NASDAQ NMS - GLOBAL MARKET · CSGP
-1.51% · -$0.4550 · Vol 1.5M
Costar Group Inc

Costar Group Inc

Real Estate
$29.66
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About Costar Group Inc
SERVICES-BUSINESS SERVICES, NEC
Listed since
1998
Employees
8K
Country
US

CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.

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Key statistics

Reported fields plus Veridion-computed history. Unsourced tiles are omitted.

Open
$30.05
Day high
$31.04
Day low
$29.57
Previous close
$30.12
52W high
$34.23
-13.34% from high
52W low
$29.57
2% of range
Market cap
$12.3B
P/E
495.95×
EPS
$0.1100
Shares out
408.4M
Volume
1.5M
VWAP
$30.18
Price history computed in-house
1W
-7.21%
SMA 50 $31.81 · below
SMA 200 $31.81 · below
52W position 2%
Veridion warehouse edge

Warehouse intelligence for CSGP.

Veridion Score
51
0: 681: 432: 323: 504: 775: Not reported
Congress 30d
1
Ro Khanna · Purchase
Insider activity
See Form 4 panel below.
13F holders
None on file
Capital Web snapshots checked.
Disclosure-sourced lobbying and contract detail remains attributed in the full panels below.
Data ledger
Quote and day range
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Source: Market data
Veridion Score
Coverage building
Source: Veridion methodology
Chart and risk context
Daily bars with no missing-bar fill
Source: Market data
News and filings
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Financials
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SEC Form 4 ledger

CSGP insider activity

Costar Group Inc

Score
Coverage building
Pressure
Net selling
Filings
37
Buys / sells
6 / 31
Net value
-$8.4M
Insiders
11
Named filers
CC
Cann Cynthia Cammett
Insider
Leadership
FC
FLORANCE ANDREW C
Insider
Leadership
BG
Boxer Gene
Insider
Leadership
Cluster

No multi-insider buying cluster in the last 90 days

Net pressure

Net selling: -$8.4M across loaded Form 4 rows.

Convergence not established

Loaded official disclosures do not show all three sources aligned on this ticker.

Filing dateTrade dateInsiderTitleTypePriceQtyOwnedValueReceipt
2026-06-162026-06-15Cann Cynthia CammettInsidersell$32.0446124,687$15KSEC Form 4
2026-05-042026-05-01FLORANCE ANDREW CInsiderbuy$35.823,1001,722,865$111KSEC Form 4
2026-05-042026-05-01FLORANCE ANDREW CInsiderbuy$35.1768,3301,719,765$2.4MSEC Form 4
2026-03-172026-03-15Boxer GeneInsidersell$43.6348295,463$21KSEC Form 4
2026-03-172026-03-15SIMURO FRANKInsidersell$43.6311,107414,491$485KSEC Form 4
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Source: SEC EDGAR Form 4. Rows with missing price or quantity are excluded rather than zero-filled.Methodology
Congress · 90D
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Federal contracts

CSGP contract awards, year to date.

Public federal awards linked to this ticker.

Not disclosed
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Lobbying spend

CSGP lobbying filings, year to date.

Registered lobbying filings matched to Costar Group Inc.

$240.0K
Refresh interval: 12hSource: LDA disclosure filings
Real Estate/Land Use/Conservation
Filing
$60.0K
COSTAR GROUP

POLARIS GOVERNMENT RELATIONS, LLC

Apr 17, 2026
Filing
$60.0K
COSTAR GROUP INC.

PENN AVENUE PARTNERS

Apr 2, 2026
Filing
$60.0K
COSTAR GROUP

POLARIS GOVERNMENT RELATIONS, LLC

Jan 16, 2026
Latest news · CSGP
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