the storage systems, Eos offers remote monitoring, project support and maintenance programs.

Automatically summarized from SEC annual report (10-K, filed Feb 26, 2026) (website of the US Securities and Exchange Commission) · reviewed Oct 17, 2026

Price performance at a glance

Last 30 trading days
  • Today +12.4%
  • 7 days +8.3%
  • 30 days −42.5%
  • 1 year −88.2%
Day range (last trading day)
−9.3%Price at 81% of the range+2.2%
52-week range
−12.6%Price at 1% of the range+991.2%
Distance from the all-time high
−94.3%

Our own calculation from the exchange’s daily candles, as of Oct 27, 2026. “All-time” applies since the start of this series, not to the whole market. Changes in percent; the TradingView chart shows prices. “Today” = change of the last trading day versus the previous day. Not investment advice.

Fundamentals · Analysis method

Growth, margin and debt compared with the sector – in detail in the fundamental analysis further down. The chart shows the candles without a buy zone.

Growth: greenMargin: redDebt: gray

Fundamental analysis

Eos Energy Enterprises · Sector Industrials · amounts in USD

Information only – does not affect the other analysis methods, not investment advice. Source: SEC filings, As of Feb 26, 2026.

Quality checks

Four angles on the annual figures. Each check counts how many disclosed criteria are met – criteria without data do not count. The bars show where the company ranks on each figure among the stocks we cover and within its sector.

Fiscal year to Dec 31, 2025

Quality 0 of 7 met · 1 without data

  • not met: Gross margin above 40% −125.9%
  • not met: Operating margin above 15% −227.0%
  • not met: Net margin above 10% −849.1%
  • no data: Return on equity above 15% negative equity
  • not met: Free cash flow margin above 10% −232.0%
  • not met: Profit in each of the last 5 fiscal years 0 of 5
  • not met: Free cash flow positive in each of the last 3 fiscal years 0 of 3
  • not met: Equity ratio above 30% −252.9%
Gross margin

−125.9% Fiscal year 2025

No rank: too few peers or not computed yet.

Share of revenue left after the direct cost of the products sold.

Operating margin

−227.0% Fiscal year 2025

No rank: too few peers or not computed yet.

Operating income divided by revenue: what the core business earns before interest and taxes.

Net margin

−849.1% Fiscal year 2025

No rank: too few peers or not computed yet.

Profit after all costs, interest and taxes divided by revenue.

Return on assets

−109.5% Fiscal year 2025 (total assets at year end)

No rank: too few peers or not computed yet.

Net income divided by total assets at fiscal year end.

Equity ratio

−252.9% Fiscal year 2025

No rank: too few peers or not computed yet.

Equity as a share of total assets. Usually low for banks.

Free cash flow margin

−232.0% Fiscal year 2025

No rank: too few peers or not computed yet.

Free cash flow divided by revenue.

Free cash flow

−265.0M USD Fiscal year 2025

Operating cash flow minus capital expenditure on property and equipment.

Growth 3 of 4 met · 3 without data

  • met: Over 3 years, revenue grew by more than 5% per year +85.4%
  • met: Over 5 years, revenue grew by more than 5% per year +249.5%
  • no data: Over 10 years, revenue grew by more than 5% per year no comparable figures over 10 years
  • no data: Over 3 years, EPS grew by more than 5% per year not computable (loss in the first or last year, or figures missing)
  • no data: Over 5 years, EPS grew by more than 5% per year not computable (loss in the first or last year, or figures missing)
  • not met: Revenue rose in at least 4 of the last 5 fiscal years 3 of 5
  • met: Revenue rose in the last fiscal year +631.8%
Revenue growth 3 years

+85.4% per year

No rank: too few peers or not computed yet.

Average growth per year over 3 fiscal years.

Revenue growth 5 years

+249.5% per year

No rank: too few peers or not computed yet.

Average growth per year over 5 fiscal years.

