InsiderFlow

FLORANCE ANDREW C

CSGP

FLORANCE ANDREW C serves as director, officer: President and CEO at CoStar Group, Inc. (CSGP). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

2 trades

$3.58M

Total Sells

16 trades

$71.49M

Net Position

Net Seller

$67.91M

Companies Traded

1

CSGP

Active Period

Feb 2021 – Mar 2026

18 total trades

Most Recent

Buy CSGP

Mar 2, 2026 · $2.48M

FLORANCE ANDREW C's Insider Trading at CoStar Group, Inc. (CSGP)

Buys

2 · $3.58M

Sells

16 · $71.49M

Total Shares Bought

70,451

Total Shares Sold

714,399

CSGP Price Chart
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DateTypeValue
Mar 2, 2026 Buy$2.48M
Feb 19, 2026 Sell$943.2K
Feb 15, 2026 Sell$786.5K
Mar 1, 2025 Sell$3.15M
Feb 15, 2025 Sell$1.05M
Feb 13, 2025 Sell$2.46M
Oct 25, 2024 Buy$1.10M
Mar 1, 2024 Sell$2.11M
Feb 22, 2024 Sell$1.85M
Feb 15, 2024 Sell$1.34M
Apr 28, 2023 Sell$27.68M
Mar 15, 2023 Sell$626.2K
Mar 1, 2023 Sell$1.71M
Feb 14, 2023 Sell$957.5K
Mar 1, 2022 Sell$704.1K
Feb 15, 2022 Sell$5.56M
Mar 10, 2021 Sell$16.02M
Feb 28, 2021 Sell$4.55M
FLORANCE ANDREW C Insider Trading Activity | CoStar Group, Inc. | InsiderFlow