{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-24-008967","form_type":"8-K","ticker":"RIOT","cik":"0001167419","company_name":"Riot Platforms, Inc.","filed_at":"2024-06-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:17.510838+00:00","generated_at":"2026-06-01T05:48:40.585396+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Riot Platforms appoints Stephen Howell as COO, effective June 1, 2024","bullets":["Stephen Howell, formerly CEO of subsidiary ESS Metron, appointed COO effective June 1, 2024.","Annual base salary of $400,000; target cash incentive of 100% of base salary under AIP.","Eligible for discretionary equity grants; previously awarded up to 373,927 shares under 2023 LTIP Award.","2023 LTIP Award includes 24,643 service-based restricted shares and up to 349,284 performance-based shares tied to TSR."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-24-008967","json":"https://secwatch.observer/filing/0001558370-24-008967.json","markdown":"https://secwatch.observer/filing/0001558370-24-008967.md","text":"https://secwatch.observer/filing/0001558370-24-008967.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1167419/000155837024008967/0001558370-24-008967-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1167419/000155837024008967/riot-20240601x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T05:48:40.585396+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":"99d6c598b1","claim":"Stephen Howell was appointed as Chief Operating Officer at Riot Platforms, Inc..","evidence_excerpt":"Effective as of June 1, 2024, Riot Platforms, Inc. (“Riot” or the “Company”) appointed Mr. Stephen Howell, 48, to Chief Operating Officer (“COO”) of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1167419/000155837024008967/0001558370-24-008967-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}