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CoStar

42.91

+0.01000.02%

Pre-market: 42.63-0.2800-0.65%08:39 EDT

Volume:7.21M

Turnover:308.57M

Market Cap:18.01B

PE:2.56K

High:43.75

Open:43.67

Low:41.79

Close:42.90

52wk High:97.43

52wk Low:41.79

Shares:419.79M

Float Shares:417.99M

Volume Ratio:0.90

T/O Rate:1.72%

Dividend:- -

Dividend Rate:- -

EPS(TTM):0.0168

EPS(LYR):0.0168

ROE:0.09%

ROA:-0.34%

PB:2.16

PE(LYR):2,555.08

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Overview Company News Filings

D. E. Shaw: CoStar's New Reporting Approach Buries the "Poor" Financial Results of Homes.com

THOMSON REUTERS

D. E. Shaw: "Disappointed" in CoStar Board for Segment Reorganization

THOMSON REUTERS

the D. E. Shaw Group Releases Open Letter to the Board of Directors of CoStar Group

THOMSON REUTERS

Top CoStar Insider Makes Bold Move With Fresh Share Purchase

Real Estate Giant CoStar Group Is Under Activist Pressure. Insiders Are Buying Stock. -- Barrons.com

CoStar Group Inc. Stock Rises Thursday, Outperforms Market

A Look At CoStar Group (CSGP) Valuation After CEO’s Recent Insider Share Purchase

Simply Wall St.

Analysts Offer Insights on Real Estate Companies: SmartStop Self Storage REIT, Inc. (SMA), Real Brokerage (REAX) and CoStar Group (CSGP)

CoStar Group Director Rachel C. Glaser Acquires Common Shares

CoStar President of Marketplaces Frederick G. Saint Acquires Common Shares

Analysts Have Conflicting Sentiments on These Real Estate Companies: BXP (BXP) and CoStar Group (CSGP)

CoStar Group (CSGP) Is Down 5.6% After CEO’s Rare Insider Buy And Homes AI Launch – Has The Bull Case Changed?

Simply Wall St.

Top Executive Makes Bold Insider Move at CoStar Group

CoStar Group Inc. Stock Rises Monday, Outperforms Market

CoStar Group CEO buys 55.7K shares of common stock

CoStar CEO Andrew C. Florance Acquires Common Shares

Hilton, Marriott, InterContinental, CoStar Face UK Probe Into Suspected Sensitive Information Sharing

MT Newswires Live

BRIEF-Costar Confirms Its UK Team Is Co-Operating With UK's CMA

CoStar: Confirms Its UK Team Is Co-Operating Fully With UK's Cma on Initial Investigation Into Sharing of Information Among Hotel Operators- Statement

