{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-029640","form_type":"8-K","ticker":"ZCSH","cik":"0001720265","company_name":"Grayscale Zcash Trust (ZEC)","filed_at":"2023-06-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.214298+00:00","generated_at":"2026-06-13T18:11:36.122249+00:00","sec_items":["1.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"medium","headline":"Grayscale Zcash Trust extends index license agreement with CoinDesk Indices to Feb 2025","bullets":["Index License Agreement extended from Feb 29, 2024 to Feb 28, 2025.","Amendment updates operational milestones and renames index provider from TradeBlock to CDI.","Specific financial terms (fees, discounts) redacted as confidential and not material."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-029640","json":"https://secwatch.observer/filing/0000950170-23-029640.json","markdown":"https://secwatch.observer/filing/0000950170-23-029640.md","text":"https://secwatch.observer/filing/0000950170-23-029640.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1720265/000095017023029640/0000950170-23-029640-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1720265/000095017023029640/zcsh-20230620.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T18:11:36.122249+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":[{"claim_id":"e1c088dc5b07f4bd76251198d7e74e0c45e29a89","claim":"Grayscale Zcash Trust (ZEC) amended Index License Agreement with CoinDesk Indices, Inc. valued at extend the term from February 29, 2024, to February 28, 2025 (effective 2023-06-20).","evidence_excerpt":"On June 20, 2023, Grayscale Investments, LLC, the sponsor (the “Sponsor”) of Grayscale Zcash Trust (ZEC) (the “Trust”), and CoinDesk Indices, Inc. (the “Index Provider”), entered into an Amendment (the “Amendment”) to the Index License Agreement dated January 31, 2022, between the Sponsor and the Index Provider (the “Index License Agreement”) governing the Sponsor’s use of the CoinDesk Zcash Price Index (ZCX) (the “Index”) to calculate the Index Price, among other things.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1720265/000095017023029640/0000950170-23-029640-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"license"},{"label":"Counterparty","value":"CoinDesk Indices, Inc."},{"label":"Value","value":"extend the term from February 29, 2024, to February 28, 2025"},{"label":"Effective","value":"2023-06-20"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}