{"filings":[{"id":123869,"accession_number":"0001193125-25-306835","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-12-03T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust discloses use of cashtags and third-party content on X","summary_kind":"llm","event_type":"other_material","confidence":"low","bullets":["Filing warns that cashtags on X link to third-party market data not authorized by Grayscale.","Grayscale states it does not control, endorse, or verify third-party content on X.","Investors are directed to SEC filings for authoritative information; no operational or financial changes reported.","Disclosure is procedural; no material impact on trust operations or holdings."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.02,"calibrated_materiality_score":0.02,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":123868,"accession_number":"0001193125-25-249973","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-10-24T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust sponsor undergoes internal reorganization; no impact on trust operations","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["On Oct 22, 2025, GSOIH transferred GSO membership units to Grayscale Investments, which became sole managing member of GSO and thus sponsor GSIS.","Newly elected Board of Grayscale Investments consists of Barry Silbert (Chair), Mark Shifke, Simon Koster, Peter Mintzberg, and Edward McGee.","Trust expects reorganization to have no material impact on its operations."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":123867,"accession_number":"0001193125-25-239046","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-10-14T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Grayscale Ethereum Classic Trust's sponsor board changes: Kummell out, Koster in","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Matthew Kummell stepped down as a Director of GSO Intermediate Holdings Corp., the top entity in sponsor's governance chain.","Simon Koster appointed as Director of GSOIH; he is CSO at Digital Currency Group, Inc. (DCG).","Koster also serves on boards of Foundry, Luno, Fortitude, and Yuma, all Grayscale affiliates.","Change effective October 13, 2025; no impact on trust operations or financials disclosed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":140537,"accession_number":"0001193125-25-215454","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-09-24T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust adds Crypto.com to index constituent trading platforms","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["CoinDesk Indices added Crypto.com to the Ether Classic Price Index effective Sept 21, 2025.","No trading platforms were removed during the scheduled quarterly review.","Current index constituents are Coinbase, Kraken, Bitfinex, and Crypto.com.","Crypto.com was added after meeting the Index Provider's minimum liquidity requirement."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":140536,"accession_number":"0000950170-25-101667","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-08-04T23:59:59+00:00","items":["5.02","9.01"],"status":"ready","headline":"Grayscale expands management team and Barry Silbert returns as Board Chairman","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Barry Silbert appointed Chairman of Grayscale Board, replacing Mark Shifke who remains Director.","Four new executives: Diana Zhang (COO), Ramona Boston (CMO), Andrea Williams (CCO), Maxwell Rosenthal (CHRO).","Board expansion with independent directors under consideration.","Grayscale manages over $35B in AUM across more than three dozen products.","Appointments aim to support Grayscale's next phase of growth in digital assets."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":158235,"accession_number":"0000950103-25-004584","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-04-09T23:59:59+00:00","items":["5.02","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust sponsor appoints Diana Zhang as COO, succeeding Hugh Ross","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Diana Zhang named COO of Grayscale Investments, effective May 6, 2025; reports to CEO Peter Mintzberg.","Zhang succeeds Hugh Ross, who steps down after four years as COO and will assist transition until May 31, 2025.","Zhang previously held executive roles at Bridgewater Associates (Deputy to co-CEO, COO Investment Research) and BlockTower Capital COO.","No financial terms disclosed; leadership change at sponsor of Grayscale Ethereum Classic Trust (ETCG)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":176610,"accession_number":"0000950170-25-001116","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2025-01-03T23:59:59+00:00","items":["1.01","8.01","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust sponsor reorganized; GSIS becomes sole sponsor after 120 days","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["GSI merged into GSO on Jan 1, 2025; GSO succeeded to all sponsor rights and obligations.","GSO assigned sponsor contracts to GSIS; GSIS admitted as additional sponsor.","GSO will withdraw after 120-day notice; GSIS to be sole remaining sponsor.","Trust expects no material impact on operations from the reorganization.","No changes to trust financials, shareholder rights, or custodian arrangements."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":209765,"accession_number":"0000950170-24-088560","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2024-07-31T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust index adds Bitfinex, removes Crypto.com effective July 28","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["CoinDesk Ether Classic Price Index (ECX) now includes Coinbase, Kraken, and Bitfinex.","Crypto.com removed from index for failing to meet minimum liquidity requirement.","Bitfinex added after meeting minimum liquidity criteria.","Index Provider may change trading venues at any time; quarterly reviews scheduled."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":227949,"accession_number":"0000950103-24-006879","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2024-05-20T23:59:59+00:00","items":["5.02","9.01"],"status":"ready","headline":"Grayscale CEO Michael Sonnenshein steps down; Peter Mintzberg appointed effective Aug 15, 2024","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Michael Sonnenshein steps down immediately as CEO of Grayscale and principal executive officer of Grayscale Ethereum Classic Trust.","Peter Mintzberg appointed CEO and board member, effective August 15, 2024; joins from Goldman Sachs as Global Head of Strategy for Asset & Wealth Management.","Edward McGee, CFO, serves as interim principal executive officer until Mintzberg's start.","Sonnenshein led Grayscale's growth from $60M to ~$30B AUM and the uplisting of the first spot Bitcoin ETF."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":246710,"accession_number":"0000950170-24-035631","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2024-03-25T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust amends Business Day definition in trust agreement","summary_kind":"llm","event_type":"other","confidence":"high","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."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":246709,"accession_number":"0000950170-24-027122","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2024-03-06T23:59:59+00:00","items":["4.01","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust dismisses Marcum, appoints KPMG as auditor","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Marcum LLP dismissed as auditor effective March 1, 2024; completed 2023 audit.","KPMG LLP appointed as independent registered public accounting firm for FY 2024.","No disagreements with Marcum on accounting principles or audit scope for 2022-2023.","Marcum's reports included an emphasis-of-matter paragraph on digital asset investments."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":264146,"accession_number":"0000950170-23-072824","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2023-12-26T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust sponsor board changes: Silbert, Murphy resign; Shifke Chairman","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Barry E. Silbert and Mark Murphy resign from Sponsor board effective Jan. 1, 2024.","Mark Shifke appointed Chairman, Matthew Kummell and Edward McGee join board effective same date.","New board comprises Shifke, Kummell, Michael Sonnenshein, and McGee.","Shifke also serves as CFO of Digital Currency Group; McGee is CFO of the Sponsor."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"market_cap_usd":90820000.0,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}