Form 4: CoStar Group President Sells 25,000 Shares of Common Stock

Frederick G. Saint, President of Marketplaces at CoStar Group, Inc. (CSGP), reported the sale of 25,000 shares of common stock for approximately $2.03 million.

Summary

• Frederick G. Saint, President, Marketplaces of CoStar Group, Inc. (CSGP), reported a transaction on June 11, 2025.
• Mr. Saint disposed of 25,000 shares of CoStar Group common stock.
• The shares were sold at an average price of $81.1 per share, with prices ranging from $81.00 to $81.33.
• The total value of the shares sold amounts to approximately $2,027,500.
• Following this transaction, Mr. Saint directly beneficially owns 344,539 shares of CoStar Group common stock.
• The transaction was made pursuant to a Rule 10b5-1 trading plan.

Sentiment

Score: 5

Explanation: The document is a factual report of an insider stock transaction. While insider selling can sometimes be viewed with caution, the presence of a Rule 10b5-1 plan suggests a pre-arranged, non-discretionary sale, which typically mitigates negative sentiment compared to an unannounced, discretionary sale.

Negatives

• Insider selling, even under a Rule 10b5-1 plan, can sometimes be perceived negatively by investors as it might suggest a lack of confidence or a belief that the stock price is at a favorable level for selling.

Industry Context

This Form 4 filing details a routine insider transaction and does not provide broader industry context or trends. It is specific to the individual's stock holdings and trading activity within CoStar Group.

Stakeholder Impact

• Shareholders: May observe the insider sale as a data point for their investment decisions, though sales under 10b5-1 plans are often less impactful than discretionary sales.

Key Dates

Keywords

CoStar Group, CSGP, Insider Trading, Stock Sale, Form 4, Frederick G. Saint, Marketplaces, Equity Disposal, Rule 10b5-1