---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-079463"
form_type: "8-K"
ticker: "WULF"
cik: "0001083301"
company_name: "TERAWULF INC."
filed_at: "2025-08-18T23:59:59+00:00"
generated_at: "2026-05-17T11:46:41.579457+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# TeraWulf signs 160 MW CB-5 lease with Fluidstack; Google backstop rises to $3.2B

## Summary
- CB-5 adds 160 MW critical IT load; total Fluidstack contracted capacity at Lake Mariner reaches ~360 MW.
- Lease contributes $6.7B contracted revenue; potential $16B with extensions.
- Google provides $1.4B incremental backstop (total $3.2B) and receives warrants for 32.5M shares (14% pro forma stake).
- Construction expected to complete by year-end 2026; lease term 10 years.
- TeraWulf and Fluidstack discussing additional capacity expansions.

## SEC filing metadata
- accession: 0001104659-25-079463
- form_type: 8-K
- ticker: WULF
- cik: 0001083301
- company_name: TERAWULF INC.
- filed_at: 2025-08-18T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1083301/000110465925079463/0001104659-25-079463-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1083301/000110465925079463/tm2523651d3_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-079463
- JSON: https://secwatch.observer/filing/0001104659-25-079463.json
- Plain text: https://secwatch.observer/filing/0001104659-25-079463.txt

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