{"schema_version":"secwatch.filing_event.v1","accession":"0000950142-25-001988","form_type":"8-K","ticker":"MARA","cik":"0001507605","company_name":"MARA Holdings, Inc.","filed_at":"2025-07-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.166826+00:00","generated_at":"2026-05-18T03:21:51.941097+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"MARA announces $850M zero-coupon convertible note offering and Q2 operational update","bullets":["Offering $850M 0.00% convertible notes due 2032; initial purchasers option for additional $150M.","Proceeds: up to $50M to repurchase 1% 2026 notes, buy more bitcoin, pay capped calls, general corporate.","June 30 operational snapshot: 49,951 BTC, 57.4 EH/s compute, 310,000 energized miners.","Q2 2025: mined 2,358 BTC (25.9/day), won 694 blocks, 5.7% of network rewards.","Capped call transactions to offset dilution; hedged holder stock purchases could affect price."],"urls":{"canonical":"https://secwatch.observer/filing/0000950142-25-001988","json":"https://secwatch.observer/filing/0000950142-25-001988.json","markdown":"https://secwatch.observer/filing/0000950142-25-001988.md","text":"https://secwatch.observer/filing/0000950142-25-001988.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1507605/000095014225001988/0000950142-25-001988-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1507605/000095014225001988/eh250657076_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T03:21:51.941097+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}