AMPX
Health check
See the tests
- ✗Positive net income
- ✗Positive operating cash flow
- ✓Return on assets improved
- ✓Cash flow above net income
- ✓Long-term debt / assets fell
- ✓Current ratio improved
- ✗No share dilution
- ✓Gross margin improved
- ✓Asset turnover improved
Computed by Coteau from the company's SEC filings (latest balance sheet Jun 30, 2026). Descriptive, not a forecast.
Live chart
What they do
Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications. The company provides silicon anode lithium-ion batteries under the SiCore and SiMaxx product platforms. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites.
For information only · Important disclosures
Grades vs sector
No sector grades for AMPX yet. Grades rank S&P 1500 stocks within their sector and refresh after each daily data run, so a stock outside that index or newly covered has none.
Systematic Models
Not held by any of our 5 live models right now.
News
More newsKey stats
Valuation and fundamentals
Valuation & fundamentals
Discounted cash flow
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Free cash flow = operating cash flow − capital spending, trailing 12 months (TTM to 2026-06-30). Growth default: average of 3-year revenue CAGR and latest revenue growth, capped at 30%. Years 6–10 fade linearly to terminal growth. Discount rate = 4.25% risk-free assumption + beta 2.35 × 5% equity premium, kept within 7–13%. Bear: lower growth, +1 pt discount, 2% terminal. Bull: higher growth, −1 pt, 3%.
Multiples vs sector
Forward EPS $0.10 vs trailing $-0.29. Forward P/E uses analysts' next-12-month estimate.
Backlog (remaining performance obligations)
Contracted revenue not yet recognized, from SEC filings (XBRL tag RevenueRemainingPerformanceObligation).
Quality & financial health
Piotroski F-score 6/9 · last two fiscal years
Altman Z-score 29.5 (safe zone; above 3.0 = safe, below 1.8 = distress). Not meaningful for banks and insurers.
Analysts
Annual history
| FY | Revenue | Net income | Free cash flow |
|---|---|---|---|
| 2025 | $73.0M | $-44.0M | $-35.5M |
| 2024 | $24.2M | $-44.7M | $-36.6M |
| 2023 | $9.1M | $-36.8M | $-43.1M |
| 2022 | $4.4M | $-17.3M | $-15.4M |
| 2021 | $2.8M | $-9.9M | $-8.6M |
From the company's 10-K filings via SEC XBRL. 3-year revenue CAGR +154.9%.
Earnings
| Report | EPS est | Actual | Surprise |
|---|---|---|---|
| 2026-08-04 | -0.02 | -0.04 | -88.2% |
| 2026-05-06 | -0.01 | -0.04 | -166.7% |
| 2026-03-04 | -0.04 | -0.01 | +73.7% |
| 2025-11-06 | -0.06 | -0.03 | +47.8% |
| 2025-08-07 | -0.08 | -0.05 | +37.5% |
| 2025-05-08 | -0.09 | -0.08 | +11.1% |
| 2025-03-20 | -0.10 | -0.09 | +16.4% |
| 2024-11-07 | 0.01 | -0.10 | -1100.0% |
Quarterly revenue
| Quarter | Revenue | YoY |
|---|---|---|
| 2026-06-30 | $34.0M | +125.9% |
| 2026-03-31 | $28.5M | – |
| 2025-12-31 | $24.1M | – |
| 2025-09-30 | $21.4M | – |
| 2025-06-30 | $15.1M | – |
Rating changes
Third-party analyst actions, not Coteau's views. All rating changes
Insider trades
$80.2K
$243.3K
$306.9K
$642.2K
Stats refreshed 2026-10-21 18:29:01 ET from Yahoo Finance (yfinance). "–" means the data isn't available. Refresh now
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Independent research · Not investment advice · Hypothetical unless marked Live · Data: Yahoo Finance (15-min delayed), SEC EDGAR, House Clerk · Important disclosures · Contact desk@coteau.app
Beta 0.9 · Oct 21, 2026