{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-096515","form_type":"8-K","ticker":"OMC","cik":"0000029989","company_name":"OMNICOM GROUP INC.","filed_at":"2023-12-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.607463+00:00","generated_at":"2026-06-07T11:30:15.089028+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Omnicom appoints Casey Santos as independent director, effective Jan 1, 2024","bullets":["Board size increased from 10 to 11; Santos to serve on Finance Committee.","Santos is CIO of Asurion, with prior roles at Alliance Bernstein, General Atlantic, and McKinsey.","She began her career as a NASA Flight Controller supporting over 20 space shuttle missions.","Board now includes 10 independent directors, 7 women, and 6 ethnically diverse members."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-096515","json":"https://secwatch.observer/filing/0001213900-23-096515.json","markdown":"https://secwatch.observer/filing/0001213900-23-096515.md","text":"https://secwatch.observer/filing/0001213900-23-096515.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/29989/000121390023096515/0001213900-23-096515-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/29989/000121390023096515/ea190219-8k_omnicom.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T11:30:15.089028+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":"a85f640935","claim":"Cassandra Santos was elected as Director at OMNICOM GROUP INC..","evidence_excerpt":"the Board of Directors (the “Board”) of Omnicom Group Inc. (the “Company”) increased the size of the Board from ten persons to eleven persons and elected Cassandra Santos as a director to fill the vacancy created by such increase, effective January 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/29989/000121390023096515/0001213900-23-096515-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"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"}