{"schema_version":"secwatch.filing_event.v1","accession":"0001057352-26-000008","form_type":"8-K","ticker":"CSGP","cik":"0001057352","company_name":"COSTAR GROUP, INC.","filed_at":"2026-02-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.478545+00:00","generated_at":"2026-05-16T02:42:24.271874+00:00","sec_items":["5.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"CoStar amends severance plan, removes director-change clause to avoid activist litigation","bullets":["Removed the 'director clause' from Change in Control definition in Executive Severance Plan.","Clause was meant to protect management continuity; removed due to threatened proxy contests by Third Point and D.E. Shaw.","Board and Compensation Committee unanimously approved original clause but agreed to removal at management's request.","All other terms of the Amended Severance Plan remain unchanged and in effect.","Company sought to avoid cost and distraction of an opportunistic Delaware lawsuit."],"urls":{"canonical":"https://secwatch.observer/filing/0001057352-26-000008","json":"https://secwatch.observer/filing/0001057352-26-000008.json","markdown":"https://secwatch.observer/filing/0001057352-26-000008.md","text":"https://secwatch.observer/filing/0001057352-26-000008.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1057352/000105735226000008/0001057352-26-000008-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1057352/000105735226000008/csgp-20260213.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:42:24.271874+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"}