Shareholders being diluted. Shares outstanding up 73% from December 2022 to July 2026.
Amprius Technologies had 73% more shares at July 2026 than at December 2022, mostly from issuing stock (for pay, acquisitions or fundraising). Each existing share now owns a smaller slice of the business.Amprius Technologies had 73% more shares at July 2026 than at December 2022, mostly from issuing stock. Each existing share now owns a smaller slice of the business.
Stock-based pay is a large cost. Stock pay was 10% of revenue in 2025.
Amprius Technologies paid employees $7M in stock in 2025, 10% of its $73M revenue. It doesn't use cash, so it flatters cash flow, but it is a real cost to shareholders through dilution.
Operating margin improving. Operating margin -64% in 2025, the best of the last 5 years, but the dollar loss grew to $47M from $46M.
Amprius Technologies still lost money on operations in 2025. Revenue grew faster than costs, so the margin (-64%) was its best in the 5 years of filings we have, but the operating loss itself grew to $47M from $46M.
Growing fast, still losing money. Revenue grew faster than 95% of peers, at an operating loss.
Revenue grew faster than 95% of peers, but the business runs at an operating loss (margin -38%).
Sector-normalized EBITDA, earnings, and free cash flow yields.
Earnings yield-2.8%
SEC filings · 12 months to Jun 2026Negative (a loss or cash outflow), so it counts as zero whatever the share price30% base weight · Z-score -1.28Sector median: 0.0377 · MAD: 0.0294
EBITDA yield-1.2%
Yahoo Finance fallback · SEC enterprise value unavailable (debt or EBITDA not reported in standard form) · trailing 12 monthsNegative (a loss or cash outflow), so it counts as zero whatever the share price50% base weight · Z-score -1.64Sector median: 0.0695 · MAD: 0.0425
Free cash flow yield-4.5%
SEC filings · 12 months to Jun 2026 · operating cash flow − capital spendingNegative (a loss or cash outflow), so it counts as zero whatever the share price20% base weight · Z-score -1.00Sector median: 0.0370 · MAD: 0.0370
Yahoo Finance fallback · no standard SEC debt tagReported value33% base weight · Z-score 1.04Sector median: 0.4019 · MAD: 0.3378
Valuation, growth and profitability scores: higher is better. Risk: 0 is lower, 2 is higher. Risk is a relative proxy, not a bankruptcy probability. Scores depend on available sector peers.
Questions investors ask about Amprius Technologies
Is Amprius Technologies getting weaker?
Its latest SEC filing (Aug 6, 2026) was mixed: some things better, some worse: operating margin rose 10.7 points to -37.7%; share count up 3.1%. Its overall score is unchanged at 48/100 since Oct 28, 2026.
How is Amprius Technologies valued vs its peers?
Priced higher than most peers relative to what it earns. Valuation scores 9/100 against 2,459 industrials peers.Earnings yield -2.8% vs a peer median of 3.8% (weaker than 100% of peers).Earnings yield -2.8% vs peers 3.8% (weaker than 100% of peers).
Is Amprius Technologies growing?
Yes, faster than most of its peers. Growth scores 95/100 against 2,459 industrials peers.3-year revenue growth 203.2% vs a peer median of 4.2% (stronger than 95% of peers).3-year revenue growth 203.2% vs peers 4.2% (stronger than 95% of peers).
How profitable is Amprius Technologies?
Less profitable than most of its peers. Profitability scores 0/100 against 2,459 industrials peers.Operating margin -37.7% vs a peer median of 7.7% (weaker than 100% of peers).Operating margin -37.7% vs peers 7.7% (weaker than 100% of peers).
How risky is Amprius Technologies?
Lower risk relative to 2,459 industrials peers, judged on debt, liquidity and share-price swings.Current ratio 7.17× vs a peer median of 1.62× (stronger than 95% of peers).Current ratio 7.17× vs peers 1.62× (stronger than 95% of peers).Beta 2.35 vs a peer median of 0.64 (weaker than 100% of peers).Beta 2.35 vs peers 0.64 (weaker than 100% of peers). A relative measure, not a bankruptcy probability.
Latest filing: what changed
Quarter ended Jun 30, 2026 · filed Aug 6, 2026 · compared with the quarter ended Mar 31, 2026
Mixed: some things better, some worse
Operating margin rose 10.7 points to -37.7%
Share count up 3.1% (existing holders diluted)
Worth watching: Amprius Technologies is in the bottom fifth of its sector on profitability. From 2021 to 2025, 63% of companies in that position posted a loss over the following year, against 4% for the top fifth.
Previous quarter
Latest quarter
Change
Revenue (12 months)
90.3M USD
109.2M USD
+21.0%
Net income (12 months)
−39.7M USD
−36.5M USD
−8.1%
Operating margin
-48.4%
-37.7%
+10.7 pts
Free cash flow (12 months)
−58.8M USD
−58.4M USD
−0.5%
Cash
62.4M USD
74.5M USD
+19.5%
Shares outstanding
141.6M
146.1M
+3.1%
From the company’s own SEC filings, as filed. Twelve-month figures roll forward one quarter at a time.
Industry valuation context
Sector: Industrials · 318 companies
Valuations in Industrials are near the top of their range since 2016.
85% of months since 2016 were valued lower than now.
41% of companies are in the most expensive fifth of their own price-to-sales history.
Over 24 months, company values +20% and earnings +14% (medians): prices and earnings moved broadly together.
Median price-to-sales is −24% vs the whole market, against a usual −31%.
2016Shaded: most expensive fifth of its range2026
Shown for Industrials: too few Electrical Equipment & Parts companies have a long enough history of their own.
Describes valuations since 2016; it does not predict prices. US companies worth $1B+, from SEC filings and month-end prices, as of Aug 2026. Today's companies and industry labels are used throughout. Measured on earnings, EBITDA, sales and free cash flow yields. How this works
Financials
Fiscal years from SEC annual filings · change vs the prior year
Key ratios
FY 2021
FY 2022
FY 2023
FY 2024
FY 2025
Change
Gross margin
-156.2%
-128.2%
-162.1%
-75.8%
11.3%
▲ 87 pts
Operating margin
-383.2%
-409.2%
-427.6%
-191.4%
-63.9%
▲ 128 pts
Net margin
-357.0%
-393.1%
-406.2%
-184.8%
-60.3%
▲ 125 pts
Return on assets (ROA)
-53.4%
-20.8%
-34.1%
-36.9%
-28.1%
▲ 8.8 pts
Return on equity (ROE)
-71.4%
-23.7%
-61.5%
-64.3%
-42.4%
▲ 22 pts
Free cash flow margin
-311.1%
-348.4%
-476.1%
-151.3%
-48.7%
▲ 103 pts
Current ratio
3.40×
10.87×
3.75×
4.00×
7.08×
▲ 77%
Quick ratio
3.28×
10.80×
3.70×
3.61×
6.70×
▲ 85%
AMPX price history
Price history is added with the daily price update and will appear after the next one.