Dividend 0 of 1 met · 6 without data

  • not met: Pays a dividend no dividend per share reported for the last fiscal year
  • no data: Payout ratio at most 60% of earnings pays no dividend
  • no data: Dividend paid in each of the last 5 fiscal years pays no dividend
  • no data: Dividend per share never lowered in the last 5 fiscal years pays no dividend
  • no data: Dividend per share higher than 5 years ago pays no dividend
  • no data: Free cash flow per share covers the dividend pays no dividend
  • no data: Dividends paid over the last 5 years covered by free cash flow pays no dividend

Financial strength 1 of 6 met

  • not met: Piotroski F-Score at least 7 of 9 5 of 9
  • not met: Long-term debt no higher than equity negative equity
  • met: Current assets cover current liabilities 4.94
  • not met: Positive equity −2.2B USD
  • not met: In 5 years, share count up by at most 5% +2,672.2%
  • not met: Free cash flow positive in the last fiscal year −265.0M USD
Piotroski F-Score

5 of 9 Fiscal year 2025

No rank: too few peers or not computed yet.

Nine yes/no tests on profit, cash flow, debt, liquidity and efficiency compared with the prior year.

Debt / equity

negative equity at fiscal year end

No rank: too few peers or not computed yet.

Long-term financial debt divided by equity.

Liquidity (current ratio)

4.94 at fiscal year end

No rank: too few peers or not computed yet.

Current assets divided by current liabilities.

Change in share count

+2,672.2% in 5 years

No rank: too few peers or not computed yet.

Change in diluted share count. Negative = share buybacks, positive = new shares.

The 9 criteria of the Piotroski F-Score
  • not met: Profit in the last fiscal year (positive return on assets)
  • not met: Positive operating cash flow
  • not met: Return on assets higher than the prior year
  • met: Operating cash flow higher than net income
  • met: Long-term debt relative to total assets fell
  • met: Liquidity (current assets / current liabilities) rose
  • not met: No additional shares (diluted share count did not rise)
  • met: Gross margin higher than the prior year
  • met: Revenue relative to total assets higher than the prior year

Last fiscal year compared with the one before. Returns and revenue per total assets use total assets at the start of the year; leverage = long-term financial debt divided by total assets at year end; new shares via the average diluted share count.

Price-based criteria (P/E, dividend yield) are shown to signed-in users.

Computed automatically from SEC annual reports – not investment advice. Describes the reported figures; points are not a rating of the stock.

In short

  • Light green: Revenue grew over 5 years (+249.5% per year), at least as fast as the sector median.
  • Light red: Loss in the last fiscal year.
  • Light red: Profit in 0 of 7 fiscal years.

Summarized from the lights below. Describes the reported figures – not a recommendation to buy or sell.

RevenueNet income Net margin (below) in USD
  1. Fiscal year 2019 (Jan 1, 2019 – Dec 31, 2019): Revenue 496.0K USD · Net income −79.5M USD · Net margin −16,024.8%
  2. Fiscal year 2020 (Jan 1, 2020 – Dec 31, 2020): Revenue 219.0K USD · Net income −68.8M USD · Net margin −31,394.5%
  3. Fiscal year 2021 (Jan 1, 2021 – Dec 31, 2021): Revenue 4.6M USD · Net income −124.2M USD · Net margin −2,701.5%
  4. Fiscal year 2022 (Jan 1, 2022 – Dec 31, 2022): Revenue 17.9M USD · Net income −229.8M USD · Net margin −1,282.2%
  5. Fiscal year 2023 (Jan 1, 2023 – Dec 31, 2023): Revenue 16.4M USD · Net income −229.5M USD · Net margin −1,401.3%
  6. Fiscal year 2024 (Jan 1, 2024 – Dec 31, 2024): Revenue 15.6M USD · Net income −685.9M USD · Net margin −4,394.9%
  7. Fiscal year 2025 (Jan 1, 2025 – Dec 31, 2025): Revenue 114.2M USD · Net income −969.6M USD · Net margin −849.1%

Fiscal year 2025 (Jan 1, 2025 – Dec 31, 2025): Revenue 114.2M USD · Net income −969.6M USD · Net margin −849.1%

Figures over time

Where the money of a fiscal year goes and how margins, returns, balance sheet, cash flow and share count developed over up to 10 years. Each chart has one sentence saying what the trend shows.

Money flow in fiscal year 2025

Of 100 USD of revenue, no profit was left.

