Andy Florance

Companies

• CoStar GroupBoard member Mar 14, 2006 to now¹¹
• CoStar GroupChief executive officer 1987 to now¹²
• CoStar GroupFounder¹³
• CoStar GroupPresident Mar 14, 2006 to Oct 5, 2020¹¹
• Walker & DunlopBoard member Nov 5, 2012 to Jun 5, 2015¹⁴

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 CSGP1,806,165 shares¹⁵$57.2M at $31.66Aug 4, 2026

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

Recent filings

• Aug 4, 2026Bought 83,300 shares at $29.89 of CoStar Group¹⁵
• May 1, 2026Bought 3,100 shares at $35.82 of CoStar Group¹⁶
• May 1, 2026Bought 68,330 shares at $35.17 of CoStar Group¹⁶
• Mar 10, 2026Granted 124,162 shares of CoStar Group¹⁷
• Mar 1, 2026Shares withheld for tax 59,593 shares at $44.63 of CoStar Group¹⁸
• Feb 27, 2026Bought 55,720 shares at $44.52 of CoStar Group¹⁹
• Feb 19, 2026Shares withheld for tax 19,221 shares at $49.07 of CoStar Group²⁰
• Feb 19, 2026Returned to company 104,983 shares of CoStar Group²⁰
• Feb 15, 2026Shares withheld for tax 17,482 shares at $44.99 of CoStar Group²¹
• Mar 5, 2025Granted 76,232 shares of CoStar Group²²
• Mar 1, 2025Shares withheld for tax 41,296 shares at $76.25 of CoStar Group²³
• Feb 20, 2025Granted 451,440 shares of CoStar Group²⁴
• Feb 15, 2025Shares withheld for tax 14,235 shares at $74.06 of CoStar Group²⁵
• Feb 13, 2025Shares withheld for tax 33,511 shares at $73.27 of CoStar Group²⁴
• Feb 13, 2025Returned to company 28,896 shares of CoStar Group²⁴
• Oct 25, 2024Bought 14,731 shares at $74.67 of CoStar Group²⁶
• Mar 1, 2024Shares withheld for tax 24,228 shares at $87.03 of CoStar Group²⁷
• Feb 22, 2024Granted 367,840 shares of CoStar Group²⁸
• Feb 22, 2024Shares withheld for tax 22,058 shares at $83.98 of CoStar Group²⁸
• Feb 22, 2024Returned to company 31,200 shares of CoStar Group²⁸
• Feb 15, 2024Shares withheld for tax 16,296 shares at $82.32 of CoStar Group²⁹
• Apr 28, 2023Sold 360,530 shares at $76.77 of CoStar Group³⁰
• Apr 28, 2023Exercised options 360,530 shares at $18.28 of CoStar Group³⁰
• Mar 15, 2023Shares withheld for tax 9,261 shares at $67.62 of CoStar Group³¹
• Mar 15, 2023Granted 37,844 shares of CoStar Group³¹