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ZeroStack Corp Financials

ZSTK
Source SEC Filings (10-K/10-Q) Data as of Mar 31, 2026 Currency USD FYE December

This page shows ZeroStack Corp (ZSTK) financial statements, including the income statement, balance sheet, cash flow statement, and key financial ratios. View 5 years of annual fundamentals and quarterly data, with year-over-year growth rates and compound annual growth rates (CAGR). All figures are derived from SEC filings (10-K and 10-Q reports).

Rhea AI ZSTK FY2025

Debt-funded balance-sheet expansion is masking a business with vanishing gross profit and losses far larger than cash burn.

In FY2025, net loss reached $119.7M and operating loss hit $154.7M, yet free cash flow was only -$8.8M; that gap is too large to come from ordinary cash expenses alone, so the income statement was likely dominated by non-cash charges. At the same time, assets rose to $130.2M from $26.2M and long-term debt moved from $0 to $50.8M, meaning the balance sheet expanded even while the operating engine still consumed cash.

The more structural issue is gross margin compression: after running at 23.3% in FY2023, it fell to 6.1% in FY2024 and 4.6% in FY2025. With revenue essentially flat near $35.7M across the last two years, the company is keeping very little gross profit to absorb overhead, so losses are not just a scale problem.

Liquidity is thin rather than abundant: cash was $5.6M and the current ratio was 1.0x in FY2025, down from 7.8x in FY2021. Because financing inflow of $11.3M exceeded operating cash burn of -$8.7M, the cash balance was supported more by outside capital than by self-funded operations.

[ NOT FINANCIAL ADVICE ]

Financial Health Signals

Cash Runway Dilution R&D Intensity Revenue Progress Burn Trend Balance Sheet 34 / 100
Financial Health Score 34/100
Scored as: Emerging companies peer group

Scored against emerging companies for FY2025. Each of the six dimensions is a percentile rank within that peer group; the overall is their average, with missing dimensions counted as zero out of six. A high score means strong standing among peers, not absolute cross-industry strength. How this score is calculated →

Health score ≠ stock price. This rates the quality of ZeroStack Corp's business: profitability, growth, balance sheet strength. It doesn't tell you whether the stock is a good buy at today's price. Not financial advice. Use it alongside valuation analysis and your own research.

Cash Runway
34
Dilution
94
Revenue Progress
14
Burn Trend
41
Balance Sheet
22
Altman Z-Score Distress
-6.57

ZeroStack Corp scores -6.57, below the 1.81 distress threshold. The score is driven primarily by a large market capitalization ($6.1M) relative to total liabilities ($59.7M). This indicates elevated financial distress risk and warrants close attention to liquidity and debt levels.

Distress-screening estimate for non-financial companies. Not computed for banks or insurers, where the Altman model does not apply.

Piotroski F-Score Weak
1/9

ZeroStack Corp passes 1 of 9 financial strength tests. 1 of 4 profitability signals pass, no leverage/liquidity signals pass (rising debt, declining liquidity, or share dilution), neither operating efficiency signal passes.

Earnings Quality Low Quality
0.07x

For every $1 of reported earnings, ZeroStack Corp generates $0.07 in operating cash flow (-$8.7M OCF vs -$119.7M net income). This low ratio suggests earnings are primarily driven by accounting accruals rather than cash generation, which may not be sustainable.

Interest Coverage At Risk
-636.4x

ZeroStack Corp earns $-636.4 in operating income for every $1 of interest expense (-$154.7M vs $243K). This narrow margin raises concern about the company's ability to service its debt if operating income declines.

Key Financial Metrics

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Earnings & Revenue

Revenue
$35.7M
YoY-0.5%

ZeroStack Corp generated $35.7M in revenue in fiscal year 2025. This represents a decrease of 0.5% from the prior year.

EBITDA
-$154.1M
YoY-1788.8%

ZeroStack Corp's EBITDA was -$154.1M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization. This represents a decrease of 1788.8% from the prior year.

Net Income
-$119.7M
YoY-652.7%

ZeroStack Corp reported -$119.7M in net income in fiscal year 2025. This represents a decrease of 652.7% from the prior year.

EPS (Diluted)
$-43.49
YoY+13.1%

ZeroStack Corp earned $-43.49 per diluted share (EPS) in fiscal year 2025. This represents an increase of 13.1% from the prior year.

Cash & Balance Sheet

Free Cash Flow
-$8.8M
YoY-70.4%

ZeroStack Corp generated -$8.8M in free cash flow in fiscal year 2025, representing cash available after capex. This represents a decrease of 70.4% from the prior year.

