Form 4: CoStar CHRO Sells Shares for Tax Obligations
Insider Transaction Report
CoStar Group's Chief Human Resources Officer and Director, Michael J. Desmarais, disposed of 2,873 shares of common stock to cover tax withholding obligations.
Summary
- Michael J. Desmarais, Chief Human Resources Officer and Director of CoStar Group, Inc. (CSGP), reported a transaction on March 15, 2026.
- Desmarais disposed of 2,873 shares of CoStar Group common stock.
- The disposition was made to satisfy tax withholding obligations, indicated by transaction code 'F'.
- The shares were valued at $43.63 per share, based on the closing price on March 13, 2026.
- Following this transaction, Desmarais beneficially owns 87,725 shares of CoStar Group common stock directly.
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as a neutral event. The disposition of shares is for tax withholding purposes, which is a routine administrative action for executives receiving equity compensation and does not indicate a change in company fundamentals or management sentiment.
Future Outlook
This filing does not contain any forward-looking statements or guidance.
Industry Context
StockSavvy.ai notes that insider transactions, particularly those related to tax withholding, are common and generally do not reflect a change in management's outlook on the company's performance or industry trends. They are typically routine administrative events.
Key Dates
| Date | Description |
|---|---|
| 03/13/2026 | Closing price of CoStar Group common stock on Nasdaq was $43.63, used for valuation of disposed shares. |
| 03/15/2026 | Date of transaction where 2,873 shares were disposed of for tax withholding. |
| 03/17/2026 | Date the Statement of Changes in Beneficial Ownership (Form 4) was filed. |
Keywords
CoStar Group, CSGP, Insider Transaction, Form 4, Stock Sale, Tax Withholding, Chief Human Resources Officer, Director
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