Trade Summary

Yesterday, FLORANCE ANDREW C, serving as Founder and CEO at COSTAR GROUP, INC. (CSGP), purchased 83,300 shares at $29.89 per share, for a total transaction value of $2,489,837.00. Following this transaction, FLORANCE ANDREW C now holds 1,806,165 shares of CSGP.

This purchase represents a 4.83% increase in FLORANCE ANDREW C's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, August 4, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, August 5, 2026 at 9:27 AM ET, 1 day after the trade was made.

COSTAR GROUP, INC. operates in the REAL ESTATE sector, specifically within the REAL ESTATE SERVICES industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.