THOMSON REUTERS

UK competition watchdog launches probe into information sharing among hotels

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Shaw: \"Disappointed\" in CoStar Board for Segment Reorganization","url":"https://stock-news.laohu8.com/highlight/detail?id=2618493031","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618493031?lang=en_us&edition=fundamental","pubTime":"2026-03-10 20:00","pubTimestamp":1773144009,"startTime":"0","endTime":"0","summary":null,"market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260310:nTUA8DQPVJ:2","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["IE0004445239.USD","LU0154245673.USD","BK4123","LU0823421416.USD","LU2210150020.SGD","LU0672654240.SGD","LU0154245756.USD","LU0390134368.USD","LU0320765059.SGD","LU0109391861.USD","BK4548","BK4079","BK4585","IE0009356076.USD","LU1267930730.SGD","LU2210149790.SGD","LU0823421333.USD","LU0708995401.HKD","CSGP","BK4588","LU0345774391.USD","LU2095319765.USD","LU0345774631.USD"],"gpt_icon":0},{"id":"2618080937","title":"the D. E. Shaw Group Releases Open Letter to the Board of Directors of CoStar Group","url":"https://stock-news.laohu8.com/highlight/detail?id=2618080937","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618080937?lang=en_us&edition=fundamental","pubTime":"2026-03-10 20:00","pubTimestamp":1773144009,"startTime":"0","endTime":"0","summary":null,"market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260310:nTUA8DQPVJ:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["LU0390134368.USD","LU0154245756.USD","LU0345774631.USD","LU1267930730.SGD","BK4079","LU0708995401.HKD","LU0154245673.USD","BK4548","LU0345774391.USD","LU0109391861.USD","LU0320765059.SGD","LU0672654240.SGD","IE0004445239.USD","BK4585","LU2095319765.USD","LU2210149790.SGD","LU2210150020.SGD","CSGP","LU0823421333.USD","BK4588","BK4123","IE0009356076.USD","LU0823421416.USD"],"gpt_icon":0},{"id":"2618042206","title":"Top CoStar Insider Makes Bold Move With Fresh Share Purchase","url":"https://stock-news.laohu8.com/highlight/detail?id=2618042206","media":"TIPRANKS","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2618042206?lang=en_us&edition=fundamental","pubTime":"2026-03-10 10:13","pubTimestamp":1773108810,"startTime":"0","endTime":"0","summary":"New insider activity at CoStar Group ( ($CSGP) ) has taken place on March 9, 2026. Director Louise S. Sams has demonstrated confidence in CoStar Gr...","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/insider-trading/top-costar-insider-makes-bold-move-with-fresh-share-purchase-insider-trading-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/insider-trading/top-costar-insider-makes-bold-move-with-fresh-share-purchase-insider-trading-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["BK4548","LU0708995401.HKD","LU0154245673.USD","LU0823421333.USD","CSGP","LU0320765059.SGD","LU1267930730.SGD","BK4588","LU0390134368.USD","IE0009356076.USD","BK4079","IE0004445239.USD","LU0672654240.SGD","LU2095319765.USD","LU0823421416.USD","LU2210149790.SGD","LU2210150020.SGD","BK4585","LU0154245756.USD","BK4123","LU0345774391.USD","LU0345774631.USD","LU0109391861.USD"],"gpt_icon":0},{"id":"2617657349","title":"Real Estate Giant CoStar Group Is Under Activist Pressure. Insiders Are Buying Stock. -- Barrons.com","url":"https://stock-news.laohu8.com/highlight/detail?id=2617657349","media":"Dow Jones","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2617657349?lang=en_us&edition=fundamental","pubTime":"2026-03-07 16:30","pubTimestamp":1772872200,"startTime":"0","endTime":"0","summary":"Commercial real-estate giant CoStar Group is embroiled in a battle with two activist investors. All the while, insiders have been buying shares.Board director Rachel Glaser snapped up 1,000 shares for $44.94 apiece on Monday. The purchase brought her direct holdings to 4,157 shares, which were valued at $197,873 based on Wednesday's closing price of $47.60.Fred Saint, the CoStar's president of marketplaces, bought 20,000 shares on March 1. At an average price of $45.33 each, Saint secured around $906,600 worth of stock. His direct holdings came to 279,851 shares following the purchase and a separate transaction to cover tax obligations.The highest-ranking executive to buy company stock was CEO and Founder Andy Florance, who purchased 55,720 shares for $44.52 apiece on Feb. 27. After the transaction, Florance directly held 1,586,866.03 shares worth more than $75 million. The amount includes fractional