{"schema_version":"secwatch.filing_event.v1","accession":"0001057352-26-000072","form_type":"8-K","ticker":"CSGP","cik":"0001057352","company_name":"COSTAR GROUP, INC.","filed_at":"2026-08-21T20:03:36+00:00","discovered_at":"2026-08-21T20:04:01.144765+00:00","generated_at":"2026-08-21T20:04:05.301061+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"CoStar completes $800M cash acquisition of Zonda, expanding into new home data marketplaces","bullets":["CoStar Group acquired Zonda for $800M cash; deal announced May 29, 2026 and now closed after regulatory approvals.","Zonda serves 3,000+ customers; 2025 revenue ~$170M at 23% Adjusted EBITDA margin.","Adds NewHomeSource.com and Livabl marketplaces; U.S. new home market ~$400B in annual sales.","Q2 2026 revenue $925M (+18% YoY); Adjusted EBITDA doubled to $184M; residential revenue up 33% to $444M.","Zonda CEO Jeff Meyers will stay on; CoStar sees synergies with Matterport's spatial tech."],"urls":{"canonical":"https://secwatch.observer/filing/0001057352-26-000072","json":"https://secwatch.observer/filing/0001057352-26-000072.json","markdown":"https://secwatch.observer/filing/0001057352-26-000072.md","text":"https://secwatch.observer/filing/0001057352-26-000072.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1057352/000105735226000072/0001057352-26-000072-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1057352/000105735226000072/csgp-20260821.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-21T20:04:05.301061+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"}