{"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","discovered_at":"2026-05-14T18:04:12.797135+00:00","generated_at":"2026-06-27T23:18:27.945379+00:00","sec_items":["1.01","5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Merrick Okamoto retiring as Executive Chairman; CEO Fred Thiel named Chairman effective Jan 1, 2022","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-21-032187","json":"https://secwatch.observer/filing/0001493152-21-032187.json","markdown":"https://secwatch.observer/filing/0001493152-21-032187.md","text":"https://secwatch.observer/filing/0001493152-21-032187.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T23:18:27.945379+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"1284d550a7","claim":"Fred Thiel was appointed as Chairman of the Board at MARA Holdings, Inc..","evidence_excerpt":"Item 5.02 Departure of Officer or Director; Appointment of Officer or Director","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1507605/000149315221032187/0001493152-21-032187-index.htm","confidence":0.6,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"c9210d9099","claim":"Merrick Okamoto retired as Executive Chairman at MARA Holdings, Inc..","evidence_excerpt":"Item 5.02 Departure of Officer or Director; Appointment of Officer or Director","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1507605/000149315221032187/0001493152-21-032187-index.htm","confidence":0.6,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Executive Chairman"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}