{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-054318","form_type":"8-K","ticker":"ABTC","cik":"0001755953","company_name":"American Bitcoin Corp.","filed_at":"2025-06-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.597280+00:00","generated_at":"2026-05-19T08:43:17.064717+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Director Dan Tolhurst resigns from Gryphon Digital Mining board effective June 12","bullets":["Dan Tolhurst resigned as director effective June 12, 2025.","Resignation not due to any disagreement with company operations, policies, or practices.","No replacement named; board size remains as previously constituted."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-054318","json":"https://secwatch.observer/filing/0001213900-25-054318.json","markdown":"https://secwatch.observer/filing/0001213900-25-054318.md","text":"https://secwatch.observer/filing/0001213900-25-054318.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1755953/000121390025054318/0001213900-25-054318-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1755953/000121390025054318/ea0245327-8k_gryphon.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T08:43:17.064717+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":"e79e569104","claim":"Dan Tolhurst resigned as director at American Bitcoin Corp..","evidence_excerpt":"On June 10, 2025, Mr. Dan Tolhurst resigned, effective as of June 12, 2025, as a director of Gryphon Digital Mining, Inc. (the “ Company ”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1755953/000121390025054318/0001213900-25-054318-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}