Andrew C Florance insider trades

Open-market stock purchases and sales by Andrew C Florance, Founder and CEO at Costar Group, Inc, from SEC Form 4 filings since Feb 27, 2010.

Track record: 50% of 8 scored buys are up 5% or more since purchase, averaging +17%.

Recent trades

DateStockTradeValue
Aug 4, 2026CSGP Costar Group, IncBought$2.5M
May 1, 2026CSGP Costar Group, IncBought$2.4M
May 1, 2026CSGP Costar Group, IncBought$111K
Mar 10, 2026CSGP Costar Group, IncBought (not open market)—
Mar 1, 2026CSGP Costar Group, IncSold (not open market)$2.7M
Feb 27, 2026CSGP Costar Group, IncBought$2.5M
Feb 27, 2026CSGP Costar Group, IncBought (not open market)—
Feb 19, 2026CSGP Costar Group, IncSold (not open market)—
Feb 19, 2026CSGP Costar Group, IncSold (not open market)$943K
Feb 15, 2026CSGP Costar Group, IncSold (not open market)$787K

Companies traded

  • CSGP Costar Group, Inc: 5 buys, 31 sales, last Aug 4, 2026
  • WD Walker & Dunlop, Inc: 3 buys, last Jun 4, 2015

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