{"schema_version":"secwatch.filing_event.v1","accession":"0000950103-25-004585","form_type":"8-K","ticker":"ETH","cik":"0002020455","company_name":"Grayscale Ethereum Staking Mini ETF","filed_at":"2025-04-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.692925+00:00","generated_at":"2026-05-23T18:37:32.592187+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Grayscale Ethereum Mini Trust ETF sponsor appoints Diana Zhang as new COO","bullets":["Diana Zhang appointed COO of Grayscale Operating, LLC, effective May 6, 2025.","Zhang held executive roles at Bridgewater Associates and BlockTower Capital; 18+ years experience.","Outgoing COO Hugh Ross steps down after four years; will assist transition until May 31, 2025.","Zhang will report to CEO Peter Mintzberg and lead operations for the world's largest crypto asset manager."],"urls":{"canonical":"https://secwatch.observer/filing/0000950103-25-004585","json":"https://secwatch.observer/filing/0000950103-25-004585.json","markdown":"https://secwatch.observer/filing/0000950103-25-004585.md","text":"https://secwatch.observer/filing/0000950103-25-004585.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2020455/000095010325004585/0000950103-25-004585-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2020455/000095010325004585/dp227432_8k-eth.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T18:37:32.592187+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":"532aaf05b1","claim":"Diana Zhang was appointed as Chief Operating Officer at Grayscale Ethereum Staking Mini ETF.","evidence_excerpt":"the appointment of Diana Zhang to serve as the new Chief Operating Officer of Grayscale Operating, LLC, effective May 6, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2020455/000095010325004585/0000950103-25-004585-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"654cfd6922","claim":"Hugh Ross departed as Chief Operating Officer at Grayscale Ethereum Staking Mini ETF.","evidence_excerpt":"who has decided to step down from his position and is expected to remain with Grayscale to assist with the transition of his responsibilities until his departure on or prior to May 31, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2020455/000095010325004585/0000950103-25-004585-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}