{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-108392","form_type":"8-K","ticker":"ETHE","cik":"0001725210","company_name":"Grayscale Ethereum Staking ETF","filed_at":"2026-03-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.009856+00:00","generated_at":"2026-05-15T11:51:03.746053+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Grayscale Ethereum Staking ETF to adopt CoinDesk Ether Benchmark Rate for NAV effective April 1, 2026","bullets":["Effective April 1, 2026, NAV will use CoinDesk Ether Benchmark Rate instead of CoinDesk Ether Price Index (ETX).","New index is volume-weighted from 11 platforms including Binance, Kraken, Gemini; updates every 5 seconds over 24 hours.","Index includes real-time outlier detection: trades deviating >5% from latest index are excluded until majority platforms align.","If primary index is unavailable, fallback is Coin Metrics Real-Time Rate, then principal market price, then Sponsor's estimate."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-108392","json":"https://secwatch.observer/filing/0001193125-26-108392.json","markdown":"https://secwatch.observer/filing/0001193125-26-108392.md","text":"https://secwatch.observer/filing/0001193125-26-108392.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1725210/000119312526108392/0001193125-26-108392-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1725210/000119312526108392/ethe-20260316.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T11:51:03.746053+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"}