{"schema_version":"secwatch.filing_event.v1","accession":"0000950103-24-006873","form_type":"8-K","ticker":"GBTC","cik":"0001588489","company_name":"Grayscale Bitcoin Trust ETF","filed_at":"2024-05-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:19.104687+00:00","generated_at":"2026-06-01T12:41:42.192062+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Grayscale Bitcoin Trust appoints Peter Mintzberg as CEO effective Aug 15, 2024","bullets":["Peter Mintzberg appointed CEO of Grayscale Investments, effective August 15, 2024, also joining the board.","Michael Sonnenshein steps down immediately; CFO Edward McGee serves as interim principal executive officer.","Mintzberg joins from Goldman Sachs as Global Head of Strategy for Asset and Wealth Management.","Under Sonnenshein, Grayscale grew from $60M to ~$30B AUM and won SEC court case for spot Bitcoin ETF.","Sonnenshein steps down to pursue other interests; transition is planned and smooth."],"urls":{"canonical":"https://secwatch.observer/filing/0000950103-24-006873","json":"https://secwatch.observer/filing/0000950103-24-006873.json","markdown":"https://secwatch.observer/filing/0000950103-24-006873.md","text":"https://secwatch.observer/filing/0000950103-24-006873.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1588489/000095010324006873/0000950103-24-006873-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1588489/000095010324006873/dp211407_8k-gbtc.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T12:41:42.192062+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":"1f93322d1e","claim":"Michael Sonnenshein departed as Chief Executive Officer at Grayscale Bitcoin Trust ETF.","evidence_excerpt":"has decided to step down from his position, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1588489/000095010324006873/0000950103-24-006873-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"2aeb269906","claim":"Edward McGee was appointed as Principal Executive Officer (interim) at Grayscale Bitcoin Trust ETF.","evidence_excerpt":"Mr. Edward McGee, the Chief Financial Officer of Grayscale and principal financial officer of the Company, will serve as principal executive officer on an interim basis","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1588489/000095010324006873/0000950103-24-006873-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed as interim"},{"label":"Role","value":"Principal Executive Officer (interim)"}],"fact_type":"executive_change"},{"claim_id":"4845dbe1d9","claim":"Peter Mintzberg was appointed as Chief Executive Officer at Grayscale Bitcoin Trust ETF.","evidence_excerpt":"the appointment of Peter Mintzberg to serve as Grayscale’s new Chief Executive Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1588489/000095010324006873/0000950103-24-006873-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}