CoStar Group, Inc.

CSGP · Real Estate · CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the…

CoStar Group, Inc. (CSGP), in the Real Estate sector, has 16 disclosed filings on Paydirt over the trailing twelve months from 2 members of Congress and 4 corporate insiders: 10 purchases and 6 sales, 1 filed past the deadline. Filers took a median of 10 days from execution to disclosure, and the most recent trade was executed Aug 19 and filed Sep 10. The most active filer was Gilbert Cisneros with 9 filings.

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Filings, ttm

10 buys · 6 sells · 1 late

Traders, ttm

2 congress · 4 insiders

Volume, ttmiDollar value disclosed in the window

$9.0M

estimated for Congress, as filed for insiders

Median delay

10d

execution to disclosure

Last traded

Aug 19

Filed Sep 10

ADViAverage daily dollar volume

$244.8M

market data

Share price · 12M

$29.30 (-66.1%)

Adjusted for splits and dividends.

Volume by month

Buys $9.7M Sells $13.8M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed

Gilbert Cisneros Representative 9 filings CC Cynthia Cammett Cann Chief Accounting Officer 4 filings AF Andrew C Florance President and CEO 4 filings FS Frederick G. Saint President, Marketplaces 4 filings JH John W Hill Director 3 filings JS

Jefferson Shreve Representative 2 filings LM

Lisa McClain Representative (Spouse) 2 filings JJ

Julie Johnson Representative (Joint) 1 filing

Recent filings

Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Aug 19
Filed Sep 10 Cynthia Cammett CannSALE Chief Accounting Officer $147K
4,788 sh × $30.78
Exec Aug 7
Filed Aug 10 · 4:06 PM ET John W HillSALE Director $106K
3,500 sh × $30.21
Exec Aug 5
Filed Aug 10 · 4:06 PM ET † Andrew C FlorancePURCHASE Founder and CEO $2.5M
83,300 sh × $29.89
Exec Aug 4
Filed Aug 5 · 9:27 AM ET Gilbert CisnerosSALE Representative $8K
$1K–15K bracket
Exec Apr 14
Filed May 8 Andrew C FlorancePURCHASE President and CEO $2.5M
71,430 sh across 2 lots
Exec May 1
Filed May 4 · 6:01 AM ET Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Mar 13
Filed Apr 7 Frederick G. SaintPURCHASE President, Marketplaces $907K
20,000 sh × $45.33
Exec Mar 2
Filed Mar 3 · 4:09 PM ET Andrew C FlorancePURCHASE President and CEO $2.5M
55,720 sh × $44.52
Exec Feb 27
Filed Mar 2 · 4:00 PM ET Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Jan 28
Filed Feb 13 Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Dec 10 2025
Filed Jan 12 Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Oct 15 2025
Filed Nov 18 2025 Cynthia Cammett CannSALE Chief Accounting Officer $127K
1,841 sh × $68.79
Exec Nov 13 2025
Filed Nov 17 2025 · 5:30 PM ET John W HillSALE Director $155K
2,250 sh × $68.68
Exec Nov 13 2025
Filed Nov 17 2025 · 5:30 PM ET Lisa McClainSALE Representative (Spouse) $8K
$1K–15K bracket
Exec Sep 25 2025
Filed Oct 22 2025 Gilbert CisnerosPURCHASE Representative $16K
2 lots · $2K–30K bracket
Exec Sep 22 2025
Filed Oct 10 2025 Lisa McClainPURCHASE Representative (Spouse) $8K
$1K–15K bracket
Exec Aug 13 2025
Filed Sep 12 2025 Frederick G. SaintSALE President, Marketplaces $2.3M
25,000 sh × $90.33
Exec Aug 28 2025
Filed Sep 2 2025 · 5:30 PM ET Gilbert CisnerosPURCHASE Representative $16K
2 lots · $2K–30K bracket
Exec Jul 9 2025
Filed Aug 14 2025 Cynthia Cammett CannSALE Chief Accounting Officer $189K
2,033 sh × $92.85
Exec Jul 28 2025
Filed Jul 29 2025 · 5:30 PM ET Frederick G. SaintSALE President, Marketplaces $2.3M
25,000 sh × $93.23
Exec Jul 28 2025
Filed Jul 29 2025 · 5:30 PM ET Gilbert CisnerosPURCHASE Representative $49K
3 lots · $17K–80K bracket
Exec Jun 25 2025
Filed Jul 10 2025 Jefferson ShreveSALE Representative $33K
$15K–50K bracket
Exec May 12 2025
Filed Jun 22 2025 Frederick G. SaintSALE President, Marketplaces $2.0M
25,000 sh × $81.10
Exec Jun 11 2025
Filed Jun 12 2025 · 5:30 PM ET Rob BresnahanSALE Representative $8K
$1K–15K bracket
Exec May 15 2025
Filed May 31 2025