---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-124121"
form_type: "8-K"
ticker: "SLDP"
cik: "0001844862"
company_name: "Solid Power, Inc."
filed_at: "2022-12-02T23:59:59+00:00"
generated_at: "2026-06-21T10:25:10.631351+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Solid Power expands Colorado HQ lease to ~29,000 sq ft, extends term through 2029

## Summary
- Second Amendment adds 9,645 sq ft Suite D to existing lease, total rentable space now 28,840 sq ft.
- Lease term extended from Sept 2024 to Sept 2029 (146 months total); initial monthly rent $33,310.
- New monthly rent starts at $33,310, with annual increases to $40,761 by final lease year.
- Facility will continue as corporate HQ for R&D, manufacturing, and quality control.

## SEC filing metadata
- accession: 0001104659-22-124121
- form_type: 8-K
- ticker: SLDP
- cik: 0001844862
- company_name: Solid Power, Inc.
- filed_at: 2022-12-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844862/000110465922124121/0001104659-22-124121-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844862/000110465922124121/tm2231828d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-124121
- JSON: https://secwatch.observer/filing/0001104659-22-124121.json
- Plain text: https://secwatch.observer/filing/0001104659-22-124121.txt

## Key facts
- Material Agreements
  Solid Power, Inc. amended Second Amendment with Red Pierce, LLC valued at approximately $33,310 (effective 2022-12-01).
  - Action: amendment
  - Agreement: lease
  - Counterparty: Red Pierce, LLC
  - Value: approximately $33,310
  - Effective: 2022-12-01
  source text: Effective December 1, 2022 (the “Effective Date”), Solid Power Operating, Inc., a wholly owned subsidiary of Solid Power, Inc. (the “Company”), entered into a Second Amendment (the “Second Amendment”) to that certain Lease Agreement by and between the Company and Red Pierce, LLC (the “Landlord”), dated November 29, 2016, as amended (the “Original Lease” and, as amended by the Second Amendment, the “Site 1 Master Lease”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844862/000110465922124121/0001104659-22-124121-index.htm

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