---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-25-000038"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2025-05-08T23:59:59+00:00"
generated_at: "2026-05-22T05:39:02.413328+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Amprius Q1 revenue $11.3M (+383% YoY); net loss $9.4M; adds 46 new customers

## Summary
- Revenue $11.3M, up 6% sequentially and 383% YoY, driven by 600%+ increase in SiCore shipments.
- GAAP net loss $9.4M ($0.08 per share) vs. $11.4M loss in Q4 2024 and $9.9M loss in Q1 2024.
- Gross margin negative 21%, flat sequentially; operating expenses decreased 23% QoQ to $7.3M.
- Cash and equivalents $48.4M, no debt; used $14.1M in operating cash flow.
- Received $15M purchase order from UAS OEM; $34.5M in new purchase orders added to backlog.

## SEC filing metadata
- accession: 0001899287-25-000038
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2025-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928725000038/0001899287-25-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928725000038/ampx-20250508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-25-000038
- JSON: https://secwatch.observer/filing/0001899287-25-000038.json
- Plain text: https://secwatch.observer/filing/0001899287-25-000038.txt

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