{"filings":[{"id":2520442,"accession_number":"0001193125-26-371263","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2026-08-27T20:06:02+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust to adopt new CoinDesk benchmark index for NAV from Sept 1, 2026","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Effective Sept 1, 2026, NAV uses CoinDesk Ethereum Classic Benchmark Extended Rate, replacing Price Index.","New index methodology includes volume weighting, outlier detection, inactivity adjustments, and manipulation resistance.","Index provider can adjust methodology without consent; sponsor may use cascading fallback indices if unavailable.","Change affects only NAV calculation; underlying ETC holdings and operational structure remain unchanged."],"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":1416076,"accession_number":"0001705181-26-000003","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2026-07-02T20:34:35+00:00","items":["5.02"],"status":"ready","headline":"Grayscale Ethereum Classic Trust sponsor CFO McGee steps down; Masci, Plourde named interim co-CFOs","summary_kind":"llm","event_type":"leadership","confidence":"high","bullets":["Edward McGee resigns as CFO, Principal Financial and Accounting Officer, and Board member effective July 2, 2026, for personal reasons.","Kathryn Masci (SVP Finance) and Daniel Plourde (SVP Finance) appointed as interim Co-CFOs of the sponsor, effective July 2, 2026.","Masci also named Principal Financial and Accounting Officer of the trust and a member of the sponsor's Board of Managers.","Masci has been with Grayscale since May 2020; Plourde joined in September 2022 and has over 20 years of financial services experience.","McGee leaves on good terms after 7 years; no disagreement with company operations or policies."],"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":0.4,"calibrated_materiality_score":0.4,"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":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},{"id":300198,"accession_number":"0000950170-23-029647","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2023-06-23T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust replaces Binance.US with Crypto.com in index price calculation","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Effective June 17, 2023, Binance.US removed from CoinDesk Ether Classic Price Index due to suspending USD deposits/withdrawals.","Crypto.com added as constituent exchange; Index now uses Coinbase, Kraken, and Crypto.com.","Index Provider may change trading venues or calculation method at any time; quarterly reviews scheduled.","Change could affect the Trust's net asset value per share derived from the Index Price."],"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":300197,"accession_number":"0000950170-23-029623","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2023-06-23T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust extends index license agreement with CoinDesk Indices to February 2025","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Amendment extends Index License Agreement term from Feb 29, 2024 to Feb 28, 2025.","Agreement governs use of CoinDesk Ether Classic Price Index (ECX) for Index Price calculation.","Confidential operational milestones and fee discounts included but redacted as non-material."],"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":338395,"accession_number":"0000950170-22-019169","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2022-10-03T23:59:59+00:00","items":["1.01","1.02","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust replaces Genesis with Grayscale Securities as distributor and authorized participant","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Entered into Distribution and Marketing Agreement with Grayscale Securities, LLC on October 3, 2022.","Terminated previous distribution and marketing agreement with Genesis Global Trading, Inc. effective same date.","Grayscale Securities becomes sole authorized participant; Genesis remains as liquidity provider.","Grayscale Securities is a registered broker-dealer and wholly-owned subsidiary of the sponsor Grayscale Investments.","Participant Agreement allows Grayscale Securities to engage one or more liquidity providers for share creation."],"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":0.6,"calibrated_materiality_score":0.6,"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":355760,"accession_number":"0000950170-22-019037","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2022-09-29T23:59:59+00:00","items":["4.01","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust (ETC) changes auditor to Marcum after Friedman practice combination","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Audit committee approved dismissal of Friedman LLP and engagement of Marcum LLP on September 27, 2022.","Friedman's prior audit reports for 2021 and 2020 contained no adverse opinion except emphasis on digital asset investments.","No disagreements with Friedman on accounting principles or audit scope during the two most recent fiscal years.","Trust has not consulted Marcum on any accounting or auditing matter prior to engagement."],"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":374024,"accession_number":"0001193125-22-093809","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2022-04-01T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust reduces Sponsor's Fee from 3.0% to 2.5%","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Sponsor's Fee cut from 3.0% to 2.5% of Digital Asset Holdings Fee Basis Amount, effective April 1, 2022.","Sponsor will stop directing up to one-third of its fee to Ethereum Classic Network initiatives after April 2022.","Barry Silbert resigned from the Ethereum Classic Cooperative board effective April 1, 2022.","Fee reduction lowers expense ratio for trust shareholders."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","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":392653,"accession_number":"0000950170-22-002878","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2022-03-04T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Digital Currency Group expands share repurchase program to $250M across Grayscale products","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["DCG authorizes up to $30M for Grayscale Litecoin Trust (LTCN), $10M for Horizen (HZEN), $10M for Zcash (ZCSH), and $200M aggregate for six other Grayscale products.","New authorization adds to prior remaining balances: $301.3M for GBTC and $4.5M for ETCG repurchases.","DCG plans open-market purchases at management's discretion, using cash on hand; program may be modified or discontinued at any time."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","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":392652,"accession_number":"0001193125-22-028546","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2022-02-04T23:59:59+00:00","items":["1.01","1.02","8.01","9.01"],"status":"ready","headline":"ETCG switches to simpler index price calculation for ETC valuation","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Effective Feb 1, 2022, Trust uses Index Price without prior additional averaging mechanism; aims for greater transparency.","Average historical difference between old and new index prices was 0.08% for period 2019–2021.","New Index License Agreement with CoinDesk Indices executed; prior 2019 agreement terminated.","Index constituent exchanges and fallback pricing hierarchy remain unchanged.","GAAP NAV continues using Coinbase Pro price; Index Price is non-GAAP and not used in financial statements."],"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":392651,"accession_number":"0000950170-22-000299","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2022-01-13T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust amends ETC valuation cascade rules","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Sponsor updated cascading rules for determining Index Price effective Jan 11, 2022.","Primary source: CoinDesk ECX Index; falls back to Coin Metrics Real-Time Rate.","Third fallback: spot price from principal market; last resort: Sponsor good faith estimate.","All determinations made in Sponsor's sole discretion with no predefined criteria.","Change disclosed under Item 8.01; no impact on financial statements or NAV."],"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":411036,"accession_number":"0001564590-21-060009","cik":1705181,"company_name":"Grayscale Ethereum Classic Trust (ETC)","ticker":"ETCG","form_type":"8-K","filed_at":"2021-12-10T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Grayscale Ethereum Classic Trust reduces Rule 144 holding period to six months as of Dec 9, 2021","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Minimum holding period for shares purchased from Trust reduced from one year to six months effective Dec 9, 2021.","Trust had been subject to Exchange Act reporting for 90 days as of Dec 9, triggering Rule 144(d)(1)(i) change.","As of Dec 9, 2021, 12,081,583 shares freely tradable and unrestricted out of 13,993,800 issued and outstanding.","All shares purchased from Trust prior to June 9, 2021 now eligible for resale under six-month holding period."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"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}