Company Insider Tape

CoStar Group Inc insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol CSGP Latest filing 1 Jul 2026

Company Read

Net acquisition

CSGP has 11 stored insider filings. Acquisitions account for 81.8% of classified filings and disposals account for 18.2%. The largest stored filing is $2.4M from FLORANCE, ANDREW C.

Latest filing 1 Jul 2026most recent stored row
Largest filing $2.4Mreported transaction value
Total filings 11stored transaction rows
Acquisition value $2.5M9 acquisitions
Disposal value $179.1K2 disposals
Net value $2.3Macquisitions minus disposals

Filing cadence

Last 12 active months
May 2026 2
Jun 2026 8
Jul 2026 1

Acquisitions 81.8% · Disposals 18.2%

May 2026 $2.5M
Jun 2026 $14.8K
Jul 2026 $164.3K

Executive concentration

By filing count
FLORANCE, ANDREW C Director, President and CEO · 2 filings
LOWN, CHRISTIAN M. Chief Financial Officer · 1 filings
CANN, CYNTHIA CAMMETT Chief Accounting Officer · 1 filings
HILL, JOHN W Director · 1 filings
MCCARTHY, CHRISTINE M Director · 1 filings
MUSSLEWHITE, ROBERT W Director · 1 filings
BERISFORD, JOHN L Director · 1 filings
SAMS, LOUISE S Director · 1 filings

Market Context

CSGP weekly market snapshot

Week 31 Jul 2026
Latest close 28.76 USDstored weekly close
1-week move +4.0%latest weekly bar
13-week move -4.1%medium-term context
Relative Strength -54.0Sharemaestro indicator
Fair value gap -60.1%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for CSGP

Showing 1-11 of 11
Date 1 Jul 2026
Insider LOWN, CHRISTIAN M.Chief Financial Officer
Side Disposal
Shares 5597
Price 29.36
Value 164328
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider BERISFORD, JOHN LDirector
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider BRUNNER, ANGELIQUE G.Director
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider GLASER, RACHEL CDirector
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider HILL, JOHN WDirector
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider MCCARTHY, CHRISTINE MDirector
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider MUSSLEWHITE, ROBERT WDirector
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 23 Jun 2026
Insider SAMS, LOUISE SDirector
Side Acquisition
Shares 8262
Price 0.00
Value 0
Security Common Stock, par value $0.01 per share
Date 15 Jun 2026
Insider CANN, CYNTHIA CAMMETTChief Accounting Officer
Side Disposal
Shares 461
Price 32.04
Value 14770
Security Common Stock, par value $0.01 per share
Date 1 May 2026
Insider FLORANCE, ANDREW CDirector, President and CEO
Side Acquisition
Shares 68330
Price 35.17
Value 2403166
Security Common Stock, par value $0.01 per share
Date 1 May 2026
Insider FLORANCE, ANDREW CDirector, President and CEO
Side Acquisition
Shares 3100
Price 35.82
Value 111042
Security Common Stock, par value $0.01 per share