Andrew C. Florance, President and CEO of COSTAR GROUP, INC. (CSGP), has acquired a significant stake in the company. On February 27, 2026, Florance purchased 55,720 shares of CSGP at a price of $44.52 per share, amounting to a total investment of approximately $2,480,654.
This transaction marks a notable insider buy, with the CEO personally investing a substantial sum into the company's stock. Such purchases by senior executives are often interpreted by the market as a strong signal of confidence in the company's future prospects and performance. The timing of the purchase adds to its significance, as it provides a direct insight into management's belief in COSTAR GROUP's ongoing strategy and valuation.