{"schema_version":"secwatch.filing_event.v1","accession":"0000950103-25-004584","form_type":"8-K","ticker":"ETCG","cik":"0001705181","company_name":"Grayscale Ethereum Classic Trust (ETC)","filed_at":"2025-04-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.406421+00:00","generated_at":"2026-05-23T18:25:11.005740+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":"Grayscale Ethereum Classic Trust sponsor appoints Diana Zhang as COO, succeeding Hugh Ross","bullets":["Diana Zhang named COO of Grayscale Investments, effective May 6, 2025; reports to CEO Peter Mintzberg.","Zhang succeeds Hugh Ross, who steps down after four years as COO and will assist transition until May 31, 2025.","Zhang previously held executive roles at Bridgewater Associates (Deputy to co-CEO, COO Investment Research) and BlockTower Capital COO.","No financial terms disclosed; leadership change at sponsor of Grayscale Ethereum Classic Trust (ETCG)."],"urls":{"canonical":"https://secwatch.observer/filing/0000950103-25-004584","json":"https://secwatch.observer/filing/0000950103-25-004584.json","markdown":"https://secwatch.observer/filing/0000950103-25-004584.md","text":"https://secwatch.observer/filing/0000950103-25-004584.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1705181/000095010325004584/0000950103-25-004584-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1705181/000095010325004584/dp227431_8k-etcg.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T18:25:11.005740+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":"02c87dd1cd","claim":"Hugh Ross departed as Chief Operating Officer at Grayscale Ethereum Classic Trust (ETC).","evidence_excerpt":"Ms. Zhang will succeed Hugh Ross, the current Chief Operating Officer of Grayscale Operating, LLC, 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/1705181/000095010325004584/0000950103-25-004584-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"},{"claim_id":"3dc8073f9b","claim":"Diana Zhang was appointed as Chief Operating Officer at Grayscale Ethereum Classic Trust (ETC).","evidence_excerpt":"announced that GSO Intermediate Holdings Corporation, the sole managing member of Grayscale Operating, LLC, the sole member of Grayscale Investments Sponsors, LLC, has approved 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/1705181/000095010325004584/0000950103-25-004584-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}