{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-24-013308","form_type":"8-K","ticker":"MARA","cik":"0001507605","company_name":"MARA Holdings, Inc.","filed_at":"2024-04-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.735175+00:00","generated_at":"2026-06-04T01:47:27.004153+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Marathon Digital appoints Vicki Mealer-Burke to Board of Directors","bullets":["Appointed Vicki Mealer-Burke as Class III director effective April 1, 2024; board now has 8 directors (7 independent).","She will serve on Compensation Committee and Nominating & Corporate Governance Committee.","Previously served on Marathon's advisory board since September 2022; brings 26 years of executive experience from Qualcomm.","No material relationships or arrangements reported; standard director compensation applies."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-24-013308","json":"https://secwatch.observer/filing/0001493152-24-013308.json","markdown":"https://secwatch.observer/filing/0001493152-24-013308.md","text":"https://secwatch.observer/filing/0001493152-24-013308.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1507605/000149315224013308/0001493152-24-013308-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1507605/000149315224013308/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T01:47:27.004153+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":"2f37754fab","claim":"Vicki Mealer-Burke was appointed as Director at MARA Holdings, Inc..","evidence_excerpt":"On April 1, 2024, the Board of Directors (the “Board”) of Marathon Digital Holdings, Inc. (the “Company”), acting pursuant to the authority granted under the Company’s amended and restated bylaws, appointed Vicki Mealer-Burke to serve as a Class III director.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1507605/000149315224013308/0001493152-24-013308-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}