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Amprius Technologies, Inc. (AMPX)

Amprius Technologies, Inc. (AMPX) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

Amprius Technologies, Inc. (AMPX) stock — financials & valuation

Key numbers for Amprius Technologies, Inc. (AMPX): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 45/100 — a percentile rank of Amprius Technologies, Inc.’s fundamentals against Manufacturing peers, weakest on profitability. A quality ranking, not a price prediction.

Market cap$1.4B
P / S12.8×
EV / EBITDA-90.4×
Gross margin22.3%
Operating margin-37.7%
Net margin-33.4%
Return on equity-30.6%
ROIC-80.5%
Revenue growth143.6%
Debt / equity0.0×
Dividend yield0.0%

Is Amprius Technologies, Inc. overvalued? P/S looks fair vs its 5-year range; P/B looks overvalued vs its 5-year range.

Independent of the events above — derived from Amprius Technologies, Inc.’s own financial statements and shown as context, never as advice.

Sep 25, 2026$22.3M prototype award
Amprius wins $22.3M U.S. defense battery award, but scale still depends on execution
Aug 13, 2026$10.5M lease extension
A seven-year lease extension adds capacity certainty—and $10.5M in commitments
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