{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-187297","form_type":"8-K","ticker":"COHR","cik":"0000820318","company_name":"COHERENT CORP.","filed_at":"2026-04-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.788662+00:00","generated_at":"2026-05-15T03:28:31.334175+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Coherent CSO Giovanni Barbarossa transitions to Special Advisor, retiring Sep 2026","bullets":["Giovanni Barbarossa stepped down as Chief Strategy Officer effective April 27, 2026.","He will serve as Special Advisor to the CEO until his retirement in September 2026.","Transition is a planned departure; no immediate replacement announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-187297","json":"https://secwatch.observer/filing/0001193125-26-187297.json","markdown":"https://secwatch.observer/filing/0001193125-26-187297.md","text":"https://secwatch.observer/filing/0001193125-26-187297.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/820318/000119312526187297/0001193125-26-187297-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/820318/000119312526187297/d107137d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T03:28:31.334175+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":"fb4df1e59d","claim":"Giovanni Barbarossa changed role as Chief Strategy Officer at COHERENT CORP..","evidence_excerpt":"Giovanni Barbarossa notified Coherent Corp. (the “Company”) of his intention to transition from his role as the Company’s Chief Strategy Officer, effective as of the Transition Date, and retire in September 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/820318/000119312526187297/0001193125-26-187297-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"transitioned from"},{"label":"Role","value":"Chief Strategy Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}