{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-072824","form_type":"8-K","ticker":"ETCG","cik":"0001705181","company_name":"Grayscale Ethereum Classic Trust (ETC)","filed_at":"2023-12-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.114781+00:00","generated_at":"2026-06-07T07:23:42.285846+00:00","sec_items":["8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Grayscale Ethereum Classic Trust sponsor board changes: Silbert, Murphy resign; Shifke Chairman","bullets":["Barry E. Silbert and Mark Murphy resign from Sponsor board effective Jan. 1, 2024.","Mark Shifke appointed Chairman, Matthew Kummell and Edward McGee join board effective same date.","New board comprises Shifke, Kummell, Michael Sonnenshein, and McGee.","Shifke also serves as CFO of Digital Currency Group; McGee is CFO of the Sponsor."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-072824","json":"https://secwatch.observer/filing/0000950170-23-072824.json","markdown":"https://secwatch.observer/filing/0000950170-23-072824.md","text":"https://secwatch.observer/filing/0000950170-23-072824.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1705181/000095017023072824/0000950170-23-072824-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1705181/000095017023072824/etcg-20231226.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T07:23:42.285846+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}