CoStar Group CEO Buys $2.48M in Stock, Signaling Confidence Post-10K
CSGP is trading near its 52-week low of $43.16 (6.4% above the low).
Summary
CoStar Group's President and CEO, Andrew C. Florance, acquired $2.48 million worth of company stock in an open market purchase, signaling strong confidence in the company's future.
Key Events · Ownership and Investor Activity · CSGP
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CEO Makes Significant Open Market Purchase
Andrew C. Florance, President and CEO, acquired 55,720 shares of common stock for a total of $2,480,654.40 on February 27, 2026.
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Vote of Confidence Post-Financial Reports
This substantial personal investment follows the company's recent 10-K filing (February 26, 2026) which reported an operating loss for 2025, but aligns with earlier positive Q4 2025 results and a strong 2026 outlook.
Analysis · CSGP · Trade & Services
CoStar Group's President and CEO, Andrew C. Florance, made a significant open market purchase of nearly $2.5 million in company stock. This transaction, occurring shortly after the company's 10-K filing reported a shift to an operating loss for 2025, serves as a strong vote of confidence from top management. The CEO's personal investment aligns with the company's recently announced positive 2026 outlook and ongoing share repurchase programs, suggesting a belief that the stock is undervalued despite recent financial performance. Investors may interpret this as a bullish signal, reinforcing the company's long-term strategy and potential for recovery.
How filings like this one have moved
In the 30 days to Sep 18, 2026, 29.3% of the 1681 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.38%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, CSGP was trading at $45.93 on NASDAQ in the Trade & Services sector, with a market capitalization of approximately $19B. The 52-week trading range was $43.16 to $97.43. This filing was assessed with positive market sentiment and an importance score of 7 out of 10.