{"schema_version":"secwatch.filing_event.v1","accession":"0001057352-22-000069","form_type":"8-K","ticker":"CSGP","cik":"0001057352","company_name":"COSTAR GROUP, INC.","filed_at":"2022-05-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:59.539628+00:00","generated_at":"2026-06-25T22:11:46.096726+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"CoStar Group amends bylaws to add proxy access, special meeting right, simple majority voting","bullets":["Holders of 25% of outstanding common stock can call a special meeting.","Proxy access: stockholder/group of up to 20 owning 3% for 3 years can nominate up to 2 or 20% of board.","Eliminated supermajority voting requirements; all stockholder votes now simple majority.","Other clarifications to advance notice provisions and Delaware law compliance."],"urls":{"canonical":"https://secwatch.observer/filing/0001057352-22-000069","json":"https://secwatch.observer/filing/0001057352-22-000069.json","markdown":"https://secwatch.observer/filing/0001057352-22-000069.md","text":"https://secwatch.observer/filing/0001057352-22-000069.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1057352/000105735222000069/0001057352-22-000069-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1057352/000105735222000069/csgp-20220418.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T22:11:46.096726+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"}