Michael J. Desmarais

Companies

• CoStar GroupChief Human Resources Officer Apr 28, 2022 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• CoStar Group CSGP87,725 shares²$2.8M at $31.66Mar 15, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Mar 15, 2026Shares withheld for tax 2,873 shares at $43.63 of CoStar Group²
• Mar 10, 2026Granted 17,676 shares of CoStar Group³
• Mar 1, 2026Shares withheld for tax 6,353 shares at $44.63 of CoStar Group⁴
• Mar 15, 2025Shares withheld for tax 3,641 shares at $78.73 of CoStar Group⁵
• Mar 5, 2025Granted 9,026 shares of CoStar Group⁶
• Mar 1, 2025Shares withheld for tax 3,893 shares at $76.25 of CoStar Group⁷
• Feb 27, 2025Granted 18,828 shares of CoStar Group⁷
• Nov 26, 2024Sold 5,500 shares at $79.88 of CoStar Group⁸
• Apr 26, 2024Sold 3,800 shares at $92.67 of CoStar Group⁹
• Mar 15, 2024Shares withheld for tax 2,267 shares at $87.87 of CoStar Group¹⁰
• Mar 1, 2024Shares withheld for tax 1,829 shares at $87.03 of CoStar Group¹¹
• Mar 1, 2024Granted 6,924 shares of CoStar Group¹¹
• Feb 22, 2024Granted 16,976 shares of CoStar Group¹²
• Oct 1, 2023Shares withheld for tax 1,663 shares at $76.89 of CoStar Group¹³
• Mar 15, 2023Shares withheld for tax 2,210 shares at $67.62 of CoStar Group¹⁴
• Mar 15, 2023Granted 3,292 shares of CoStar Group¹⁴
• Mar 8, 2023Sold 5,600 shares at $70.36 of CoStar Group¹⁵
• Mar 1, 2023Shares withheld for tax 593 shares at $70.66 of CoStar Group¹⁶
• Feb 24, 2023Granted 14,139 shares at $70.73 of CoStar Group¹⁷
• Oct 28, 2022Sold 1,296 shares at $82.81 of CoStar Group¹⁸
• Oct 1, 2022Shares withheld for tax 1,423 shares at $69.65 of CoStar Group¹⁹
• Aug 3, 2022Sold 2,000 shares at $72.51 of CoStar Group²⁰
• May 2, 2022Sold 1,000 shares at $63.14 of CoStar Group²¹