Amprius Technologies, Inc. (AMPX)
Amprius Technologies, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.
Amprius Technologies, Inc. (AMPX) is a Electrical Equipment & Parts company based in US with a market capitalization of $1.5B. Revenue grew 202.1% year-over-year and free cash flow was negative at -$35.5M. This page tracks AMPX's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.
US · 99 employees · IPO Sep 15, 2022
Valuation
Valuation & price
$16.85as of May 17, 2026· -26.5% vs 52w high
—
P/E ratio
Latest-FY diluted EPS
14.84
P/B ratio
Market cap ÷ book equity
—
Dividend yield
Price — last 12 months
Fundamentals
Key fundamentals
$1.5B
Market cap
202.1%
Revenue growth (YoY)
11.3%
Gross margin
-$35.5M
Free cash flow (USD)
-$50.6M
Net debt
Net cash position
22.4%
Share dilution
1/5
Graham criteria passed
Defensive-investor screen
Industrials
Sector
Trajectory
Long-term trends
Revenue by year
2020 → 2025
Free cash flow by year
2020 → 2025
Gross margin by year
2021 → 2025
Value screen
Graham defensive-investor tests
0
Insider buys · 90 days
10
Insider sells · 90 days
Earnings
Last report: 10-Q filed May 7, 2026
Next expected: not yet scheduled
On the tape
Recent SEC & insider activity
- 8-K eventJun 17, 2026Filing
Annual Meeting Results
- Insider sellJun 16, 2026Filing
Insider Sell $1.5MDIXON DONALD R · Director · $1.5M
- Insider sellJun 11, 2026Filing
Insider Sell $765KDIXON DONALD R · Director · $765.2K
- Insider sellJun 5, 2026Filing
Insider Sell $42KStepien Thomas M · Director, Chief Executive Officer · $41.9K
- Insider sellMay 28, 2026Filing
Insider Sell $320KDIXON DONALD R · Director · $320.3K
- Insider sellMay 28, 2026Filing
Insider Sell $55KStefan Constantin Ionel · Chief Technology Officer · $55.2K
- Insider sellMay 28, 2026Filing
Insider Sell $75KStepien Thomas M · Director, Chief Executive Officer · $75.2K
- Insider sellMay 28, 2026Filing
Insider Sell $6KSun Kang · Director · $6.1K
- Insider sellMay 26, 2026Filing
Insider Sell $898KStepien Thomas M · Director, Chief Executive Officer · $897.7K
- Insider sellMay 26, 2026Filing
Insider Sell $426KStefan Constantin Ionel · Chief Technology Officer · $426.1K
Questions
Frequently asked questions
What is Amprius Technologies, Inc.'s market cap?
Amprius Technologies, Inc. (AMPX) has a market capitalization of $1.5B.
What is AMPX's P/E ratio?
A meaningful P/E ratio is not available for AMPX — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.
What is AMPX's price-to-book (P/B) ratio?
AMPX trades at 14.84 times book value per share.
Are insiders buying AMPX stock?
SEC Form 4 filings show no open-market insider buys at Amprius Technologies, Inc. in the last 90 days (10 sells).
Same arena
Related companies in Electrical Equipment & Parts
Timeline
Every filing, insider trade & earnings on a price-anchored timeline
Filing Analyzer
Search the actual 10-K / 10-Q text with AI research angles
News
Latest press coverage in one feed
Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.