---
schema_version: "secwatch.filing_event.v1"
accession: "0001819989-26-000002"
form_type: "8-K"
ticker: "CIFR"
cik: "0001819989"
company_name: "Cipher Digital Inc."
filed_at: "2026-02-11T23:59:59+00:00"
generated_at: "2026-05-16T03:21:37.332005+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Cipher Mining appoints Thomas Duda to Board of Directors

## Summary
- Thomas Duda elected to Board effective Feb 11, 2026; size increased from 7 to 8.
- Duda brings >20 years real estate experience; currently VP Real Estate at Henry Crown and Company.
- He will serve on Compensation and Nominating/Corporate Governance Committees.
- Appointment supports Cipher's pivot to data center development and operations.
- No family relationships or material interests with any director/officer.

## SEC filing metadata
- accession: 0001819989-26-000002
- form_type: 8-K
- ticker: CIFR
- cik: 0001819989
- company_name: Cipher Digital Inc.
- filed_at: 2026-02-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819989/000181998926000002/0001819989-26-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819989/000181998926000002/cifr-20260211.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819989-26-000002
- JSON: https://secwatch.observer/filing/0001819989-26-000002.json
- Plain text: https://secwatch.observer/filing/0001819989-26-000002.txt

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