FLORANCE ANDREW C

CSGP

FLORANCE ANDREW C serves as director, officer: Founder 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

4 trades

$8.58M

Total Sells

16 trades

$71.49M

Net Position

Net Seller

$62.91M

Companies Traded

CSGP

Active Period

Feb 2021 – Aug 2026

20 total trades

Most Recent

Buy CSGP

Aug 5, 2026 · $2.49M

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

Buys

4 · $8.58M

Sells

16 · $71.49M

Total Shares Bought

225,181

Total Shares Sold

714,399

CSGP Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 5, 2026	Buy	83,300	$29.89	$2.49M	1,806,165
May 4, 2026	Buy	71,430	$35.20	$2.51M	1,722,865
Mar 2, 2026	Buy	55,720	$44.52	$2.48M	1,586,866
Feb 19, 2026	Sell	19,221	$49.07	$943.2K	0
Feb 15, 2026	Sell	17,482	$44.99	$786.5K	0
Mar 1, 2025	Sell	41,296	$76.25	$3.15M	0
Feb 15, 2025	Sell	14,235	$74.06	$1.05M	0
Feb 13, 2025	Sell	33,511	$73.27	$2.46M	0
Oct 25, 2024	Buy	14,731	$74.67	$1.10M	0
Mar 1, 2024	Sell	24,228	$87.03	$2.11M	0
Feb 22, 2024	Sell	22,058	$83.98	$1.85M	0
Feb 15, 2024	Sell	16,296	$82.32	$1.34M	0
Apr 28, 2023	Sell	360,530	$76.77	$27.68M	0
Mar 15, 2023	Sell	9,261	$67.62	$626.2K	0
Mar 1, 2023	Sell	24,224	$70.66	$1.71M	0
Feb 14, 2023	Sell	12,471	$76.78	$957.5K	0
Mar 1, 2022	Sell	11,541	$61.01	$704.1K	0
Feb 15, 2022	Sell	82,953	$67.03	$5.56M	0
Mar 10, 2021	Sell	19,570	$818.37	$16.02M	0
Feb 28, 2021	Sell	5,522	$823.76	$4.55M	0