Cash & Debt
$5.6M
YoY+7.1%

ZeroStack Corp held $5.6M in cash against $50.8M in long-term debt as of fiscal year 2025.

Dividends Per Share
N/A
Shares Outstanding
1M
YoY+118.8%

ZeroStack Corp had 1M shares outstanding in fiscal year 2025. This represents an increase of 118.8% from the prior year.

Margins & Returns

Gross Margin
4.6%
YoY-1.5pp

ZeroStack Corp's gross margin was 4.6% in fiscal year 2025, indicating the percentage of revenue retained after direct costs. This is down 1.5 percentage points from the prior year.

Operating Margin
-433.5%
YoY-408.6pp

ZeroStack Corp's operating margin was -433.5% in fiscal year 2025, reflecting core business profitability. This is down 408.6 percentage points from the prior year.

Net Margin
-335.6%
YoY-291.3pp

ZeroStack Corp's net profit margin was -335.6% in fiscal year 2025, showing the share of revenue converted to profit. This is down 291.3 percentage points from the prior year.

Return on Equity
-169.7%
YoY+183.0pp

ZeroStack Corp's ROE was -169.7% in fiscal year 2025, measuring profit generated per dollar of shareholder equity. This is up 183.0 percentage points from the prior year.

Capital Allocation

R&D Spending
N/A
Share Buybacks
N/A
Capital Expenditures
$127K
YoY-5.2%

ZeroStack Corp invested $127K in capex in fiscal year 2025, funding long-term assets and infrastructure. This represents a decrease of 5.2% from the prior year.

ZSTK Income Statement

Metric Q1'26 Q4'25 Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24
Revenue $7.3M+70.5% $4.3M-56.2% $9.7M-34.1% $14.8M+115.5% $6.9M N/A $7.2M-53.8% $15.7M
Cost of Revenue $4.1M-34.7% $6.3M-32.9% $9.4M-21.3% $12.0M+89.0% $6.3M N/A $6.7M-46.1% $12.5M
Gross Profit $3.1M+253.4% -$2.1M-712.2% $335K-88.2% $2.8M+429.0% $535K N/A $495K-84.4% $3.2M
R&D Expenses N/A N/A N/A $73K-35.4% $113K N/A $118K+90.3% $62K
SG&A Expenses N/A -$312K-166.0% $473K-37.8% $760K+61.7% $470K N/A $409K-30.3% $587K
Operating Income -$62.7M+57.4% -$147.2M-4407.1% -$3.3M-27.3% -$2.6M-58.5% -$1.6M N/A -$2.1M+40.2% -$3.5M
Interest Expense $66K+148.2% -$137K-124.6% -$61K+36.5% -$96K-288.2% $51K N/A -$26K-115.1% $172K
Income Tax -$9K-1000.0% $1K-94.4% $18K+137.5% -$48K-154.5% $88K N/A -$66K-88.6% -$35K
Net Income -$36.7M+66.6% -$109.9M-1550.4% -$6.7M-176.1% -$2.4M-218.2% -$758K N/A -$3.8M-43.5% -$2.6M
EPS (Diluted) $-3.68 N/A $-9.05 $-0.11+92.9% $-1.54 N/A $-11.03-5152.4% $-0.21

ZSTK Balance Sheet

Metric Q1'26 Q4'25 Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24
Total Assets $45.2M-65.3% $130.2M+76.0% $74.0M+226.5% $22.7M+1.2% $22.4M-14.6% $26.2M-10.4% $29.3M-2.7% $30.1M
Current Assets $11.2M+29.1% $8.7M-51.8% $18.1M+37.1% $13.2M-0.2% $13.2M-33.1% $19.8M-7.2% $21.3M-0.3% $21.4M
Cash & Equivalents $2.0M-64.7% $5.6M-57.3% $13.1M+790.6% $1.5M-60.0% $3.7M-29.6% $5.2M+24.1% $4.2M-31.3% $6.1M
Inventory $1.6M-15.0% $1.9M-23.6% $2.5M-48.3% $4.8M+0.2% $4.8M+114.0% $2.2M-71.5% $7.9M+16.5% $6.7M
Accounts Receivable $783K-2.0% $799K-65.1% $2.3M-55.0% $5.1M+25.7% $4.0M+158.4% $1.6M-60.0% $3.9M+19.5% $3.3M
Goodwill N/A N/A N/A $4.7M+3.8% $4.5M+125.6% $2.0M-6.7% $2.1M-6.2% $2.3M
Total Liabilities $8.4M-85.9% $59.7M+556.1% $9.1M-51.2% $18.6M+5.7% $17.6M-18.8% $21.7M-9.9% $24.1M+10.5% $21.8M
Current Liabilities $8.1M-6.1% $8.6M-0.8% $8.7M-37.0% $13.8M+9.7% $12.6M-33.1% $18.8M-9.9% $20.9M+13.6% $18.4M
Long-Term Debt $38K-99.9% $50.8M+79223.4% $64K-80.4% $326K+18.5% $275K $0 N/A N/A
Total Equity $36.8M-47.8% $70.6M+8.7% $64.9M+1513.7% $4.0M-15.4% $4.8M+5.5% $4.5M+6.1% $4.3M-41.9% $7.3M
Retained Earnings -$314.4M-13.2% -$277.8M-65.5% -$167.9M-4.1% -$161.3M-1.5% -$158.9M-0.5% -$158.1M-4.0% -$152.0M-2.5% -$148.2M

