{"schema_version":"secwatch.filing_event.v1","accession":"0001227654-22-000214","form_type":"8-K","ticker":"CMP","cik":"0001227654","company_name":"COMPASS MINERALS INTERNATIONAL INC","filed_at":"2022-07-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:55.170746+00:00","generated_at":"2026-06-24T16:25:53.067863+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Compass Minerals appoints Melissa Miller to board, expanding to 10 members","bullets":["Melissa Miller appointed as independent director effective July 11, 2022; board expands from 9 to 10.","Miller serves on Nominating/Corporate Governance and EHS&S committees.","Received prorated equity grant of $120,000 vesting July 2023.","Miller is EVP & CHRO of Arconic Corporation with over 20 years HR experience."],"urls":{"canonical":"https://secwatch.observer/filing/0001227654-22-000214","json":"https://secwatch.observer/filing/0001227654-22-000214.json","markdown":"https://secwatch.observer/filing/0001227654-22-000214.md","text":"https://secwatch.observer/filing/0001227654-22-000214.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1227654/000122765422000214/0001227654-22-000214-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1227654/000122765422000214/cmp-20220711.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-24T16:25:53.067863+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":"fd57f8220c","claim":"Melissa M. Miller was appointed as director at COMPASS MINERALS INTERNATIONAL INC.","evidence_excerpt":"Effective July 11, 2022, the Board of Directors (the “Board”) of Compass Minerals International, Inc. (the “Company”) increased the size of the Board from nine directors to ten directors and appointed Melissa M. Miller as a director with a term expiring at the Company’s next annual meeting of stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1227654/000122765422000214/0001227654-22-000214-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}