shares.","market":"other","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://dowjonesnews.com/newdjn/logon.aspx?AL=N","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["IE0009356076.USD","IE0004445239.USD","LU0345774631.USD","LU2095319765.USD","BK4585","LU1267930730.SGD","CSGP","LU0672654240.SGD","LU0823421333.USD","LU0390134368.USD","LU2210150020.SGD","LU0154245756.USD","LU0345774391.USD","BK4548","LU0823421416.USD","BK4588","LU0320765059.SGD","BK4079","BK4123","LU0154245673.USD","LU0708995401.HKD","LU0109391861.USD","LU2210149790.SGD"],"gpt_icon":0},{"id":"2617716571","title":"CoStar Group Inc. Stock Rises Thursday, Outperforms Market","url":"https://stock-news.laohu8.com/highlight/detail?id=2617716571","media":"Dow Jones","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2617716571?lang=en_us&edition=fundamental","pubTime":"2026-03-06 06:09","pubTimestamp":1772748540,"startTime":"0","endTime":"0","summary":"This article was automatically generated by MarketWatch using technology from Automated Insights.Shares of CoStar Group Inc.  rose 2.75% to $48.91 Thursday, on what proved to be an all-around rough trading session for the stock market, with the S&P 500 Index  falling 0.56% to 6,830.71 and Dow Jones Industrial Average  falling 1.61% to 47,954.74.This was the stock's fourth consecutive day of gains.CoStar Group Inc. closed 49.80% below its 52-week high of $97.43, which the company reached on August 5th.Trading volume  remained 983,051 below its 50-day average volume of 6.8 M.Data source: Dow Jones Market Data, FactSet. Data compiled March 5, 2026.This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":["rate"],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://dowjonesnews.com/newdjn/logon.aspx?AL=N","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["CSGP"],"gpt_icon":0},{"id":"2617388563","title":"A Look At CoStar Group (CSGP) Valuation After CEO’s Recent Insider Share Purchase","url":"https://stock-news.laohu8.com/highlight/detail?id=2617388563","media":"Simply Wall St.","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2617388563?lang=en_us&edition=fundamental","pubTime":"2026-03-05 02:31","pubTimestamp":1772649118,"startTime":"0","endTime":"0","summary":"CoStar Group (CSGP) is back in focus after President and CEO Andrew Florance bought 55,720 shares on February 27, 2026, a rare insider purchase following several sales over the past year.\nSee our latest analysis for CoStar Group.\nAt a share price of US$46.78, CoStar Group has a 30 day share price return of 23.94% decline and a 1 year total shareholder return of 38.11% decline, reflecting pressure after earnings, analyst reassessments, and the CMA investigation, with the recent insider buy...","market":"hk","thumbnail":"https://images.simplywall.st/asset/industry/9612012-choice1-main-header/1585186781062","type":0,"news_type":0,"thumbnails":["https://images.simplywall.st/asset/industry/9612012-choice1-main-header/1585186781062"],"rights":{"source":"simplywall_highlight","url":"https://simplywall.st/stocks/us/real-estate-management-and-development/nasdaq-csgp/costar-group/news/a-look-at-costar-group-csgp-valuation-after-ceos-recent-insi","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://simplywall.st/stocks/us/real-estate-management-and-development/nasdaq-csgp/costar-group/news/a-look-at-costar-group-csgp-valuation-after-ceos-recent-insi","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"simplywall_highlight","symbols":["BK4123","LU0823421416.USD","IE0004445239.USD","CSGP","LU0154245756.USD","IE0009356076.USD","LU0109391861.USD","LU0708995401.HKD","LU0672654240.SGD","LU2210149790.SGD","LU2210150020.SGD","LU0320765059.SGD","LU2095319765.USD","LU1267930730.SGD","LU0345774391.USD","LU0390134368.USD","LU0154245673.USD","BK4079","BK4548","BK4588","LU0345774631.USD","BK4585","LU0823421333.USD"],"gpt_icon":0},{"id":"2617563855","title":"Analysts Offer Insights on Real Estate Companies: SmartStop Self Storage REIT, Inc. (SMA), Real Brokerage (REAX) and CoStar Group (CSGP)","url":"https://stock-news.laohu8.com/highlight/detail?id=2617563855","media":"TIPRANKS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2617563855?lang=en_us&edition=fundamental","pubTime":"2026-03-05 02:30","pubTimestamp":1772649005,"startTime":"0","endTime":"0","summary":"There’s a lot to be optimistic about in the Real Estate sector as 3 analysts just weighed in on SmartStop Self Storage REIT, Inc. (SMA – Research