CoStar Group, Inc. (NASDAQ:CSGP) Directors Insider Transactions



The Directors and Chief Executives of CoStar Group, Inc. (NASDAQ:CSGP) are required by law to report any insider transaction activities i.e. buying, selling, option exercising the CoStar Group, Inc.'s shares in the stock market. Below table shows the list of insider transactions as reported by CoStar Group, Inc. to the NASDAQ stock exchange.

An insider trade occurs when an individual (such as a CEO, CFO or COO) that has non-public information about a company buys or sells shares of that company's stock. Tracking a company's insider trades is a metric that can be used to identify the direction that the company's executives believes that the company is headed. For example, if a number of insiders purchase more shares of a company, they may believe that the company will have strong future earnings and that the share price will increase in the near future.

CoStar Group, Inc. Directors/Insider Transactions Activity

List of Insider trades activity from CoStar Group, Inc. (CSGP).

Date Director Director's Title Shares Value Note
10 Mar 2026 DESMARAIS MICHAEL J Officer 17,676 0 Stock Award(Grant) at price 0.00 per share.
10 Mar 2026 LOWN CHRISTIAN M Chief Financial Officer 12,268 0 Stock Award(Grant) at price 0.00 per share.
10 Mar 2026 BOXER GENE General Counsel 21,920 0 Stock Award(Grant) at price 0.00 per share.
10 Mar 2026 FLORANCE ANDREW COLDEN Chief Executive Officer 124,162 0 Stock Award(Grant) at price 0.00 per share.
10 Mar 2026 CANN CYNTHIA CAMMETT Officer 4,374 0 Stock Award(Grant) at price 0.00 per share.
06 Mar 2026 SAMS LOUISE S. Director 1,000 48,360 Purchase at price 48.36 per share.
02 Mar 2026 GLASER RACHEL C Director 1,000 44,940 Purchase at price 44.94 per share.
02 Mar 2026 SAINT FREDERICK G Officer 20,000 906,600 Purchase at price 45.33 per share.
27 Feb 2026 FLORANCE ANDREW COLDEN Chief Executive Officer 55,720 2,480,654 Purchase at price 44.52 per share.
13 Nov 2025 HILL JOHN W Director 2,250 154,530 Sale at price 68.68 per share.
13 Nov 2025 CANN CYNTHIA CAMMETT Officer 1,841 126,642 Sale at price 68.79 per share.
09 Sep 2025 MCCARTHY CHRISTINE M. Director 2,973 0 Stock Award(Grant) at price 0.00 per share.
09 Sep 2025 MUSSLEWHITE ROBERT W Director 3,121 0 Stock Award(Grant) at price 0.00 per share.
09 Sep 2025 GLASER RACHEL C Director 3,143 0 Stock Award(Grant) at price 0.00 per share.
09 Sep 2025 BRUNNER ANGELIQUE G Director 3,143 0 Stock Award(Grant) at price 0.00 per share.
09 Sep 2025 SAMS LOUISE S. Director 3,291 0 Stock Award(Grant) at price 0.00 per share.
09 Sep 2025 HILL JOHN W Director 3,177 0 Stock Award(Grant) at price 0.00 per share.
09 Sep 2025 BERISFORD JOHN L Director 2,973 0 Stock Award(Grant) at price 0.00 per share.
28 Aug 2025 SAINT FREDERICK G Officer 25,000 2,258,250 Sale at price 90.33 per share.
28 Jul 2025 CANN CYNTHIA CAMMETT Officer 2,033 188,764 Sale at price 92.85 per share.
28 Jul 2025 SAINT FREDERICK G Officer 25,000 2,330,750 Sale at price 93.23 per share.
11 Jun 2025 SAINT FREDERICK G Officer 25,000 2,027,500 Sale at price 81.10 per share.
10 Mar 2025 CANN CYNTHIA CAMMETT Officer 4,259 334,259 Sale at price 76.85 - 79.90 per share.
05 Mar 2025 BOXER GENE General Counsel 12,492 0 Stock Award(Grant) at price 0.00 per share.
05 Mar 2025 DESMARAIS MICHAEL J Officer 9,026 0 Stock Award(Grant) at price 0.00 per share.
