{"schema_version":"secwatch.filing_event.v1","accession":"0001679268-21-000063","form_type":"8-K","ticker":"TUSK","cik":"0001679268","company_name":"MAMMOTH ENERGY SERVICES, INC.","filed_at":"2021-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:04:13.612967+00:00","generated_at":"2026-06-28T14:13:48.875879+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Mammoth Energy Services derivative lawsuit settled for $1.5M from D&O insurers","bullets":["Preliminary approval granted on Oct 28, 2021; final hearing set for Jan 7, 2022.","Insurers to pay $1.5M to Mammoth for general corporate purposes; governance reforms to be adopted.","Separate $0.5M for plaintiffs' attorneys' fees, subject to court approval.","Derivative action alleged breaches of fiduciary duty related to Puerto Rico PREPA contracts.","Defendants deny all allegations; settlement avoids further litigation costs and risks."],"urls":{"canonical":"https://secwatch.observer/filing/0001679268-21-000063","json":"https://secwatch.observer/filing/0001679268-21-000063.json","markdown":"https://secwatch.observer/filing/0001679268-21-000063.md","text":"https://secwatch.observer/filing/0001679268-21-000063.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1679268/000167926821000063/0001679268-21-000063-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1679268/000167926821000063/tusk-20211028.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T14:13:48.875879+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"}