{"schema_version":"secwatch.filing_event.v1","accession":"0000950103-24-006879","form_type":"8-K","ticker":"ETCG","cik":"0001705181","company_name":"Grayscale Ethereum Classic Trust (ETC)","filed_at":"2024-05-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.672606+00:00","generated_at":"2026-06-01T12:55:50.179899+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Grayscale CEO Michael Sonnenshein steps down; Peter Mintzberg appointed effective Aug 15, 2024","bullets":["Michael Sonnenshein steps down immediately as CEO of Grayscale and principal executive officer of Grayscale Ethereum Classic Trust.","Peter Mintzberg appointed CEO and board member, effective August 15, 2024; joins from Goldman Sachs as Global Head of Strategy for Asset & Wealth Management.","Edward McGee, CFO, serves as interim principal executive officer until Mintzberg's start.","Sonnenshein led Grayscale's growth from $60M to ~$30B AUM and the uplisting of the first spot Bitcoin ETF."],"urls":{"canonical":"https://secwatch.observer/filing/0000950103-24-006879","json":"https://secwatch.observer/filing/0000950103-24-006879.json","markdown":"https://secwatch.observer/filing/0000950103-24-006879.md","text":"https://secwatch.observer/filing/0000950103-24-006879.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/dp211413_8k-etcg.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T12:55:50.179899+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":"64864c56d4","claim":"Michael Sonnenshein departed as Chief Executive Officer and principal executive officer at Grayscale Ethereum Classic Trust (ETC).","evidence_excerpt":"Michael Sonnenshein, the current Chief Executive Officer of Grayscale and the principal executive officer of the Company, who has decided to step down from his position, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Chief Executive Officer and principal executive officer"}],"fact_type":"executive_change"},{"claim_id":"8f931b5a5f","claim":"Peter Mintzberg was appointed as Chief Executive Officer at Grayscale Ethereum Classic Trust (ETC).","evidence_excerpt":"the appointment of Peter Mintzberg to serve as Grayscale’s new Chief Executive Officer and the principal executive officer of the Company, and a member of the Board of Directors of Grayscale, effective August 15, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"f0d588c6ce","claim":"Edward McGee was appointed as Interim principal executive officer at Grayscale Ethereum Classic Trust (ETC).","evidence_excerpt":"Mr. Edward McGee, the Chief Financial Officer of Grayscale and principal financial officer of the Company, will serve as principal executive officer on an interim basis until Mr. Mintzberg’s commencement date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1705181/000095010324006879/0000950103-24-006879-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed as interim"},{"label":"Role","value":"Interim principal executive officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}