Form 4: CoStar Accounting Chief Sells Shares

CoStar Group's Chief Accounting Officer, Cynthia Cammett Cann, sold 1,841 shares of common stock for approximately $126,640.

Summary

• Cynthia Cammett Cann, Chief Accounting Officer of CoStar Group, Inc. (CSGP), sold 1,841 shares of common stock.
• The transaction occurred on November 13, 2025.
• The shares were sold at an average price of $68.79 per share, resulting in a total transaction value of approximately $126,640.39.
• Following this transaction, Ms. Cann beneficially owns 23,211 shares of CoStar Group common stock.
• The sale was executed pursuant to a Rule 10b5-1(c) trading plan, indicating it was pre-arranged.

Sentiment

Score: 5

Explanation: A neutral event. This is a routine insider sale, likely part of a pre-scheduled trading plan, and does not indicate significant positive or negative sentiment regarding the company's prospects.

Industry Context

This is a routine insider transaction for a publicly traded company. Such sales are common for executives managing personal portfolios, especially when executed under a pre-arranged 10b5-1 trading plan, which helps mitigate concerns about trading on material non-public information.

Stakeholder Impact

• Minimal direct impact on shareholders as this is a relatively small, routine insider sale. The transaction was executed under a 10b5-1 plan, which suggests it was pre-scheduled and not based on immediate material non-public information.

Key Dates

Keywords

CoStar Group, CSGP, Insider Sale, Form 4, Cynthia Cammett Cann, Chief Accounting Officer, Stock Transaction, Equity Sale, 10b5-1 Plan