{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-035328","form_type":"8-K","ticker":"TUSK","cik":"0001679268","company_name":"MAMMOTH ENERGY SERVICES, INC.","filed_at":"2026-05-15T12:29:32+00:00","discovered_at":"2026-05-15T12:35:00.324605+00:00","generated_at":"2026-05-15T12:36:35.039488+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Mammoth Energy Services replaces auditor Deloitte with Carr, Riggs & Ingram","bullets":["Dismissed Deloitte & Touche as independent auditor effective May 13, 2026.","No disagreements or reportable events occurred during the past fiscal year or subsequent interim period.","Engaged Carr, Riggs & Ingram as new auditor for fiscal year ending December 31, 2026.","Deloitte's audit reports for FY2025 did not contain adverse opinion or qualification."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-035328","json":"https://secwatch.observer/filing/0001628280-26-035328.json","markdown":"https://secwatch.observer/filing/0001628280-26-035328.md","text":"https://secwatch.observer/filing/0001628280-26-035328.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/0001628280-26-035328-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/tusk-20260513.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T12:36:35.039488+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":"b2b1ccb5fce3f4393bbaffbeb21f96e3b00e4a14","claim":"MAMMOTH ENERGY SERVICES, INC. engaged Carr, Riggs & Ingram, L.L.C. as its auditor.","evidence_excerpt":"Also on May 13, 2026, the Audit Committee approved the engagement of Carr, Riggs & Ingram, L.L.C. (“CRI”) as its new independent registered public accounting firm.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/0001628280-26-035328-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Carr, Riggs & Ingram, L.L.C."}],"fact_type":"auditor_change"},{"claim_id":"d055965e25b2ce83e46a7d71f680d9ca3d83e87d","claim":"MAMMOTH ENERGY SERVICES, INC. dismissed Deloitte & Touche LLP as its auditor.","evidence_excerpt":"On May 13, 2026, the Audit Committee of the Board of Directors (the “Audit Committee”) of Mammoth Energy Services, Inc. (the “Company”) approved the dismissal of Deloitte & Touche LLP (“Deloitte”) as the Company’s independent registered public accounting firm.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026035328/0001628280-26-035328-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Deloitte & Touche LLP"},{"label":"Successor","value":"Carr, Riggs & Ingram, L.L.C."}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}