{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-23-034594","form_type":"8-K","ticker":"MIR","cik":"0001809987","company_name":"Mirion Technologies, Inc.","filed_at":"2023-10-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.576601+00:00","generated_at":"2026-06-09T21:55:21.092689+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Mirion Medical Group President Michael Rossi resigns Nov 1; CEO Logan steps in","bullets":["Michael Rossi resigns as Medical Group President, effective Nov 1, 2023, to become CEO at another public company.","CEO Thomas Logan reassumes Medical Group President duties until a permanent successor is named.","Rossi’s resignation is not due to any disagreement with the Company regarding operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-23-034594","json":"https://secwatch.observer/filing/0001628280-23-034594.json","markdown":"https://secwatch.observer/filing/0001628280-23-034594.md","text":"https://secwatch.observer/filing/0001628280-23-034594.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1809987/000162828023034594/0001628280-23-034594-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1809987/000162828023034594/mir-20231018.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T21:55:21.092689+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":"0a7137be53","claim":"Michael Rossi resigned as Medical Group President at Mirion Technologies, Inc..","evidence_excerpt":"On October 13, 2023, Mr. Michael Rossi, who has served as the Medical Group President of Mirion Technologies, Inc. (the “Company”), notified the Company of his decision to resign from his position, effective November 1, 2023, in order to assume a CEO role at another public company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1809987/000162828023034594/0001628280-23-034594-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Medical Group President"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}