Gross loss: −125.9% of revenue

Money flow as a table
Fiscal year 2025, amounts in USD, share of revenue
ItemAmountof revenue
Revenue114.2M USD100.0%
Cost of revenue258.0M USD225.9%

Taxes, interest and other items are not available separately in the SEC data; they are combined as the difference.

Margins

Gross margin Margins above ±200% hidden (revenue very small relative to the result).
  1. Fiscal year 2019: Gross margin not available
  2. Fiscal year 2020: Gross margin not available
  3. Fiscal year 2021: Gross margin not available
  4. Fiscal year 2022: Gross margin not available
  5. Fiscal year 2023: Gross margin not available
  6. Fiscal year 2024: Gross margin not available
  7. Fiscal year 2025: Gross margin −125.9%

Returns

Return on equity fell within one year from −55.9% to −382.8%.

Return on equityReturn on assets
  1. Fiscal year 2019: Return on equity not available · Return on assets −7,948,300,000.0%
  2. Fiscal year 2020: Return on equity −55.9% · Return on assets −49.7%
  3. Fiscal year 2021: Return on equity −382.8% · Return on assets −73.4%
  4. Fiscal year 2022: Return on equity not available · Return on assets −215.2%
  5. Fiscal year 2023: Return on equity not available · Return on assets −123.1%
  6. Fiscal year 2024: Return on equity not available · Return on assets −263.5%
  7. Fiscal year 2025: Return on equity not available · Return on assets −109.5%

Equity and long-term debt

The equity ratio fell in 5 years from 89.0% to −252.9%.

EquityLong-term debt in USD Long-term debt, depending on the filing, includes the current portion or leases.
  1. Fiscal year 2019: Equity −277.0 USD · Long-term debt 0.0 USD
  2. Fiscal year 2020: Equity 123.1M USD · Long-term debt 280.0K USD
  3. Fiscal year 2021: Equity 32.4M USD · Long-term debt 4.7M USD
  4. Fiscal year 2022: Equity −132.7M USD · Long-term debt 170.3M USD
  5. Fiscal year 2023: Equity −110.8M USD · Long-term debt 200.5M USD
  6. Fiscal year 2024: Equity −1.1B USD · Long-term debt 314.9M USD
  7. Fiscal year 2025: Equity −2.2B USD · Long-term debt 812.9M USD

Liquidity (current ratio)

The current ratio fell in 5 years from 9.02 to 4.94.

Current ratio
  1. Fiscal year 2019: Current ratio 0.00
  2. Fiscal year 2020: Current ratio 9.02
  3. Fiscal year 2021: Current ratio 4.77
  4. Fiscal year 2022: Current ratio 0.91
  5. Fiscal year 2023: Current ratio 2.01
  6. Fiscal year 2024: Current ratio 2.77
  7. Fiscal year 2025: Current ratio 4.94

Cash flow

Free cash flow fell in 5 years from −30.2M USD to −265.0M USD.

Operating cash flowCapital expenditureFree cash flow in USD
  1. Fiscal year 2019: Operating cash flow −23.8M USD · Capital expenditure 2.3M USD · Free cash flow −26.1M USD
  2. Fiscal year 2020: Operating cash flow −26.6M USD · Capital expenditure 3.6M USD · Free cash flow −30.2M USD
  3. Fiscal year 2021: Operating cash flow −116.1M USD · Capital expenditure 15.6M USD · Free cash flow −131.7M USD
  4. Fiscal year 2022: Operating cash flow −196.9M USD · Capital expenditure 20.1M USD · Free cash flow −216.9M USD
  5. Fiscal year 2023: Operating cash flow −145.0M USD · Capital expenditure 29.3M USD · Free cash flow −174.3M USD
  6. Fiscal year 2024: Operating cash flow −153.9M USD · Capital expenditure 33.2M USD · Free cash flow −187.1M USD
  7. Fiscal year 2025: Operating cash flow −211.2M USD · Capital expenditure 53.8M USD · Free cash flow −265.0M USD

Share count

The share count rose in 5 years by 2,672.2% – more new shares were issued than repurchased (dilution).

