{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-065895","form_type":"8-K","ticker":"ETHE","cik":"0001725210","company_name":"Grayscale Ethereum Staking ETF","filed_at":"2024-05-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.755943+00:00","generated_at":"2026-06-01T07:43:00.764161+00:00","sec_items":["1.01","1.02","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Grayscale Ethereum Trust signs new Coinbase custody deal ahead of NYSE Arca ETF uplisting","bullets":["New custodian agreement with Coinbase Custody and Coinbase Prime Broker; becomes effective on uplisting to NYSE Arca.","Co-transfer agency agreement with Continental Stock Transfer & Trust for book-entry shares; effective on uplisting.","Previous custodian agreement with Coinbase Custody (June 2022) will terminate on the uplisting date.","Custodian liability capped at $100M per cold storage address; private keys held offline in geographically distributed vaults."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-065895","json":"https://secwatch.observer/filing/0000950170-24-065895.json","markdown":"https://secwatch.observer/filing/0000950170-24-065895.md","text":"https://secwatch.observer/filing/0000950170-24-065895.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1725210/000095017024065895/0000950170-24-065895-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1725210/000095017024065895/ethe-20240522.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T07:43:00.764161+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"}