ZSTK Cash Flow Statement

Metric Q1'26 Q4'25 Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24
Operating Cash Flow -$3.8M-21.7% -$3.2M-3260.0% $100K+103.4% -$3.0M-11.0% -$2.7M-97.7% -$1.3M+35.3% -$2.1M-685.3% -$265K
Capital Expenditures $0-100.0% $29K+222.2% $9K-86.2% $65K+170.8% $24K $0-100.0% $20K-23.1% $26K
Free Cash Flow -$3.8M-20.6% -$3.2M-3604.4% $91K+103.0% -$3.0M-12.5% -$2.7M-99.5% -$1.3M+35.9% -$2.1M-622.0% -$291K
Investing Cash Flow $0+100.0% -$2.8M-25454.5% -$11K+98.9% -$1.0M-371.9% $370K $0-100.0% $236K+329.1% $55K
Financing Cash Flow $571K+179.4% -$719K-106.8% $10.6M+598.1% $1.5M $0-100.0% $3.4M+1416.3% -$257K-105.6% $4.6M
Dividends Paid N/A N/A N/A N/A N/A N/A N/A N/A
Share Buybacks N/A N/A N/A N/A N/A N/A N/A N/A

ZSTK Financial Ratios

Metric Q1'26 Q4'25 Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24
Gross Margin 43.3%+91.3pp -48.1%-51.5pp 3.4%-15.7pp 19.1%+11.3pp 7.8% N/A 6.8%-13.4pp 20.2%
Operating Margin -861.3%+2589.2pp -3450.6%-3417.1pp -33.5%-16.2pp -17.3%+6.2pp -23.6% N/A -29.2%-6.7pp -22.6%
Net Margin -504.0%+2072.3pp -2576.3%-2507.9pp -68.3%-52.0pp -16.3%-5.3pp -11.0% N/A -52.1%-35.4pp -16.8%
Return on Equity -99.6%+56.1pp -155.8%-145.5pp -10.3%+49.7pp -60.0%-44.0pp -15.9% N/A -88.8%-52.8pp -36.0%
Return on Assets -81.1%+3.3pp -84.4%-75.4pp -9.0%+1.6pp -10.6%-7.3pp -3.4% N/A -12.9%-4.1pp -8.7%
Current Ratio 1.39+0.4 1.01-1.1 2.08+1.1 0.96-0.1 1.050.0 1.05+0.0 1.02-0.1 1.16
Debt-to-Equity 0.00-0.7 0.72+0.7 0.00-0.1 0.08+0.0 0.06+0.1 0.00-5.7 5.67+2.7 2.98
FCF Margin -52.9%+21.9pp -74.8%-75.7pp 0.9%+21.3pp -20.4%+18.7pp -39.1% N/A -29.0%-27.2pp -1.9%

Frequently Asked Questions

ZeroStack Corp (ZSTK) reported $35.7M in total revenue for fiscal year 2025. This represents a -0.5% change compared to the previous fiscal year. Revenue measures the total income earned from the company's primary business operations before any expenses are deducted.

ZeroStack Corp (ZSTK) revenue declined by 0.5% year-over-year, from $35.9M to $35.7M in fiscal year 2025.

No, ZeroStack Corp (ZSTK) reported a net income of -$119.7M in fiscal year 2025, with a net profit margin of -335.6%.

ZeroStack Corp (ZSTK) reported diluted earnings per share of $-43.49 for fiscal year 2025. This represents a 13.1% change compared to the previous fiscal year. EPS represents the portion of a company's net income allocated to each outstanding share of common stock and is widely used to evaluate profitability on a per-share basis.

