Form 4: CoStar Group CAO Reports Stock Disposition

Chief Accounting Officer Cynthia Cammett disposed of 461 shares of CoStar Group common stock to cover tax obligations.

Summary

• Cynthia Cammett, Chief Accounting Officer of CoStar Group, Inc., reported the disposition of 461 shares of common stock.
• The transaction occurred on June 15, 2026, at a price of $32.04 per share.
• The disposition was executed to satisfy tax withholding obligations related to the vesting of equity awards.
• Following this transaction, the reporting person maintains beneficial ownership of 24,687 shares of CoStar Group common stock.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as it represents a routine administrative tax withholding transaction rather than a strategic shift or market-driven sale.

Positives

• The transaction is a routine administrative action related to tax withholding rather than a discretionary sale of shares.

Negatives

• Reduction in the total number of shares held directly by the Chief Accounting Officer.

Risks

• None identified; this is a standard regulatory disclosure for executive compensation tax compliance.

Future Outlook

Not applicable; this is a historical transaction report.

Industry Context

StockSavvy.ai notes that routine tax-related share dispositions by corporate officers are standard industry practice and do not typically signal a change in management sentiment regarding company performance.

Comparison to Industry Standards

• The transaction aligns with standard executive compensation practices where equity awards are subject to mandatory tax withholding upon vesting.

Stakeholder Impact

• Minimal impact on shareholders as the transaction is a standard tax compliance measure.

Next Steps

• No future actions or milestones were disclosed in this filing.

Key Dates

Keywords

CoStar Group, CSGP, Form 4, Insider Trading, Chief Accounting Officer, Equity Compensation