---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-21-032187"
form_type: "8-K"
ticker: "MARA"
cik: "0001507605"
company_name: "MARA Holdings, Inc."
filed_at: "2021-12-21T23:59:59+00:00"
generated_at: "2026-06-27T23:18:27.945379+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Merrick Okamoto retiring as Executive Chairman; CEO Fred Thiel named Chairman effective Jan 1, 2022

## Summary
- Okamoto retires Dec 31, 2021 under Severance Agreement; receives 83,333 RSUs vesting immediately.
- Also receives accrued wages (~$31k) and 2021 bonus (~$371k) plus medical reimbursement through Dec 31, 2022.
- CEO Fred Thiel appointed Chairman of Board effective Jan 1, 2022; will hold both roles with no extra compensation.
- Company evaluating candidates to fill board vacancy created by Okamoto's departure.
- Okamoto joined in 2017; helped restructure Marathon from near insolvency to ~$4B market cap bitcoin miner.

## SEC filing metadata
- accession: 0001493152-21-032187
- form_type: 8-K
- ticker: MARA
- cik: 0001507605
- company_name: MARA Holdings, Inc.
- filed_at: 2021-12-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1507605/000149315221032187/0001493152-21-032187-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1507605/000149315221032187/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-21-032187
- JSON: https://secwatch.observer/filing/0001493152-21-032187.json
- Plain text: https://secwatch.observer/filing/0001493152-21-032187.txt

## Key facts
- Executive change
  Fred Thiel was appointed as Chairman of the Board at MARA Holdings, Inc..
  - Action: appointed
  - Role: Chairman of the Board
  source text: Item 5.02 Departure of Officer or Director; Appointment of Officer or Director
  evidence_url: https://www.sec.gov/Archives/edgar/data/1507605/000149315221032187/0001493152-21-032187-index.htm
- Executive change
  Merrick Okamoto retired as Executive Chairman at MARA Holdings, Inc..
  - Action: retired
  - Role: Executive Chairman
  source text: Item 5.02 Departure of Officer or Director; Appointment of Officer or Director
  evidence_url: https://www.sec.gov/Archives/edgar/data/1507605/000149315221032187/0001493152-21-032187-index.htm

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