---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-24-000045"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2024-05-09T23:59:59+00:00"
generated_at: "2026-06-02T07:13:22.134195+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Amprius Q1 revenue $2.3M, up 397% YoY; shipped to 82 customers, double Q4

## Summary
- Product revenue $2.3M (all product; no dev services); 147% sequential increase.
- Gross margin negative 190%, improved from -518% YoY but worse than -98% Q4 2023.
- Net loss $9.9M, EPS -$0.11 on 90M weighted avg shares; cash $39M, no debt.
- Customer base doubled to 82 in Q1; 76 received SiCore products; SiCore platform launched.
- Fremont 2 MWh line on track for year-end; Colorado facility design 30% complete, shifted to SiCore.

## SEC filing metadata
- accession: 0001899287-24-000045
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2024-05-09T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928724000045/0001899287-24-000045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928724000045/ampx-20240509.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-24-000045
- JSON: https://secwatch.observer/filing/0001899287-24-000045.json
- Plain text: https://secwatch.observer/filing/0001899287-24-000045.txt

## Key facts
- Earnings Releases
  Amprius Technologies, Inc. reported financial results for first fiscal quarter ended March 31, 2024.
  - Period: first fiscal quarter ended March 31, 2024
  - Result: reported results
  source text: On May 9, 2024, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its first fiscal quarter ended March 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1899287/000189928724000045/0001899287-24-000045-index.htm

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