{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-25-000909","form_type":"8-K","ticker":"RIOT","cik":"0001167419","company_name":"Riot Platforms, Inc.","filed_at":"2025-02-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.071412+00:00","generated_at":"2026-05-26T22:05:24.591970+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Riot adds three directors with AI/HPC, data center expertise; hires Evercore for Corsicana evaluation","bullets":["Appointed Jaime Leverton (ex-Hut 8 CEO), Doug Mouton (Meta/Microsoft data center lead), and Michael Turner (ex-Oxford Properties president) to Board.","Board expanded to six members; Hannah Cho and Hubert Marleau retired effective immediately.","Engaged Evercore as financial advisor and Northland Capital to support evaluation of remaining Corsicana power capacity for AI/HPC use.","Received increased inbound interest from multiple potential AI/HPC partners since launching formal evaluation.","New directors bring directly applicable experience in converting Bitcoin mining assets for AI/HPC, data center ops, and real estate value maximization."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-25-000909","json":"https://secwatch.observer/filing/0001558370-25-000909.json","markdown":"https://secwatch.observer/filing/0001558370-25-000909.md","text":"https://secwatch.observer/filing/0001558370-25-000909.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1167419/000155837025000909/0001558370-25-000909-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1167419/000155837025000909/riot-20250212x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T22:05:24.591970+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":"158e240461","claim":"Hannah Cho retired as Director at Riot Platforms, Inc..","evidence_excerpt":"Hannah Cho and Hubert Marleau each announced that they will retire from their positions as members of the Board and from all committees, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1167419/000155837025000909/0001558370-25-000909-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Director"}]},{"claim_id":"6bb030ef35","claim":"Hubert Marleau retired as Director at Riot Platforms, Inc..","evidence_excerpt":"Hannah Cho and Hubert Marleau each announced that they will retire from their positions as members of the Board and from all committees, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1167419/000155837025000909/0001558370-25-000909-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Director"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}