InsiderClue
Stocks · Industrials · Services-Business Services, NEC

CoStar Group

CSGP Clue Score48
United States Fiscal year ends December CIK 0001057352 Results filed 27 Oct 2026
Add to watchlist

What the insiders did Net selling

Individual transactions

70
Insider
Date
Role
Action
Shares
Price
Amount
Cynthia Cammett Cann
7 Aug 2026
Chief Accounting Officer
Sell
4,788
$30.78
$147.37K
John W Hill
5 Aug 2026
Director
Sell
3,500
$30.21
$105.74K
Cynthia Cammett Cann
13 Nov 2025
Chief Accounting Officer
Sell
1,841
$68.79
$126.64K
John W Hill
13 Nov 2025
Director
Sell
2,250
$68.68
$154.53K
Frederick G. Saint
28 Aug 2025
President, Marketplaces
Sell
25,000
$90.33
$2.26M
Cynthia Cammett Cann
28 Jul 2025
Chief Accounting Officer
Sell
2,033
$92.85
$188.76K
Frederick G. Saint
28 Jul 2025
President, Marketplaces
Sell
25,000
$93.23
$2.33M
Frederick G. Saint
11 Jun 2025
President, Marketplaces
Sell
25,000
$81.10
$2.03M
Cynthia Cammett Cann
10 Mar 2025
Chief Accounting Officer
Sell
1,749
$79.90
$139.75K
John W Hill
10 Dec 2024
Director
Sell
2,735
$76.76
$209.94K
Christopher J Nassetta
27 Nov 2024
Director
Sell
1,681
$80.39
$135.14K
Michael J Desmarais
26 Nov 2024
Chief Human Resources Officer
Sell
5,500
$79.88
$439.34K
Cynthia Cammett Cann
11 Nov 2024
Chief Accounting Officer
Sell
1,310
$76.85
$100.67K
Michael R Klein
25 Oct 2024
Director
Sell
71,633
$74.69
$5.35M
Cynthia Cammett Cann
31 Jul 2024
Chief Accounting Officer
Sell
1,200
$78.20
$93.84K
John W Hill
30 Jul 2024
Director
Sell
1,325
$78.16
$103.56K
Frederick G. Saint
16 May 2024
President, Marketplaces
Sell
2,500
$88.43
$221.08K
Lisa Ruggles
9 May 2024
Senior VP, Global Operations
Sell
20,000
$91.15
$1.82M
Michael J Desmarais
26 Apr 2024
Chief Human Resources Officer
Sell
3,800
$92.67
$352.15K
John W Hill
28 Nov 2023
Director
Sell
3,020
$84.07
$253.89K
Christopher J Nassetta
8 Nov 2023
Director
Sell
1,500
$77.86
$116.79K
Lisa Ruggles
30 Jun 2023
Senior VP, Global Research
Sell
30,474
$91.42
$2.79M
Scott T Wheeler
28 Jun 2023
Chief Financial Officer
Sell
21,530
$89.30
$1.92M
Frank Simuro
27 Jun 2023
Chief Technology Officer
Sell
92,300
$89.65
$8.27M
John W Hill
26 Jun 2023
Director
Sell
1,500
$86.57
$129.86K
Scott T Wheeler
12 Jun 2023
Chief Financial Officer
Sell
24,670
$80.68
$1.99M
Frederick G. Saint
7 Jun 2023
President, Marketplaces
Sell
30,000
$80.24
$2.41M
John W Hill
31 Mar 2023
Director
Sell
2,300
$68.50
$157.55K
Michael J Desmarais
8 Mar 2023
Chief Human Resources Officer
Sell
5,600
$70.36
$394.02K
John W Hill
3 Nov 2022
Director
Sell
3,650
$78.92
$288.06K
Michael J Desmarais
28 Oct 2022
Chief Human Resources Officer
Sell
1,296
$82.81
$107.32K
John W Hill
10 Aug 2022
Director
Sell
1,400
$74.49
$104.29K
Michael R Klein
5 Aug 2022
Director
Sell
150,000
$72.42
$10.86M
Michael J Desmarais
3 Aug 2022
Chief Human Resources Officer
