{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-029647","form_type":"8-K","ticker":"ETCG","cik":"0001705181","company_name":"Grayscale Ethereum Classic Trust (ETC)","filed_at":"2023-06-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.129091+00:00","generated_at":"2026-06-13T18:11:07.442136+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Grayscale Ethereum Classic Trust replaces Binance.US with Crypto.com in index price calculation","bullets":["Effective June 17, 2023, Binance.US removed from CoinDesk Ether Classic Price Index due to suspending USD deposits/withdrawals.","Crypto.com added as constituent exchange; Index now uses Coinbase, Kraken, and Crypto.com.","Index Provider may change trading venues or calculation method at any time; quarterly reviews scheduled.","Change could affect the Trust's net asset value per share derived from the Index Price."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-029647","json":"https://secwatch.observer/filing/0000950170-23-029647.json","markdown":"https://secwatch.observer/filing/0000950170-23-029647.md","text":"https://secwatch.observer/filing/0000950170-23-029647.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1705181/000095017023029647/0000950170-23-029647-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1705181/000095017023029647/etcg-20230617.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T18:11:07.442136+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"}