Costar Group Insider Trades

CSGP

Track insider trading activity from Costar Group executives and directors. See which insiders are buying and selling CSGP stock.

Trades Last 12 Months

CSGP Price

All Insider Trades for Costar Group

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Sams Louise S Director
Holding Value $794k 28,671 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Glaser Rachel C Director
Holding Value $344k 12,419 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Holding Value $735k 26,539 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Hill John W Director
Holding Value $733k 26,493 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Holding Value $510k 18,428 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Holding Value $321k 11,585 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Berisford John L Director
Holding Value $311k 11,235 shares
Last Trade
Jun 23, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$250k 8,262 shares
$30.26
$27.68
Cann Cynthia Cammett Chief Accounting Officer
Holding Value $683k 24,687 shares
Last Trade
Jun 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$14.8k 461 shares
$32.04
$27.68
Florance Andrew C President And CEO
Holding Value $47.7M 1,722,865 shares
Last Trade
May 01, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$111k 3,100 shares
$35.82
$27.68
Ruggles Lisa Senior Vp, Global Operations
Holding Value $4.84M 174,915 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$130k 2,977 shares
$43.63
$27.68
Boxer Gene General Counsel And Secretary
Holding Value $2.64M 95,463 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$39.7k 910 shares
$43.63
$27.68
Simuro Frank Chief Technology Officer
Holding Value $11.5M 414,491 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$485k 11,107 shares
$43.63
$27.68
Desmarais Michael J Chief Human Resources Officer
Holding Value $2.43M 87,725 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$125k 2,873 shares
$43.63
$27.68
Lown Christian M. Chief Financial Officer
Holding Value $3.74M 135,250 shares
Last Trade
Mar 10, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$568k 12,268 shares
$46.34
$27.68
Saint Frederick G. President, Marketplaces
Holding Value $7.75M 279,851 shares
Last Trade
Mar 02, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$907k 20,000 shares
$45.33
$27.68
Berisford John L Director
Holding Value $82.3k 2,973 shares
Last Trade
Sep 09, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$262k 2,973 shares
$88.14
$27.68
Holding Value $82.3k 2,973 shares
Last Trade
Sep 09, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$262k 2,973 shares
$88.14
$27.68
Klein Michael R Director
Holding Value $51.2M 1,848,592 shares
Last Trade
Dec 10, 2024 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$4.96M 64,909 shares
$76.43
$27.68
Holding Value $6.36M 229,715 shares
Last Trade
Nov 27, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$135k 1,681 shares
$80.39
$27.68
Kaplan Laura Cox Director
Holding Value $494k 17,835 shares
Last Trade
Jul 17, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$262k 3,452 shares
$75.92
$27.68

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