Diluted share count
  1. Fiscal year 2019: Diluted share count 3.9M
  2. Fiscal year 2020: Diluted share count 9.4M
  3. Fiscal year 2021: Diluted share count 52.7M
  4. Fiscal year 2022: Diluted share count 62.4M
  5. Fiscal year 2023: Diluted share count 127.0M
  6. Fiscal year 2024: Diluted share count 212.0M
  7. Fiscal year 2025: Diluted share count 260.8M

From annual reports filed with the SEC (10-K, 20-F, 40-F) as first reported, share count adjusted for splits; obvious filing errors (e.g. wrong unit, outliers against both neighbouring years) are hidden. Describes the reported figures – not investment advice.

Dividends and share repurchases

How much the company returns to its shareholders – as dividends or by repurchasing its own shares – and whether free cash flow supports it.

Dividend per share
none pays no dividend
Share count over 5 years
+2,672.2% more shares – dilution

Dividends paid, repurchases and new shares issued from the cash flow statement of annual reports filed with the SEC (as first reported). Describes the reported figures – not investment advice.

Valuation over time

Price-based valuation (P/E, P/S, price/free cash flow and dividend yield per fiscal year, compared with its own average) for signed-in users.

Key figures with traffic lights

Each light follows a simple, disclosed rule. The comparison is with the sector median of all 90 symbols in the Industrials sector on our list (current members of the S&P 500 and other lists).

Revenue growth

Light green: above sector

+249.5% per year, last 5 years

Sector Industrials: median +8.0% (81 symbols)

What does this mean? Revenue: over 5 years it grew by 249.5% per year on average – at least as fast as the median company in the sector (+8.0%).

Light rule: Green: grows at least as fast as the sector median (without a sector comparison: grows) · Yellow: grows more slowly · Red: shrinks.

Net income (total)

Light gray: not computable

– per year, last 5 years

Sector Industrials: median +10.0% (66 symbols)

per share: not computable (loss in the first or last year)

What does this mean? There was a loss in the first or last year. An annual growth rate cannot be calculated meaningfully then.

Light rule: Green: grows at least as fast as the sector median (without a sector comparison: grows) · Yellow: grows more slowly · Red: shrinks.

Net margin

Light red: Loss

−849.1% last fiscal year

Sector Industrials: median 11.1% (88 symbols)

What does this mean? Of every 100 USD in revenue there was no profit but a loss of 849.06 USD. Five years ago the margin was −31,394.5%.

Light rule: Green: at least the sector median (without a sector comparison: profit) · Yellow: profit, but below the median · Red: loss.

Debt / equity

Light gray: negative equity

– latest balance sheet

Sector Industrials: median 0.59 (67 symbols)

What does this mean? Equity is negative (e.g. due to share buybacks). A debt-to-equity ratio cannot be formed meaningfully then.

Light rule: Green: at most the sector median · Yellow: up to twice the median · Red: more than twice · Gray: without a sector comparison.

Payout ratio

Light gray: none found

– Dividend / earnings per share

Sector Industrials: median 35% (65 symbols)

What does this mean? The loaded SEC filings of the last two fiscal years contain no dividend per share. Either the company pays none, or it reports it under a different tag.

Light rule: Green: up to 60% of earnings · Yellow: up to 100% · Red: more than earnings or a dividend despite a loss · Gray for real estate (REITs). The sector median is for comparison only.

Profitable years

Light red: 7 loss years

0 of 7 fiscal years with a profit

What does this mean? In 0 of the last 7 fiscal years the bottom line showed a profit. 7 years ended with a loss.

Light rule: Green: profit in every year · Yellow: one loss year · Red: several loss years (at least 3 years needed).

