---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-035933"
form_type: "8-K"
ticker: "MARA"
cik: "0001507605"
company_name: "MARA Holdings, Inc."
filed_at: "2026-08-04T12:05:19+00:00"
generated_at: "2026-08-04T12:10:25.477729+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# MARA appoints Craig Hart and Nancy Novak as independent directors; two directors resign

## Summary
- Barbara Humpton and Georges Antoun resigned from board effective July 31, 2026, for personal reasons.
- Craig Hart (Avenue Capital Group) and Nancy Novak (former Compass Datacenters) appointed effective August 1, 2026.
- Hart will serve on Risk and Audit Committee; Novak as Class I director, Hart as Class II director.
- Board now has seven directors, six independent.
- Hart brings energy/power expertise; Novak brings hyperscale data center development expertise.

## SEC filing metadata
- accession: 0001493152-26-035933
- form_type: 8-K
- ticker: MARA
- cik: 0001507605
- company_name: MARA Holdings, Inc.
- filed_at: 2026-08-04T12:05:19+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1507605/000149315226035933/0001493152-26-035933-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1507605/000149315226035933/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-035933
- JSON: https://secwatch.observer/filing/0001493152-26-035933.json
- Plain text: https://secwatch.observer/filing/0001493152-26-035933.txt

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