---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-091609"
form_type: "8-K"
ticker: "SLDP"
cik: "0001844862"
company_name: "Solid Power, Inc."
filed_at: "2024-08-21T23:59:59+00:00"
generated_at: "2026-05-31T08:18:24.040340+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Solid Power expands Louisville facility lease, adds 9,600 sq ft and extends term to Dec 2029

## Summary
- Third Amendment adds Suite C (9,600 sq ft) to existing 28,840 sq ft, total leased space becomes 38,440 sq ft.
- Lease term extended from Sep 6, 2029 to Dec 31, 2029; expansion commencement date is Jan 1, 2025 or upon wall completion.
- Monthly base rent starts at $47,921.27 (1/1/2025–9/6/2025), escalating to $58,970.60 by Oct–Dec 2029.
- Security deposit increased by $33,026.77 to $77,358.77; Landlord provides a $19,200 tenant improvement allowance for Suite C.
- Facility (SP1) remains corporate HQ for pilot cell production, R&D, and quality control.

## SEC filing metadata
- accession: 0001104659-24-091609
- form_type: 8-K
- ticker: SLDP
- cik: 0001844862
- company_name: Solid Power, Inc.
- filed_at: 2024-08-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844862/000110465924091609/0001104659-24-091609-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844862/000110465924091609/tm2422162d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-091609
- JSON: https://secwatch.observer/filing/0001104659-24-091609.json
- Plain text: https://secwatch.observer/filing/0001104659-24-091609.txt

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