---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-25-000010"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2025-03-20T23:59:59+00:00"
generated_at: "2026-05-24T10:58:10.329733+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Amprius Q4 revenue $10.6M (+170% YoY); full-year revenue $24.2M; net loss $0.10 EPS

## Summary
- Q4 product revenue of $10.3M, up 71% sequentially and nearly 1,000% YoY; gross margin improved to -21% from -98% in year-ago quarter.
- Full-year GAAP net loss $44.7M ($0.45/shr) vs $36.8M in 2023; ended Q4 with $55.2M net cash and no debt.
- Shipped to 98 customers in Q4 (53 new); total 235 customers in 2024; added $16M purchase orders to backlog.
- New high-energy, high-power cell (370 Wh/kg, 3,500 W/kg) samples delivered; $15M order secured in Jan 2025 from UAS manufacturer.
- Access to 1.8 GWh contract manufacturing capacity; signed two Fortune 500 development agreements in H2 2024.

## SEC filing metadata
- accession: 0001899287-25-000010
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2025-03-20T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928725000010/0001899287-25-000010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928725000010/ampx-20250320.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-25-000010
- JSON: https://secwatch.observer/filing/0001899287-25-000010.json
- Plain text: https://secwatch.observer/filing/0001899287-25-000010.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.