R...","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/blurbs/analysts-offer-insights-on-real-estate-companies-smartstop-self-storage-reit-inc-sma-real-brokerage-reax-and-costar-group-csgp-blurbs-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/blurbs/analysts-offer-insights-on-real-estate-companies-smartstop-self-storage-reit-inc-sma-real-brokerage-reax-and-costar-group-csgp-blurbs-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["LU1267930730.SGD","BK4079","LU0823421416.USD","BK4585","LU0345774391.USD","LU2210150020.SGD","BK4588","LU0708995401.HKD","LU0672654240.SGD","LU0320765059.SGD","LU0390134368.USD","LU2210149790.SGD","LU0109391861.USD","BK4548","LU0345774631.USD","BK4123","LU0154245673.USD","REAX","REIT","CSGP","BK4217","SMA","IE0009356076.USD","LU0154245756.USD","LU0823421333.USD","LU2095319765.USD","IE0004445239.USD"],"gpt_icon":0},{"id":"2616377890","title":"CoStar Group Director Rachel C. Glaser Acquires Common Shares","url":"https://stock-news.laohu8.com/highlight/detail?id=2616377890","media":"Reuters","labels":["shareholding","insiderTrades"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616377890?lang=en_us&edition=fundamental","pubTime":"2026-03-04 06:06","pubTimestamp":1772575583,"startTime":"0","endTime":"0","summary":"Rachel C Glaser, a director, reported an acquisition of 1,000 shares of CoStar Group Inc. common stock. The full filing can be accessed through the link below.Disclaimer: This news brief was created by Public Technologies  using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. CoStar Group Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission , on March 03, 2026, and is solely responsible for the information contained therein.","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260303:nNDL7JMsLK:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":"CoStar Group Director Rachel C. Glaser Acquires Common Shares","news_tag":"shareholding,insiderTrades","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["BK4548","BK4585","LU0345774391.USD","IE0009356076.USD","LU0320765059.SGD","LU0154245756.USD","BK4123","LU2095319765.USD","BK4079","LU0823421333.USD","LU0672654240.SGD","LU2210150020.SGD","LU0154245673.USD","LU0109391861.USD","LU0823421416.USD","BK4588","LU0345774631.USD","IE0004445239.USD","CSGP","LU1267930730.SGD","LU0390134368.USD","LU0708995401.HKD","LU2210149790.SGD"],"gpt_icon":0},{"id":"2616372294","title":"CoStar President of Marketplaces Frederick G. Saint Acquires Common Shares","url":"https://stock-news.laohu8.com/highlight/detail?id=2616372294","media":"Reuters","labels":["shareholding","insiderTrades"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616372294?lang=en_us&edition=fundamental","pubTime":"2026-03-04 06:00","pubTimestamp":1772575231,"startTime":"0","endTime":"0","summary":"Frederick G. Saint, President, Marketplaces, reported an acquisition of common shares of CoStar Group Inc. The full filing can be accessed through the link below.Disclaimer: This news brief was created by Public Technologies  using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. CoStar Group Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission , on March 03, 2026, and is solely responsible for the information contained therein.","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260303:nNDL3ncvB2:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":"CoStar President of Marketplaces Frederick G. Saint Acquires Common Shares","news_tag":"shareholding,insiderTrades","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["LU1267930730.SGD","BK4079","LU0823421416.USD","BK4585","LU0345774391.USD","LU2210150020.SGD","BK4588","LU0708995401.HKD","LU0672654240.SGD","LU0320765059.SGD","LU0390134368.USD","LU2210149790.SGD","LU0109391861.USD","BK4548","LU0345774631.USD","BK4123","LU0154245673.USD","CSGP","IE0009356076.USD","LU0154245756.USD","LU0823421333.USD","LU2095319765.USD","IE0004445239.USD"],"gpt_icon":0},{"id":"2616206193","title":"Analysts Have Conflicting Sentiments on These Real Estate Companies: BXP (BXP) and CoStar Group (CSGP)","url":"https://stock-news.laohu8.com/highlight/detail?id=2616206193","media":"TIPRANKS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616206193?lang=en_us&edition=fundamental","pubTime":"2026-03-04 01:00","pubTimestamp":1772557226,"startTime":"0","endTime":"0","summary":"Analysts have been eager to weigh in on the Real Estate sector with new ratings on BXP (BXP – Research Report) and CoStar Group (CSGP – Research