---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-056519"
form_type: "8-K"
ticker: "GREE"
cik: "0001844971"
company_name: "Greenidge Generation Holdings Inc."
filed_at: "2025-12-11T23:59:59+00:00"
generated_at: "2026-05-16T13:32:30.455278+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Greenidge closes sale of SC property for $18M cash plus up to $18M earnout

## Summary
- Closed sale of 152-acre Spartanburg, SC property to Lightstone Group affiliate for $18M cash (subject to adjustment) and up to $18M earnout based on additional power capacity.
- Net proceeds from sale ~$17.9M; total cash raised from non-core asset divestitures in past year ~$22.1M.
- Pro forma Net Debt improved to ~$12.4M from $52.9M at start of 2025, with cash and BTC ~$9.8M as of Nov 30, 2025.
- CEO indicates potential to exchange remaining $37.8M of 2026 notes for higher-yielding 2030 notes in tax-free recapitalization.
- Mississippi expansion site: 40 MW expected available by March 2027.

## SEC filing metadata
- accession: 0001628280-25-056519
- form_type: 8-K
- ticker: GREE
- cik: 0001844971
- company_name: Greenidge Generation Holdings Inc.
- filed_at: 2025-12-11T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844971/000162828025056519/0001628280-25-056519-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844971/000162828025056519/gree-20251211.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-056519
- JSON: https://secwatch.observer/filing/0001628280-25-056519.json
- Plain text: https://secwatch.observer/filing/0001628280-25-056519.txt

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