{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-022623","form_type":"8-K","ticker":"GSOL","cik":"0001896677","company_name":"Grayscale Solana Staking ETF","filed_at":"2026-01-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.706259+00:00","generated_at":"2026-05-16T08:04:15.343862+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"CoinDesk Indices changes constituent trading platforms for Grayscale Solana Staking ETF index","bullets":["Added Binance (SOL-USDC), Gate (SOL-USDC), and HashKey (SOL-USD) effective Jan 20, 2026.","Removed Bitfinex (SOL-USD) for failing inclusion criteria in scheduled monthly review.","Index now has 8 SOL-USD platforms (Bitstamp, Bullish, Crypto.com, Gemini, HashKey, Kraken, LMAX Digital, OKX).","Index has 7 SOL-USDC platforms (Binance, Bitstamp, Bullish, Bybit, Gate, Kraken, OKX).","Index Provider may change trading venues at any time; further monthly reviews possible."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-022623","json":"https://secwatch.observer/filing/0001193125-26-022623.json","markdown":"https://secwatch.observer/filing/0001193125-26-022623.md","text":"https://secwatch.observer/filing/0001193125-26-022623.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1896677/000119312526022623/0001193125-26-022623-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1896677/000119312526022623/sol-20260120.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T08:04:15.343862+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"}