{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-220460","form_type":"8-K","ticker":"LTCN","cik":"0001732406","company_name":"Grayscale Litecoin Trust (LTC)","filed_at":"2025-09-26T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.831457+00:00","generated_at":"2026-05-17T05:34:34.848989+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Grayscale Litecoin Trust (LTC) switches NAV index to CCIXber Reference Rate effective Oct 1, 2025","bullets":["Replaces CoinDesk Litecoin Index (LTX) with CoinDesk LTC CCIXber Reference Rate for all NAV calculations.","New index uses volume-weighted, real-time price from multiple trading platforms (e.g., Crypto.com, Kraken, LMAX Digital, Bitstamp).","Index methodology includes outlier detection, inactivity de-weighting, and IOSCO-guided constituent selection.","If primary index unavailable, Sponsor applies cascading fallback: Secondary Index (Coin Metrics), then Tertiary Pricing Option, then good-faith estimate.","Change affects determination of NAV per share for LTCN starting October 1, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-220460","json":"https://secwatch.observer/filing/0001193125-25-220460.json","markdown":"https://secwatch.observer/filing/0001193125-25-220460.md","text":"https://secwatch.observer/filing/0001193125-25-220460.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1732406/000119312525220460/0001193125-25-220460-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1732406/000119312525220460/ltcn-20250926.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:34:34.848989+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"}