{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-260418","form_type":"8-K","ticker":"IRON","cik":"0001816736","company_name":"Disc Medicine, Inc.","filed_at":"2023-10-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.629363+00:00","generated_at":"2026-06-09T17:08:32.982938+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Disc Medicine announces planned departure of CFO Joanne Bryce; search for successor initiated","bullets":["Joanne Bryce plans to depart as CFO effective upon identification of her successor; no disagreement with company.","Bryce will remain as principal financial and accounting officer until a permanent replacement is hired.","Company has commenced a formal search for a new CFO; transition expected to be orderly.","CEO John Quisel thanked Bryce for her leadership since inception, including taking the company public and strengthening balance sheet."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-260418","json":"https://secwatch.observer/filing/0001193125-23-260418.json","markdown":"https://secwatch.observer/filing/0001193125-23-260418.md","text":"https://secwatch.observer/filing/0001193125-23-260418.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1816736/000119312523260418/0001193125-23-260418-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1816736/000119312523260418/d561595d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T17:08:32.982938+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":"ece12ee93f","claim":"Joanne Bryce departed as Chief Financial Officer at Disc Medicine, Inc..","evidence_excerpt":"On October 23, 2023, Disc Medicine, Inc. (the “Company”) announced that Joanne Bryce plans to depart from her position as Chief Financial Officer effective upon the Company identifying her successor.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1816736/000119312523260418/0001193125-23-260418-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"plans to depart"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}