{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-122646","form_type":"8-K","ticker":"CMP","cik":"0001227654","company_name":"COMPASS MINERALS INTERNATIONAL INC","filed_at":"2025-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.983997+00:00","generated_at":"2026-05-16T12:31:41.962620+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Compass Minerals adds 4 directors, expands board to 12, creates CAT committee","bullets":["Appointed Russell Ball (Mining), Denise Merle (Weyerhaeuser), Mark Roberts (ex-Morton Salt CEO), David Safran (Innovative Surface Solutions) to board, effective Dec 18, 2025.","Ball will chair Audit Committee after 2026 annual meeting; Roberts will chair EHS&S Committee; Safran not independent due to $3.17M in prior salt-treatment purchases.","Board expanded from 8 to 12; Koch-appointed directors Vance Holtzman and Shane Wagnon not standing for reelection at 2026 annual meeting; Lori Walker also departing.","Chair Joe Reece to stand for reelection in 2026, then transition off board; board expected to shrink to 8 by 2027 annual meeting.","Created new Capital Allocation and Technical Committee to support back-to-basics strategy on core Salt and Plant Nutrition businesses."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-122646","json":"https://secwatch.observer/filing/0001104659-25-122646.json","markdown":"https://secwatch.observer/filing/0001104659-25-122646.md","text":"https://secwatch.observer/filing/0001104659-25-122646.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1227654/000110465925122646/0001104659-25-122646-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1227654/000110465925122646/tm2533931d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:31:41.962620+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}