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COSTAR GROUP, INC. — 4/A Filings

4 4/A filings on record

This page lists all 4/A filings submitted to the SEC by COSTAR GROUP, INC. (CSGP), sorted by most recent first. Each row links to the full filing on EdgarLookup. COSTAR GROUP, INC. has filed 4 4/A documents with the SEC since 2011. To view all SEC filings by COSTAR GROUP, INC., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 144 3 4 4/A 424B1 424B2 424B3 424B4 425 5 8-A12G 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A EFFECT FWP POS EX PRE 14A PX14A6G RW S-1 S-1/A S-1MEF S-3 S-3/A S-3ASR S-3MEF S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
4/A FORM 4/A 0001758152-26-000008 Mar 17, 2026 Mar 15, 2026
4/A FORM 4/A 0001057352-24-000109 Aug 5, 2024 Jul 1, 2024
4/A FORM 4/A 0001057352-16-000134 May 2, 2016 Mar 11, 2016
4/A FORM 4/A 0001057352-16-000133 May 2, 2016 Mar 11, 2016