Re...","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/blurbs/analysts-have-conflicting-sentiments-on-these-real-estate-companies-bxp-bxp-and-costar-group-csgp-blurbs-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/blurbs/analysts-have-conflicting-sentiments-on-these-real-estate-companies-bxp-bxp-and-costar-group-csgp-blurbs-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["LU2095319765.USD","IE0009356076.USD","LU0154245673.USD","BK4585","LU1267930730.SGD","BK4123","LU0320765059.SGD","LU0823421333.USD","IE0004445239.USD","LU0390134368.USD","BK4079","BK4223","LU0109391861.USD","BXP","LU0154245756.USD","BK4194","LU0823421416.USD","LU2210150020.SGD","BK4588","LU0672654240.SGD","LU2210149790.SGD","LU0708995401.HKD","LU0345774391.USD","LU0345774631.USD","BK4548","CSGP"],"gpt_icon":0},{"id":"2616296103","title":"CoStar Group (CSGP) Is Down 5.6% After CEO’s Rare Insider Buy And Homes AI Launch – Has The Bull Case Changed?","url":"https://stock-news.laohu8.com/highlight/detail?id=2616296103","media":"Simply Wall St.","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616296103?lang=en_us&edition=fundamental","pubTime":"2026-03-03 22:22","pubTimestamp":1772547722,"startTime":"0","endTime":"0","summary":"CoStar Group reported fourth-quarter 2025 revenue of US$900 million, up from US$709 million a year earlier, while net income declined to US$47 million from US$60 million, and it concurrently rolled out Homes AI, a Microsoft Azure OpenAI-powered, conversational home-search experience on Homes.com.\nAmid mixed analyst reactions to recent earnings and guidance, President and CEO Andrew Florance’s purchase of 55,720 shares stands out as a rare insider buy after a year dominated by insider...","market":"us","thumbnail":"https://images.simplywall.st/asset/industry/9612012-choice1-main-header/1585186781062","type":0,"news_type":0,"thumbnails":["https://images.simplywall.st/asset/industry/9612012-choice1-main-header/1585186781062"],"rights":{"source":"simplywall_highlight","url":"https://simplywall.st/stocks/us/real-estate-management-and-development/nasdaq-csgp/costar-group/news/costar-group-csgp-is-down-56-after-ceos-rare-insider-buy-and","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://simplywall.st/stocks/us/real-estate-management-and-development/nasdaq-csgp/costar-group/news/costar-group-csgp-is-down-56-after-ceos-rare-insider-buy-and","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"simplywall_highlight","symbols":["LU0390134368.USD","LU0154245756.USD","BK4528","LU0345774631.USD","BK4587","BK4079","LU1267930730.SGD","LU0708995401.HKD","LU0154245673.USD","BK4548","LU0345774391.USD","LU0109391861.USD","AIYY","BK4551","LU0320765059.SGD","BK4023","LU0672654240.SGD","IE0004445239.USD","BK4585","LU2095319765.USD","LU2210149790.SGD","BK4543","LU2210150020.SGD","CSGP","LU0823421333.USD","BK4588","BK4123","IE0009356076.USD","LU0823421416.USD"],"gpt_icon":1},{"id":"2616308399","title":"Top Executive Makes Bold Insider Move at CoStar Group","url":"https://stock-news.laohu8.com/highlight/detail?id=2616308399","media":"TIPRANKS","labels":["executive"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616308399?lang=en_us&edition=fundamental","pubTime":"2026-03-03 10:07","pubTimestamp":1772503660,"startTime":"0","endTime":"0","summary":"New insider activity at CoStar Group ( ($CSGP) ) has taken place on March 2, 2026. CoStar Group’s President and CEO, Andrew Florance, has significa...","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/insider-trading/top-executive-makes-bold-insider-move-at-costar-group-insider-trading-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/insider-trading/top-executive-makes-bold-insider-move-at-costar-group-insider-trading-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"executive","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["BK4588","IE0004445239.USD","LU1267930730.SGD","LU0320765059.SGD","LU0672654240.SGD","LU0823421333.USD","LU0823421416.USD","BK4123","IE0009356076.USD","LU2210150020.SGD","LU2095319765.USD","BK4548","BK4585","CSGP","LU0390134368.USD","BK4079","LU0708995401.HKD","LU0154245673.USD","LU0345774391.USD","LU0154245756.USD","LU0109391861.USD","LU0345774631.USD","LU2210149790.SGD"],"gpt_icon":0},{"id":"2616364311","title":"CoStar Group Inc. Stock Rises Monday, Outperforms Market","url":"https://stock-news.laohu8.com/highlight/detail?id=2616364311","media":"Dow Jones","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616364311?lang=en_us&edition=fundamental","pubTime":"2026-03-03 06:08","pubTimestamp":1772489280,"startTime":"0","endTime":"0","summary":"This article was automatically generated by MarketWatch using technology from Automated Insights.Shares of CoStar Group Inc.  rallied 1.21% to $45.17 Monday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index  rising 