---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-25-014195"
form_type: "8-K"
ticker: "CIFR"
cik: "0001819989"
company_name: "Cipher Digital Inc."
filed_at: "2025-11-04T23:59:59+00:00"
generated_at: "2026-05-17T00:41:32.587069+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Cipher Mining subsidiary proposes $1.4B senior secured notes due 2030 for HPC data center

## Summary
- $1.4 billion aggregate principal amount of senior secured notes due 2030 in private offering.
- Net proceeds to finance construction of Barber Lake Facility, an HPC data center near Colorado City, Texas.
- Notes secured by substantially all assets of issuer and guarantor, equity interests, lockbox, and pledge of Google warrants.
- Cipher provides completion guarantee, funding issuer if proceeds insufficient for timely completion of Barber Lake Facility.
- Offering subject to market conditions; no assurance of completion or terms.

## SEC filing metadata
- accession: 0000950103-25-014195
- form_type: 8-K
- ticker: CIFR
- cik: 0001819989
- company_name: Cipher Digital Inc.
- filed_at: 2025-11-04T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819989/000095010325014195/0000950103-25-014195-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819989/000095010325014195/dp236869_8k-launch.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-25-014195
- JSON: https://secwatch.observer/filing/0000950103-25-014195.json
- Plain text: https://secwatch.observer/filing/0000950103-25-014195.txt

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