---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-26-000065"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2026-09-26T00:54:37+00:00"
generated_at: "2026-10-12T13:28:50.512806+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Amprius awarded up to $74.8M OTA for Project acCELLerate domestic silicon-anode battery line

## Summary
- Agreement total value up to $74,793,173.11 (100% U.S. Government share, $0 contractor cost share); base period Sept 23, 2026 through Sept 22, 2028.
- $22,300,000 obligated to incrementally fund base period via FY2025 RDT&E; payments fixed-price on milestone acceptance; remaining $52,493,173.11 subject to future appropriations.
- Project acCELLerate: establish domestic high-volume manufacturing of silicon-anode high-energy-density Li-ion pouch cells and battery systems for small UAS (Groups 1, 2, 3).
- Aims at NDAA Section 842/FEOC compliance with zero Chinese, Russian, Iranian, North Korean inputs; contractor self-certified as Nontraditional Defense Contractor.
- Two priced option periods follow the base; either party may terminate for convenience with 30 days' notice, subject to good-faith settlement negotiation.

## SEC filing metadata
- accession: 0001899287-26-000065
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2026-09-26T00:54:37+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928726000065/0001899287-26-000065-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928726000065/ampx-20260923.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-26-000065
- JSON: https://secwatch.observer/filing/0001899287-26-000065.json
- Plain text: https://secwatch.observer/filing/0001899287-26-000065.txt

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