Last fiscal year and 13F

Information, not a trading signal · Source: SEC EDGAR
Revenue (FY)
114.2M USD
Revenue vs. prior year
+631.8%
Net income (FY)
−969.6M USD
Net income vs. prior year
–
EPS (FY)
-6.69 USD
13F funds with a position
–
Funds vs. prior quarter
–
Shares held vs. prior quarter
–
Fiscal year to Dec 31, 2025 · 10-K filed Feb 26, 2026 · Price-based figures (P/E, P/S, dividend yield, market cap) only when logged in. · Values as first reported; debt = reported financial debt (US GAAP: long-term). 13F: reporting date Jun 30, 2026, 9 tracked funds have filed (latest Aug 14, 2026), filed with up to 45 days of delay. Stock positions only; comparison with Mar 31, 2026 only across funds that filed for both quarters.
All figures as a table
Fiscal years (amounts in USD, per share in USD)
YearEndRevenueNet income MarginEarnings per shareDividend per sharePayout
2025Dec 31, 2025 114.2M−969.6M −849.1% −6.69 – –
2024Dec 31, 2024 15.6M−685.9M −4,394.9% −4.55 – –
2023Dec 31, 2023 16.4M−229.5M −1,401.3% −1.81 – –
2022Dec 31, 2022 17.9M−229.8M −1,282.2% −3.68 – –
2021Dec 31, 2021 4.6M−124.2M −2,701.5% −2.36 – –
2020Dec 31, 2020 219.0K−68.8M −31,394.5% −7.31 – –
2019Dec 31, 2019 496.0K−79.5M −16,024.8% −20.22 – –
Quarters (amounts in USD, per share in USD)
QuarterEndRevenueNet income MarginEarnings per shareDividend per sharePayout
Q2/26Jun 30, 2026 68.8M−275.7M −400.9% −1.20 – –
Q1/26Mar 31, 2026 57.0M508.9M 893.4% 0.12 – –
Q4/25*Dec 31, 2025 58.0M−120.5M −207.7% – – –
Q3/25Sep 30, 2025 30.5M−641.4M −2,102.1% −4.91 – –
Q2/25Jun 30, 2025 15.2M−222.9M −1,463.2% −1.05 – –
Q1/25Mar 31, 2025 10.5M15.1M 144.7% −0.20 – –
Q4/24*Dec 31, 2024 7.3M−268.1M −3,696.7% – – –
Q3/24Sep 30, 2024 854.0K−342.9M −40,148.2% −1.77 – –
Q2/24Jun 30, 2024 898.0K−28.2M −3,137.2% −0.25 – –
Q1/24Mar 31, 2024 6.6M−46.7M −707.6% −0.23 – –
Q4/23*Dec 31, 2023 6.6M−41.2M −623.4% – – –
Q3/23Sep 30, 2023 684.0K14.9M 2,183.0% −0.05 – –

* Q4 derived: fiscal year minus the 9-month value (EPS cannot be derived this way); may be distorted by restatements.

How we calculate: values as first reported to the SEC (later corrections are left out), a fixed order of reporting tags per figure, partial sums are never added up. Growth per year over 5 years (otherwise 3 years). Quarters are labeled by the calendar quarter in which they end.

Insiders

All insider transactions
Insider purchases and sales on the market over 3, 6 and 12 months
PeriodPurchasesSalesNet
3 months $58.7K1 person $1.8M3 people −$1.7M
6 months $58.7K1 person $3.6M6 people −$3.6M
12 months $751.7K4 people $18.0M8 people −$17.3M

Latest transactions

  • Sep 16, 2026 Puri Sumeet Officer Open-market sale · 10b5-1 plan 43,750 shares · $171.5K · SEC
  • Sep 16, 2026 Mastrangelo Joe Chief executive (CEO), Director Open-market sale · 10b5-1 plan 250,000 shares · $980.0K · SEC
  • Sep 14, 2026 Song Haiyan Director Open-market purchase 5,000 shares · $19.2K · SEC
  • Sep 11, 2026 Song Haiyan Director Open-market purchase 10,000 shares · $39.5K · SEC
  • Sep 9, 2026 Puri Sumeet Officer Open-market sale · 10b5-1 plan 34,167 shares · $141.1K · SEC
  • Jul 28, 2026 Puri Sumeet Officer Open-market sale · 10b5-1 plan 29,167 shares · $98.0K · SEC

Source: mandatory filings with the SEC (Form 4), open-market purchases and sales only. General information, not investment advice.

Trend score -100

Price vs. EMA 50-15
Price vs. EMA 200-15
EMA 50 vs. EMA 200-20
ADX (trend strength)-15
Highs and lows-20
Relative strength-15

Volatility and trend strength

ADX 14 (trend strength)44.2
Rel. strength 60 d−52.0%

ATR and moving averages as price values only when logged in.

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All symbols in this sector

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