GWHHIGH SIGNALFINANCIAL10-K

GWH experienced a dramatic operational contraction with revenue substantially declining while the company more than doubled its outstanding share count, indicating significant financial distress.

The company appears to be in severe operational difficulty, with revenue falling substantially alongside massive reductions in inventory and receivables that suggest minimal business activity. The doubling of shares outstanding from 12.1M to 27.2M indicates significant equity dilution, likely from emergency fundraising efforts to sustain operations.

Comparing 2026-03-05 vs 2025-03-31View on EDGAR →
FINANCIAL ANALYSIS

GWH's financial position deteriorated markedly, with revenue declining substantially to $1.6M while inventory collapsed by 97.5% to just $140K, suggesting minimal production capacity. Despite these operational challenges, losses improved meaningfully across gross profit, operating income, and cash flow metrics, primarily due to reduced R&D spending and capital expenditures. The company's stockholders equity fell 70% to $8.6M while share count more than doubled, reflecting substantial dilution from what appears to be distressed equity financing.

FINANCIAL STATEMENT CHANGES
Inventory
Balance Sheet
-97.5%
$5.6M→$140K

Inventory drawn down 97.5% — strong sell-through or deliberate destocking; watch for supply constraints.

Accounts Receivable
Balance Sheet
-94%
$215K→$13K

Receivables declined — improved collection efficiency or conservative revenue recognition.

Revenue
P&L
-74.9%
$6.3M→$1.6M

Revenue declined 74.9% — significant demand weakness or market share loss warrants investigation.

Stockholders Equity
Balance Sheet
-70.2%
$28.9M→$8.6M

Equity declined sharply — large losses, buybacks, or write-downs reducing book value significantly.

Capital Expenditure
Cash Flow
-53.6%
$7.3M→$3.4M

Capex reduced 53.6% — investment cycle winding down or capital discipline; may improve near-term free cash flow.

Current Assets
Balance Sheet
-39.5%
$43.4M→$26.2M

Current assets declined 39.5% — monitor working capital adequacy and short-term liquidity.

Gross Profit
P&L
+39%
-$45.4M→-$27.7M

Gross profit expanding — improving pricing power or product mix shift toward higher-margin offerings.

Operating Income
P&L
+36.1%
-$89.8M→-$57.4M

Operating leverage kicking in — revenue growth outpacing cost growth, a hallmark of scaling businesses.

Operating Cash Flow
Cash Flow
+30.4%
-$72.2M→-$50.3M

Operating cash flow surged 30.4% — exceptional cash generation, highest quality earnings signal.

R&D Expense
P&L
-29.5%
$11.8M→$8.3M

R&D spending cut 29.5% — could signal cost discipline or concerning reduction in innovation investment.

LANGUAGE CHANGES
NEW — 2026-03-05
PRIOR — 2025-03-31
ADDED
As of February 27, 2026, 27,173,757 shares of common stock, par value $0.0001 per share, were issued and outstanding.
Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements.
We design and produce long-duration batteries predominantly using earth-abundant materials that we believe can be cycled over 20,000 times without capacity fade based on lab-scale results.
We design and build this core technology, including battery stacks, electrolyte and electrolyte health management solutions into a core power train that is then sold in our current product focus: the gigawatt-hour scale, fully configurable Energy Base and core power trains that can be assembled at the customer site into complete storage solutions.
Our original product offering included the Energy Warehouse and Energy Center, which we are not currently offering for sale.
Examples of use cases range from localized energy storage at commercial and industrial sites to grid-scale use cases, such as peaker plant replacement and grid stabilization.
This process eliminates the hydroxide and stabilizes the electrolytes pH level.
Using our iron flow battery technology, we have developed products to provide reliable, safe, long-duration energy storage solutions.
Our third and current offering, the gigawatt-hour Energy Base storage product, is designed with a fully configurable layout that integrates with any site location and that allows the power (the rate of electricity flow) to be decoupled from the capacity (the total amount of energy held).
We continue to perform warranty and maintenance activities for our first and second product generations, the Energy Warehouse and Energy Center, that remain under contract in the field.
REMOVED
As of March 25, 2025, 12,103,750 shares of common stock, par value $0.0001 per share, were issued and outstanding.
As of April 1, 2024, the Company does not have any subsidiaries.
We design and produce long-duration batteries predominantly using earth-abundant materials that we believe can be cycled over 20,000 times without capacity fade.
We design and build this core technology, including battery stacks, electrolyte and electrolyte health management solutions into a core power train that is then sold in a variety of configurations to create distinct products that meet the various needs of the industry.
These include our smaller-scale Energy Warehouse, larger containerized Energy Centers, gigawatt-scale fully configurable Energy Base and core power trains that can be assembled at the customer site into complete storage solutions.
Our batteries and technology can be purchased with an extended ten-year warranty which is backed by investment-grade, warranty and project insurance policies from Munich Re, a leading provider of reinsurance, primary insurance and insurance-related risk solutions, which stands behind the performance of our energy storage products.
To our knowledge, we are the first long-duration energy storage company to receive this type of insurance, which provides a warranty backstop for our proprietary flow battery technology, supporting our performance obligations regardless of project size or location and de-risking the technology for our customers.
We have also collaborated with Munich Re to develop separate project coverage for our customers.
This project coverage provides warranty continuity insurance in the event of our insolvency, providing long-term assurance of project performance to our customers and their investors and lenders.
Bonding and surety capital is provided through OneBeacon Insurance Group ( OneBeacon ) as well as qualification from the U.S.
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