0.04% to 6,881.62 and the Dow Jones Industrial Average  falling 0.15% to 48,904.78.CoStar Group Inc. closed 53.64% short of its 52-week high of $97.43, which the company achieved on August 5th.Trading volume  remained 458,591 below its 50-day average volume of 6.8 M.Data source: Dow Jones Market Data, FactSet. Data compiled March 2, 2026.This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":["rate"],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://dowjonesnews.com/newdjn/logon.aspx?AL=N","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["CSGP"],"gpt_icon":0},{"id":"2616699653","title":"CoStar Group CEO buys 55.7K shares of common stock","url":"https://stock-news.laohu8.com/highlight/detail?id=2616699653","media":"TIPRANKS","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616699653?lang=en_us&edition=fundamental","pubTime":"2026-03-03 05:13","pubTimestamp":1772486012,"startTime":"0","endTime":"0","summary":"In a regulatory filing, CoStar Group (CSGP) disclosed that its CEO Andrew Florance bought 55.7K share of common stock on February 27th in a total t...","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tipranks_highlight","url":"https://www.tipranks.com/news/the-fly/costar-group-ceo-buys-55-7k-shares-of-common-stock-thefly-news?utm_source=itigerup.com&utm_medium=referral","rn_cache_url":null,"directOrigin":true},"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tipranks.com/news/the-fly/costar-group-ceo-buys-55-7k-shares-of-common-stock-thefly-news?utm_source=itigerup.com&utm_medium=referral","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"tipranks_highlight","symbols":["IE0004445239.USD","LU0154245673.USD","BK4123","LU0823421416.USD","LU2210150020.SGD","LU0672654240.SGD","LU0154245756.USD","LU0390134368.USD","LU0320765059.SGD","LU0109391861.USD","BK4548","BK4079","BK4585","IE0009356076.USD","LU1267930730.SGD","LU2210149790.SGD","LU0823421333.USD","LU0708995401.HKD","CSGP","BK4588","LU0345774391.USD","LU2095319765.USD","LU0345774631.USD"],"gpt_icon":0},{"id":"2616666693","title":"CoStar CEO Andrew C. Florance Acquires Common Shares","url":"https://stock-news.laohu8.com/highlight/detail?id=2616666693","media":"Reuters","labels":["shareholding","insiderTrades"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616666693?lang=en_us&edition=fundamental","pubTime":"2026-03-03 05:01","pubTimestamp":1772485314,"startTime":"0","endTime":"0","summary":"Andrew C. Florance, President and CEO of CoStar Group Inc., reported an acquisition of common shares of the company. The full filing can be accessed through the link below.Disclaimer: This news brief was created by Public Technologies  using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. CoStar Group Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission , on March 02, 2026, and is solely responsible for the information contained therein.","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260302:nNDL1RN0Y0:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":"CoStar CEO Andrew C. Florance Acquires Common Shares","news_tag":"shareholding,insiderTrades","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["LU0345774391.USD","LU0672654240.SGD","LU2210149790.SGD","LU0345774631.USD","BK4079","CSGP","IE0009356076.USD","LU2095319765.USD","LU0390134368.USD","LU0823421333.USD","LU0823421416.USD","LU0320765059.SGD","LU0708995401.HKD","IE0004445239.USD","BK4123","LU1267930730.SGD","LU0154245756.USD","BK4588","BK4548","LU2210150020.SGD","BK4585","LU0109391861.USD","LU0154245673.USD"],"gpt_icon":0},{"id":"2616633613","title":"Hilton, Marriott, InterContinental, CoStar Face UK Probe Into Suspected Sensitive Information Sharing","url":"https://stock-news.laohu8.com/highlight/detail?id=2616633613","media":"MT Newswires Live","labels":["policyRegulatory"],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616633613?lang=en_us&edition=fundamental","pubTime":"2026-03-02 18:24","pubTimestamp":1772447084,"startTime":"0","endTime":"0","summary":"Hilton , InterContinental Hotels Group , and Marriott International  are under investigation by the UK Competition and Markets Authority over suspected sharing of sensitive commercial information through the hotel analytics platform STR, owned by CoStar Group , the regulator said Monday.CoStar is also facing the investigation, according to the CMA.\"When rival businesses share competitively sensitive information -- including through a third-party data analytics provider -- this reduces the uncertainty competing businesses normally have about how each other will act,\" the CMA said. \"This can affect how strongly companies compete because it makes it easier for them to predict what each other will do and coordinate their behavior.