Form 4: CoStar CHRO Desmarais Reports Stock Transactions

CoStar Group's Chief Human Resources Officer, Michael J. Desmarais, reported the acquisition of 17,926 restricted stock units and the disposition of 6,353 common shares for tax purposes.

Summary

• Michael J. Desmarais, CoStar Group's Chief Human Resources Officer, acquired 17,926 Restricted Stock Units (RSUs) on February 27, 2026.
• Each RSU represents a contingent right to receive one share of CoStar Group, Inc. common stock.
• These RSUs will vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029.
• Desmarais also disposed of 6,353 shares of common stock on March 1, 2026, at a price of $44.63 per share.
• This disposition was for the payment of tax liability, indicated by transaction code 'F'.
• Following these transactions, Desmarais beneficially owns 72,922 shares of common stock directly, which includes 157 shares acquired under the Employee Stock Purchase Plan.
• He also directly owns 17,926 derivative securities (RSUs).

Sentiment

Score: 7

Explanation: StockSavvy.ai views this filing as moderately positive. The grant of RSUs to a key executive indicates continued incentive alignment, while the share disposition is a routine tax-related event, not signaling a lack of confidence.

Positives

• Acquisition of 17,926 Restricted Stock Units (RSUs) by a key executive, aligning management's interests with long-term shareholder value.
• The executive's continued beneficial ownership of 72,922 common shares, demonstrating ongoing investment in the company.

Negatives

• Disposition of 6,353 common shares, although for tax purposes, represents a reduction in direct share ownership.

Industry Context

StockSavvy.ai notes that insider transactions, such as the grant of RSUs and the sale of shares for tax purposes, are common occurrences in publicly traded companies. The RSU grant aligns executive incentives with long-term company performance, a standard practice in executive compensation across the real estate technology and data industry.

Corporate Governance

Stakeholder Impact

• Shareholders: The RSU grant aligns executive incentives with long-term shareholder value. The tax-related sale is a routine event and does not indicate a change in company fundamentals.
• Employees: The mention of the Employee Stock Purchase Plan indicates ongoing employee equity participation opportunities.

Next Steps

• Vesting of 17,926 Restricted Stock Units in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029.

Key Dates

Recommendation

This Form 4 filing details routine insider transactions, specifically the grant of Restricted Stock Units (RSUs) to a Chief Human Resources Officer and a subsequent sale of shares to cover tax liabilities. The RSU grant is a positive for long-term incentive alignment, while the tax-related sale is a common, non-discretionary event. There are no new fundamental insights or significant shifts in executive confidence that would warrant a change from a 'hold' position based solely on this filing.

Keywords

CoStar Group, CSGP, Michael Desmarais, Form 4, Insider Trading, Restricted Stock Units, RSU, Stock Disposition, Executive Compensation, Employee Stock Purchase Plan