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FLORANCE ANDREW C
Founder and CEO at CoStar · Director at Walker & Dunlop. Filing since 28 Feb 2007.
CIK 0001066061
CSGP
CoStar Group
Founder and CEO · 41 trades
WD
Walker & Dunlop, Inc.
Director · 1 trade
Company
Date
Role
Action
Shares
Amount
Of holding
CSGP
CoStar Group
4 Aug 2026
Founder and CEO
Bought
83,300
$2.49M
4.8%
CSGP
CoStar Group
1 May 2026
President and CEO
Bought
71,430
$2.51M
4.3%
CSGP
CoStar Group
27 Feb 2026
President and CEO
Bought
55,720
$2.48M
3.6%
CSGP
CoStar Group
25 Oct 2024
President and CEO
Bought
14,731
$1.10M
1.2%
CSGP
CoStar Group
28 Apr 2023
President and CEO
Sold at will
360,530
$27.68M
27.0%
CSGP
CoStar Group
10 Mar 2021
President and CEO
Sold, plan not stated
19,570
$16.02M
20.5%
CSGP
CoStar Group
27 Aug 2020
President and CEO
Sold, plan not stated
15,584
$13.27M
12.7%
CSGP
CoStar Group
26 Aug 2020
President and CEO
Sold, plan not stated
15,584
$13.22M
12.7%
CSGP
CoStar Group
2 Mar 2020
President and CEO
Sold, plan not stated
33,600
$22.31M
23.4%
CSGP
CoStar Group
26 Jul 2019
President and CEO
Sold, plan not stated
24,210
$15.22M
20.1%
CSGP
CoStar Group
4 Mar 2019
President and CEO
Sold, plan not stated
55,322
$26.19M
30.0%
CSGP
CoStar Group
30 Apr 2018
President and CEO
Sold, plan not stated
5,839
$2.15M
4.6%
CSGP
CoStar Group
27 Apr 2018
President and CEO
Sold, plan not stated
11,200
$4.16M
8.2%
CSGP
CoStar Group
26 Apr 2018
President and CEO
Sold, plan not stated
7,782
$2.90M
5.4%
CSGP
CoStar Group
27 Feb 2018
President and CEO
Sold, plan not stated
80,055
$27.79M
37.4%
CSGP
CoStar Group
3 May 2017
President and CEO
Sold, plan not stated
21,768
$5.32M
12.8%
CSGP
CoStar Group
2 May 2017
President and CEO
Sold, plan not stated
21,768
$5.33M
12.8%
CSGP
CoStar Group
2 Mar 2017
President and CEO
Sold, plan not stated
26,271
$5.39M
14.5%
CSGP
CoStar Group
11 Nov 2015
President and CEO
Sold, plan not stated
17,612
$3.61M
11.5%
CSGP
CoStar Group
2 Mar 2015
President and CEO
Sold, plan not stated
33,187
$6.57M
19.7%
CSGP
CoStar Group
6 Mar 2014
President and CEO
Sold, plan not stated
50,000
$10.50M
21.1%
CSGP
CoStar Group
28 Oct 2013
President and CEO
Sold, plan not stated
54,400
$9.74M
15.7%
CSGP
CoStar Group
30 Jul 2013
President and CEO
Sold, plan not stated
30,520
$4.79M
9.4%
CSGP
CoStar Group
29 Jul 2013
President and CEO
Sold, plan not stated
41,608
$6.49M
12.4%
WD
Walker & Dunlop, Inc.
20 May 2013
Director
Bought
12,500
$237.49K
761%
CSGP
CoStar Group
15 Mar 2013
President and CEO
Sold, plan not stated
26,253
$2.63M
8.3%
CSGP
CoStar Group
14 Mar 2013
President and CEO
Sold, plan not stated
30,000
$2.99M
9.2%
CSGP
CoStar Group
4 Mar 2013
President and CEO
Sold, plan not stated
32,330
$3.33M
10.8%
CSGP
CoStar Group
1 Aug 2012
President and CEO
Sold, plan not stated
56,448
$4.52M
15.4%
CSGP
CoStar Group
17 May 2012
President and CEO
Sold, plan not stated
27,745
$1.94M
8.0%
CSGP
CoStar Group
4 Nov 2011
President and CEO
Sold, plan not stated
20,000
$1.26M
9.7%
CSGP
CoStar Group
1 Nov 2011
President and CEO
Sold, plan not stated
45,074
$2.67M
17.9%
CSGP
CoStar Group
9 Aug 2010
President and CEO
Sold, plan not stated
9,883
$441.37K
4.3%
CSGP
CoStar Group
5 Aug 2010
President and CEO
Sold, plan not stated
3,855
$169.93K
1.7%
CSGP
CoStar Group
4 Aug 2010
President and CEO
Sold, plan not stated
8,725
$386.95K
3.8%
CSGP
CoStar Group
29 Oct 2009
President and CEO
Sold, plan not stated
3,600
$141.62K
1.7%
CSGP
CoStar Group
28 Oct 2009
President and CEO
Sold, plan not stated
8,000
$318.08K
3.6%
CSGP
CoStar Group
27 Oct 2009
President and CEO
Sold, plan not stated
34,940
$1.42M
13.7%
CSGP
CoStar Group
7 May 2008
President and CEO
Sold, plan not stated
25,447
$1.33M
11.0%
CSGP
CoStar Group
30 Oct 2007
President and CEO
Sold, plan not stated
29,983
$1.69M
13.4%
CSGP
CoStar Group
29 Oct 2007
President and CEO
Sold, plan not stated
121,230
$6.96M
35.2%
CSGP
CoStar Group
28 Feb 2007
President and CEO
Sold, plan not stated
31,667
$1.52M
13.0%
42 decisions on file.
