COSTAR GROUP, INC. Form 4 Filing

This filing details a transaction by Cynthia Cammett, Chief Accounting Officer of COSTAR GROUP, INC. (CSGP). On March 15, 2026, Ms. Cammett disposed of 1,194 shares of the company's common stock. The transaction, coded as 'F' (likely indicating a sale or disposition), occurred at a price of $43.63 per share. Following this transaction, Ms. Cammett directly owns 25,148 shares of COSTAR GROUP, INC. common stock. The closing price of the stock on the preceding business day, March 13, 2026, was also $43.63, as noted in footnote F1.