\"Hilton, InterContinental, Marriott and CoStar didn't immediately respond to MT Newswires' requests for comment.","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.mtnewswires.com/","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"policyRegulatory","news_rank":0,"length":0,"strategy_id":0,"source":"mtnewswires_news","symbols":["LU0109391861.USD","III","LU0154245756.USD","LU2404859741.USD","HLT","IE0009356076.USD","BK4566","IE00B0T0GQ85.USD","LU0061475181.USD","IE0004445239.USD","LU0690374961.EUR","LU0823421416.USD","LU0708995401.HKD","IE00B1G9WX41.USD","LU2404859667.USD","LU0345774391.USD","LU0320765059.SGD","GB00B4QBRK32.GBP","CSGP","LU0170899867.USD","IHG","LU0390134368.USD","LU2210149790.SGD","BK4585","LU1718418525.SGD","MAR.AU","LU0345774631.USD","LU2764263203.CNY","IE00B45NX917.SGD","BK4079","LU0823411888.USD","BK4142","LU2764262908.HKD","GB00B4LPDJ14.GBP","BK4588","IE00BD0PCF45.HKD","LU2095319765.USD","LU2764263039.SGD","LU0823421333.USD","LU0672654240.SGD","BK4134","IE00B95QR487.USD","BK4548","LU0154245673.USD","MAR","BK4123","LU2720916845.USD","LU0690374615.EUR","LU1267930730.SGD","LU2210150020.SGD"],"gpt_icon":0},{"id":"2616386289","title":"BRIEF-Costar Confirms Its UK Team Is Co-Operating With UK's CMA","url":"https://stock-news.laohu8.com/highlight/detail?id=2616386289","media":"Reuters","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616386289?lang=en_us&edition=fundamental","pubTime":"2026-03-02 15:52","pubTimestamp":1772437970,"startTime":"0","endTime":"0","summary":"BRIEF-Costar Confirms Its UK Team Is Co-Operating With UK's CMAMarch 2  - CoStar Group Inc CSGP.O:COSTAR: CONFIRMS ITS UK TEAM IS CO-OPERATING FULLY WITH UK'S CMA ON INITIAL INVESTIGATION INTO SHARING OF INFORMATION AMONG HOTEL OPERATORS- STATEMENTFurther company coverage: CSGP.O ","market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260302:nFWN3ZO02L:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":null,"symbols":["LU0109391861.USD","LU0320765059.SGD","BK4588","LU0154245673.USD","BK4123","IE0009356076.USD","CSGP","LU0345774631.USD","LU0823421333.USD","LU0390134368.USD","BK4548","LU0823421416.USD","LU0672654240.SGD","LU2210149790.SGD","LU0154245756.USD","BK4079","BK4585","LU0708995401.HKD","LU2210150020.SGD","IE0004445239.USD","LU2095319765.USD","LU1267930730.SGD","LU0345774391.USD"],"gpt_icon":0},{"id":"2616385020","title":"CoStar: Confirms Its UK Team Is Co-Operating Fully With UK's Cma on Initial Investigation Into Sharing of Information Among Hotel Operators- Statement","url":"https://stock-news.laohu8.com/highlight/detail?id=2616385020","media":"THOMSON REUTERS","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616385020?lang=en_us&edition=fundamental","pubTime":"2026-03-02 15:38","pubTimestamp":1772437134,"startTime":"0","endTime":"0","summary":null,"market":"nz","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"en","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://api.refinitiv.com/data/news/v1/stories/urn:newsml:reuters.com:20260302:nFWN3ZO02L:1","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"0","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"reuters_en_live","symbols":["BK4588","LU0109391861.USD","LU0345774391.USD","LU0672654240.SGD","LU0345774631.USD","LU1267930730.SGD","LU0390134368.USD","BK4123","IE0009356076.USD","CSGP","LU2210150020.SGD","LU2095319765.USD","LU0154245673.USD","LU0823421416.USD","LU0154245756.USD","LU0708995401.HKD","BK4548","BK4079","IE0004445239.USD","LU0823421333.USD","LU0320765059.SGD","LU2210149790.SGD","BK4585"],"gpt_icon":0},{"id":"2616238314","title":"UK competition watchdog launches probe into information sharing among hotels","url":"https://stock-news.laohu8.com/highlight/detail?id=2616238314","media":"Reuters","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2616238314?lang=en_us&edition=fundamental","pubTime":"2026-03-02 15:10","pubTimestamp":1772435442,"startTime":"0","endTime":"0","summary":"UK competition watchdog launches probe into information sharing among hotelsMarch 2  - UK's competition regulator on Monday said it was probing whether hotel chains Hilton HLT.N, InterContinental Hotels IHG.L and Marriott MAR.O were sharing competitively sensitive information via CoStar's CSGP.O hotel data analytics tool. The Competition and Markets Authority said all four firms were under investigation.   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