---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-054304"
form_type: "8-K"
ticker: "GREE"
cik: "0001844971"
company_name: "Greenidge Generation Holdings Inc."
filed_at: "2025-12-01T23:59:59+00:00"
generated_at: "2026-05-16T15:55:01.658412+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Greenidge sells 152-acre SC site and 60 MW power rights for up to $36M

## Summary
- Cash consideration of $18.0M at closing, plus up to $18.0M in success payments tied to additional energization before Dec 31, 2030.
- Non-refundable deposit of $1.5M placed in escrow; closing expected Dec 11, 2025 or shortly after utility documentation delivery.
- Purchaser is affiliate of Lightstone Parent LLC; assignment of 60 MW electrical service expected available Sept 2026.
- Purchase price may increase up to $1.5M for pre-closing substation work approved by Purchaser.
- Lightstone Parent LLC provided irrevocable guarantee for success payments; transaction is subject to customary closing conditions.

## SEC filing metadata
- accession: 0001628280-25-054304
- form_type: 8-K
- ticker: GREE
- cik: 0001844971
- company_name: Greenidge Generation Holdings Inc.
- filed_at: 2025-12-01T23:59:59+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/1844971/000162828025054304/0001628280-25-054304-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844971/000162828025054304/gree-20251126.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-054304
- JSON: https://secwatch.observer/filing/0001628280-25-054304.json
- Plain text: https://secwatch.observer/filing/0001628280-25-054304.txt

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