05 Mar 2025 FLORANCE ANDREW COLDEN Chief Executive Officer 76,232 0 Stock Award(Grant) at price 0.00 per share.
05 Mar 2025 CANN CYNTHIA CAMMETT Officer 1,498 0 Stock Award(Grant) at price 0.00 per share.
27 Feb 2025 BOXER GENE General Counsel 26,897 0 Stock Award(Grant) at price 0.00 per share.
27 Feb 2025 DESMARAIS MICHAEL J Officer 18,828 0 Stock Award(Grant) at price 0.00 per share.
27 Feb 2025 CANN CYNTHIA CAMMETT Officer 4,035 0 Stock Award(Grant) at price 0.00 per share.
20 Feb 2025 SIMURO FRANK A. Chief Technology Officer 130,640 0 Stock Award(Grant) at price 0.00 per share.
20 Feb 2025 SAINT FREDERICK G Officer 97,600 0 Stock Award(Grant) at price 0.00 per share.
20 Feb 2025 LOWN CHRISTIAN M Chief Financial Officer 97,600 0 Stock Award(Grant) at price 0.00 per share.
20 Feb 2025 RUGGLES LISA C. Officer 65,440 0 Stock Award(Grant) at price 0.00 per share.
20 Feb 2025 FLORANCE ANDREW COLDEN Chief Executive Officer 451,440 0 Stock Award(Grant) at price 0.00 per share.
10 Dec 2024 KLEIN MICHAEL R Director 64,909 0 Stock Gift at price 0.00 per share.
10 Dec 2024 HILL JOHN W Director 195 0 Stock Gift at price 0.00 per share.
10 Dec 2024 HILL JOHN W Director 2,735 209,939 Sale at price 76.76 per share.
27 Nov 2024 NASSETTA CHRISTOPHER J Director 1,681 135,136 Sale at price 80.39 per share.
26 Nov 2024 DESMARAIS MICHAEL J Officer 5,500 439,340 Sale at price 79.88 per share.
25 Oct 2024 KLEIN MICHAEL R Director 5,872 0 Stock Gift at price 0.00 per share.
25 Oct 2024 KLEIN MICHAEL R Director 71,633 5,350,269 Sale at price 74.69 per share.
25 Oct 2024 FLORANCE ANDREW COLDEN Chief Executive Officer 14,731 1,099,966 Purchase at price 74.67 per share.
30 Jul 2024 HILL JOHN W Director 1,325 103,562 Sale at price 78.16 per share.
26 Jul 2024 KLEIN MICHAEL R Director 16,500 0 Stock Gift at price 0.00 per share.
26 Jul 2024 SAINT FREDERICK G Officer 12,738 0 Stock Award(Grant) at price 0.00 per share.
26 Jul 2024 CANN CYNTHIA CAMMETT Officer 9,553 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 NASSETTA CHRISTOPHER J Director 3,781 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 KLEIN MICHAEL R Director 3,781 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 MUSSLEWHITE ROBERT W Director 3,293 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 KAPLAN LAURA COX Director 3,452 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 BRUNNER ANGELIQUE G Director 3,491 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 SAMS LOUISE S. Director 3,491 0 Stock Award(Grant) at price 0.00 per share.
17 Jul 2024 HILL JOHN W Director 3,689 0 Stock Award(Grant) at price 0.00 per share.
01 Jul 2024 LOWN CHRISTIAN M Chief Financial Officer 33,839 0 Stock Award(Grant) at price 0.00 per share.
01 Jul 2024 LOWN CHRISTIAN M Chief Financial Officer 37,223 0 Stock Award(Grant) at price 0.00 per share.
16 May 2024 SAINT FREDERICK G Officer 2,500 221,075 Sale at price 88.43 per share.
09 May 2024 RUGGLES LISA C. Officer 20,000 1,823,000 Sale at price 91.15 per share.
07 May 2024 NASSETTA CHRISTOPHER J Director 46,000 0 Stock Gift at price 0.00 per share.
26 Apr 2024 WHEELER SCOTT T Chief Financial Officer 122,736 11,366,581 Sale at price 92.61 per share.
26 Apr 2024 DESMARAIS MICHAEL J Officer 3,800 352,146 Sale at price 92.67 per share.
26 Apr 2024 WHEELER SCOTT T Chief Financial Officer 122,736 7,121,813 Conversion of Exercise of derivative security at price 39.82 - 76.78 per share.