{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-054037","form_type":"8-K","ticker":"GBTC","cik":"0001588489","company_name":"Grayscale Bitcoin Trust ETF","filed_at":"2023-10-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.659566+00:00","generated_at":"2026-06-09T20:47:39.168235+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Grayscale Bitcoin Trust files S-3 to register shares for NYSE Arca listing","bullets":["Grayscale Investments filed Form S-3 with SEC to register GBTC shares under Securities Act.","GBTC intends to list on NYSE Arca under symbol GBTC pending 19b-4 approval and S-3 effectiveness.","Shares will be issued on an ongoing basis; offering only by prospectus when available.","Registration statement not yet effective; shares cannot be sold until declared effective."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-054037","json":"https://secwatch.observer/filing/0000950170-23-054037.json","markdown":"https://secwatch.observer/filing/0000950170-23-054037.md","text":"https://secwatch.observer/filing/0000950170-23-054037.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1588489/000095017023054037/0000950170-23-054037-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1588489/000095017023054037/gbtc-20231019.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T20:47:39.168235+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"}