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Polarizing Founder CEO Andy Florance Purchases Shares of CoStar- Insider Weekends

  • August 9, 2026

CoStar Group, Inc. (CSGP): $30.24

Market Cap: $12.25B

Enterprise Value: $12.16B

Introduction 

It was interesting looking at the crop of insider transactions that popped up over the last week, with the largest insider purchases concentrated almost entirely among large-cap names. We were having trouble deciding between two of these large-cap businesses to spotlight for this week’s Insider Weekends article: Boston Scientific (BSX) and CoStar Group (CSGP), both of which have seen their stock prices lose more than half their value in the last year alone.

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