ZeroStack Corp (ZSTK) had EBITDA of -$154.1M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization.

As of fiscal year 2025, ZeroStack Corp (ZSTK) had $5.6M in cash and equivalents against $50.8M in long-term debt.

ZeroStack Corp (ZSTK) had a gross margin of 4.6% in fiscal year 2025, indicating the percentage of revenue retained after direct costs of goods sold.

ZeroStack Corp (ZSTK) had an operating margin of -433.5% in fiscal year 2025, reflecting the profitability of core business operations before interest and taxes.

ZeroStack Corp (ZSTK) had a net profit margin of -335.6% in fiscal year 2025, representing the share of revenue converted into profit after all expenses.

ZeroStack Corp (ZSTK) has a return on equity of -169.7% for fiscal year 2025, measuring how efficiently the company generates profit from shareholder equity.

ZeroStack Corp (ZSTK) generated -$8.8M in free cash flow during fiscal year 2025. This represents a -70.4% change compared to the previous fiscal year. Free cash flow represents the cash a company generates after accounting for capital expenditures, and is widely used to assess financial flexibility and shareholder value.

ZeroStack Corp (ZSTK) generated -$8.7M in operating cash flow during fiscal year 2025, representing cash generated from core business activities.

ZeroStack Corp (ZSTK) had $130.2M in total assets as of fiscal year 2025, including both current and long-term assets.

ZeroStack Corp (ZSTK) invested $127K in capital expenditures during fiscal year 2025, funding long-term assets and infrastructure.

ZeroStack Corp (ZSTK) had 1M shares outstanding as of fiscal year 2025.

ZeroStack Corp (ZSTK) had a current ratio of 1.01 as of fiscal year 2025, which is considered adequate.

ZeroStack Corp (ZSTK) had a debt-to-equity ratio of 0.72 as of fiscal year 2025, measuring the company's financial leverage by comparing total debt to shareholder equity.

ZeroStack Corp (ZSTK) had a return on assets of -91.9% for fiscal year 2025, measuring how efficiently the company uses its assets to generate profit.

Based on fiscal year 2025 data, ZeroStack Corp (ZSTK) had $5.6M in cash against an annual operating cash burn of $8.7M. This gives an estimated cash runway of approximately 8 months at the current burn rate. Cash runway measures how long a company can continue operating before running out of cash, assuming no additional funding.

ZeroStack Corp (ZSTK) has an Altman Z-Score of -6.57, placing it in the Distress Zone (elevated bankruptcy risk). The Z-Score combines five financial ratios (working capital, retained earnings, EBIT, market capitalization, and revenue relative to total assets) to predict the likelihood of bankruptcy. Scores above 2.99 indicate financial safety while scores below 1.81 suggest financial distress. Learn more in our complete guide to financial health indicators.

ZeroStack Corp (ZSTK) has a Piotroski F-Score of 1 out of 9, indicating weak financial health. The F-Score evaluates nine binary signals across profitability (positive ROA, positive cash flow, improving ROA, earnings quality), leverage (decreasing debt, improving liquidity, no share dilution), and operating efficiency (improving gross margin, improving asset turnover). Scores of 7 to 9 indicate strong and improving fundamentals. Learn more in our complete guide to financial health indicators.

ZeroStack Corp (ZSTK) has an earnings quality ratio of 0.07x, considered low quality (accrual-driven). This ratio compares operating cash flow to net income. A ratio above 1.0x means the company generates more cash than its reported earnings, indicating sustainable, cash-backed profits. Ratios below 1.0x suggest earnings rely on accounting accruals rather than actual cash generation. Learn more in our complete guide to financial health indicators.

ZeroStack Corp (ZSTK) has an interest coverage ratio of -636.4x, meaning it can struggle to cover its interest obligations. This ratio divides operating income by interest expense. Ratios above 5x indicate strong debt-servicing ability, while ratios below 2x suggest the company may face difficulty meeting interest payments if earnings decline. Learn more in our complete guide to financial health indicators.

ZeroStack Corp (ZSTK) scores 34 out of 100 on our Financial Health Score, indicating weak standing within its emerging companies peer group. The score is a 0-100 composite of six dimensions (Cash Runway, Dilution, R&D Intensity, Revenue Progress, Burn Trend, Balance Sheet), each ranked as a percentile relative to companies in the same scoring family (banks against banks, REITs against REITs, and so on) rather than across all industries. It rates the quality of the business, not whether the stock is fairly priced, and is not financial advice. Learn more in our complete guide to financial health indicators.

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