Sell
2,000
$72.51
$145.02K
John W Hill
24 May 2022
Director
Sell
1,750
$57.07
$99.87K
Michael J Desmarais
2 May 2022
Chief Human Resources Officer
Sell
1,000
$63.14
$63.14K
Lisa Ruggles
2 Mar 2022
Senior VP, Global Research
Sell
21,640
$59.88
$1.30M
Scott T Wheeler
11 Nov 2021
Chief Financial Officer
Sell indirect
85
$81.72
$6.95K
Christopher J Nassetta
10 Nov 2021
Director
Sell
2,120
$83.21
$176.41K
Laura Cox Kaplan
5 Nov 2021
Director
Sell
4,040
$83.29
$336.49K
John W Hill
29 Oct 2021
Director
Sell
9,235
$86.97
$803.17K
John W Hill
9 Aug 2021
Director
Sell
6,160
$85.77
$528.31K
Laura Cox Kaplan
30 Apr 2021
Director
Sell
1,062
$869.03
$922.91K
Andrew C Florance
10 Mar 2021
President and CEO
Sell
19,570
$818.37
$16.02M
Matthew Linnington
12 Aug 2020
Executive VP, Sales
Sell
2,419
$826.32
$2.00M
Michael R Klein
7 May 2020
Director
Sell
11,361
$636.51
$7.23M
Michael R Klein
6 May 2020
Director
Sell
3,639
$647.52
$2.36M
David Jay Steinberg
4 Mar 2020
Director
Sell
850
$714.00
$606.90K
John W Hill
31 Dec 2019
Director
Sell
500
$591.90
$295.95K
Laura Cox Kaplan
19 Nov 2019
Director
Sell
576
$591.60
$340.76K
Christopher J Nassetta
25 Oct 2019
Director
Sell
406
$570.99
$231.82K
Andrew C Florance
26 Jul 2019
President and CEO
Sell
24,210
$628.64
$15.22M
John W Hill
24 Jun 2019
Director
Sell
315
$553.23
$174.27K
Scott T Wheeler
1 Mar 2019
Chief Financial Officer
Sell
5,396
$476.11
$2.57M
Lisa Ruggles
1 Mar 2019
Senior VP, Global Research
Sell
1,538
$466.62
$717.66K
John W Hill
26 Dec 2018
Director
Sell
1,042
$330.88
$344.78K
Christopher J Nassetta
29 Oct 2018
Director
Sell
571
$349.67
$199.66K
Michael R Klein
6 Aug 2018
Director
Sell
15,000
$420.69
$6.31M
Andrew C Florance
30 Apr 2018
President and CEO
Sell
5,839
$369.05
$2.15M
Andrew C Florance
27 Apr 2018
President and CEO
Sell
11,200
$371.15
$4.16M
Andrew C Florance
26 Apr 2018
President and CEO
Sell
7,782
$372.34
$2.90M
John W Hill
29 Mar 2018
Director
Sell
1,150
$361.28
$415.47K
Michael R Klein
22 Mar 2018
Director
Sell
3,000
$361.61
$1.08M
Scott T Wheeler
5 Mar 2018
Chief Financial Officer
Sell
1,250
$353.69
$442.11K
Michael R Klein
26 Jun 2017
Director
Sell
20,000
$265.01
$5.30M
John W Hill
2 May 2017
Director
Sell
440
$244.52
$107.59K
Matthew Linnington
1 May 2017
Executive VP, Sales
Sell
1,037
$240.00
$248.88K
Scott T Wheeler
1 May 2017
Chief Financial Officer
Sell
757
$240.00
$181.68K
Francis Carchedi
6 Mar 2017
Executive VP, Corp. Dev.
Sell
2,448
$205.30
$502.57K
Andrew C Florance
2 Mar 2017
President and CEO
Sell
26,271
$205.31
$5.39M
Show all 115 transactions →

What was left out

Form 4 filings counted 387
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 27
Sales at will 70
Transactions with no price 0
Shares from compensation/vesting 6,160,711
Sales filed before the plan box existed 42
History held since 26 Oct 2006