{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-22-033853","form_type":"8-K","ticker":"MARA","cik":"0001507605","company_name":"MARA Holdings, Inc.","filed_at":"2022-11-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:50.915964+00:00","generated_at":"2026-06-21T12:42:03.536338+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Marathon Digital appoints John Lee as Chief Accounting Officer; Sim Salzman resigns","bullets":["John Lee appointed CAO effective Nov 21, 2022; CPA with 30+ years experience.","Sim Salzman resigned as CAO, will remain VP-Finance through April 1, 2023 for transition.","Lee's base salary $300k, signing bonus $35k, 120k RSUs with multi-year vesting.","Employment agreement has 3-year initial term with automatic renewal provisions.","Salzman to pursue other interests; severance terms still under review."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-22-033853","json":"https://secwatch.observer/filing/0001493152-22-033853.json","markdown":"https://secwatch.observer/filing/0001493152-22-033853.md","text":"https://secwatch.observer/filing/0001493152-22-033853.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1507605/000149315222033853/0001493152-22-033853-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1507605/000149315222033853/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T12:42:03.536338+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":"075de3a05e","claim":"John Lee was appointed as Chief Accounting Officer at MARA Holdings, Inc..","evidence_excerpt":"Effective November 21, 2022, John Lee was appointed Chief Accounting Officer of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1507605/000149315222033853/0001493152-22-033853-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"},{"claim_id":"7acee8fac3","claim":"Sim Salzman resigned as Chief Accounting Officer at MARA Holdings, Inc..","evidence_excerpt":"Also on November 21, 2022, Sim Salzman resigned as the Company’s Chief Accounting Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1507605/000149315222033853/0001493152-22-033853-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}