{"schema_version":"secwatch.filing_event.v1","accession":"0001083301-25-000044","form_type":"8-K","ticker":"WULF","cik":"0001083301","company_name":"TERAWULF INC.","filed_at":"2025-05-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.451902+00:00","generated_at":"2026-05-20T03:59:45.000761+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"TeraWulf appoints William Tanimoto as Chief Accounting Officer effective June 20, 2025","bullets":["Kenneth Deane resigned as Chief Accounting Officer on May 23, 2025, effective June 20, 2025, to pursue new professional opportunities.","William Tanimoto, age 34, was appointed CAO effective June 20, 2025; previously served as Director of Financial Reporting since August 2023.","Tanimoto has over 14 years of public company audit experience, including 11 years at Deloitte LLP, most recently as Audit Senior Manager.","Tanimoto will report to CEO Paul Prager and CFO Patrick Fleury; no family relationships or material interests in transactions."],"urls":{"canonical":"https://secwatch.observer/filing/0001083301-25-000044","json":"https://secwatch.observer/filing/0001083301-25-000044.json","markdown":"https://secwatch.observer/filing/0001083301-25-000044.md","text":"https://secwatch.observer/filing/0001083301-25-000044.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1083301/000108330125000044/0001083301-25-000044-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1083301/000108330125000044/wulf-20250523.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T03:59:45.000761+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":"492895fe61","claim":"Kenneth Deane resigned as Chief Accounting Officer at TERAWULF INC..","evidence_excerpt":"On May 23, 2025, Kenneth Deane, the Company’s Chief Accounting Officer, resigned from his role effective June 20, 2025 to focus on new professional opportunities.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1083301/000108330125000044/0001083301-25-000044-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"},{"claim_id":"6c0ea72f65","claim":"William Tanimoto was appointed as Chief Accounting Officer at TERAWULF INC..","evidence_excerpt":"On May 29, 2025, the Board of Directors of TeraWulf Inc. (“TeraWulf” or the “Company”) appointed William Tanimoto as Chief Accounting Officer of the Company, effective June 20, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1083301/000108330125000044/0001083301-25-000044-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}