{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-035631","form_type":"8-K","ticker":"ETCG","cik":"0001705181","company_name":"Grayscale Ethereum Classic Trust (ETC)","filed_at":"2024-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.182075+00:00","generated_at":"2026-06-04T08:30:16.172188+00:00","sec_items":["1.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Grayscale Ethereum Classic Trust amends Business Day definition in trust agreement","bullets":["Amendment No. 4 changes Business Day from days banks closed to days national securities exchanges closed in New York.","Effective March 22, 2024; modifies the Second Amended and Restated Declaration of Trust.","The change is technical and does not affect trust operations or shareholder rights.","Exhibit 4.1 contains the full amendment text."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-035631","json":"https://secwatch.observer/filing/0000950170-24-035631.json","markdown":"https://secwatch.observer/filing/0000950170-24-035631.md","text":"https://secwatch.observer/filing/0000950170-24-035631.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1705181/000095017024035631/0000950170-24-035631-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1705181/000095017024035631/etcg-20240322.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T08:30:16.172188+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":"4a2c884bfb8d6b23c1b8676a65fae2d9f015ecc5","claim":"Grayscale Ethereum Classic Trust (ETC) amended Amendment No. 4 to Second Amended and Restated Declaration of Trust and Trust Agreement with Grayscale Investments, LLC and Delaware Trust Company (effective 2024-03-22).","evidence_excerpt":"On March 22, 2024, Grayscale Investments, LLC, the sponsor (the “Sponsor”) of Grayscale Ethereum Classic Trust (ETC) (the “Trust”) and the Delaware Trust Company, the trustee (the “Trustee”) of the Trust entered into Amendment No. 4 (the “Amendment No. 4”) to the Trust’s Second Amended and Restated Declaration of Trust and Trust Agreement (the “Trust Agreement”) in order to modify the definition of “Business Day”","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1705181/000095017024035631/0000950170-24-035631-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Counterparty","value":"Grayscale Investments, LLC and Delaware Trust Company"},{"label":"Effective","value":"2024-03-22"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}