---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-23-000037"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2023-04-19T23:59:59+00:00"
generated_at: "2026-06-16T23:56:01.979760+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Amprius enters 774K sq ft lease in Colorado for GWh-scale battery plant; contingent on zoning approval

## Summary
- Lease for 774,155 sq ft at 18875 E Bromley Lane, Brighton, CO, 180-month term starting June 1, 2024.
- Base rent $4.50–$7.04/sq ft/yr; first 19 months have rent abatement (6 months full, then partial).
- Zoning contingency: lease automatically terminates if zoning for manufacturing not obtained by Sept 30, 2023 (Landlord may extend).
- Two 5-year extension options available; security deposit of $1,200,000.
- Landlord may buy out up to 35.41% of abated rent via discounted cash payment.

## SEC filing metadata
- accession: 0001899287-23-000037
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2023-04-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000037/0001899287-23-000037-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000037/ampx-20230415.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-23-000037
- JSON: https://secwatch.observer/filing/0001899287-23-000037.json
- Plain text: https://secwatch.observer/filing/0001899287-23-000037.txt

## Key facts
- Material Agreements
  Amprius Technologies, Inc. entered into Lease Agreement with Starboard Platform Brighton JV LLC (effective 2023-04-15).
  - Action: entry
  - Agreement: lease
  - Counterparty: Starboard Platform Brighton JV LLC
  - Effective: 2023-04-15
  source text: On April 15, 2023, Amprius Technologies, Inc., a Delaware corporation (the “Company”), entered into a Lease Agreement (the “Lease Agreement”) with Starboard Platform Brighton JV LLC (the “Landlord”) to lease premises consisting of approximately 774,000 square feet of space, located at 18875 East Bromley Lane, Brighton, Colorado 80601, to build the Company’s GWh-scale manufacturing facility.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000037/0001899287-23-000037-index.htm

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