{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-106433","form_type":"8-K","ticker":"IRON","cik":"0001816736","company_name":"Disc Medicine, Inc.","filed_at":"2023-04-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.804591+00:00","generated_at":"2026-06-16T23:50:25.101920+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Director Jay T. Backstrom resigns from Disc Medicine board to focus on Scholar Rock CEO role","bullets":["Jay T. Backstrom, M.D., M.P.H., resigns from Board effective June 9, 2023.","Resignation is to focus on his role as Chief Executive Officer of Scholar Rock Holdings.","No disagreement with Disc Medicine's operations, policies, or practices.","Board seat will be vacated; no replacement announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-106433","json":"https://secwatch.observer/filing/0001193125-23-106433.json","markdown":"https://secwatch.observer/filing/0001193125-23-106433.md","text":"https://secwatch.observer/filing/0001193125-23-106433.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1816736/000119312523106433/0001193125-23-106433-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1816736/000119312523106433/d488839d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T23:50:25.101920+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":"c25dfebeaa","claim":"Jay T. Backstrom, M.D., M.P.H. resigned as member of the Board of Directors at Disc Medicine, Inc..","evidence_excerpt":"On April 18, 2023, Jay T. Backstrom, M.D., M.P.H., a member of the Board of Directors (the “Board) of Disc Medicine, Inc. (the “Company”), notified the Company of his resignation from the Board effective as of the close of business on June 9, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1816736/000119312523106433/0001193125-23-106433-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"member of the Board of Directors"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}