Updated: May 19, 2026

Michael R Klein

CSGPCOSTAR GROUP, INC.SEC CIK: 0001066062
Estimated Net Worth
$163 Million46.4%vs Last Year
Last Updated: May 19, 2026 11:07 PM EST

Transaction Summary

Total Transactions104
Buy-Sell Ratio2.32
Buy Transactions72
Sell Transactions31

Transaction Volume

Total Volume$104.9M
Net Volume-$88.93M
Buy Volume$7.98M
Sell Volume$96.91M

Trade Analysis

AVG Trade Size$1.01M
Largest Trade$25M
Most Active MonthMay
Most Active Year2009

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Michael R Klein has an estimated net worth of $163 Million. This is based on reported shares across multiple companies, which include Truett-Hurst, Inc., COSTAR GROUP, INC., SRA INTERNATIONAL INC, and TUTOR PERINI CORP.



2013 was Michael R Klein's most active year for acquiring shares with 17 total transactions. Michael R Klein's most active month to acquire stocks was the month of July. 2011 was Michael R Klein's most active year for disposing of shares, totalling 10 transactions. Michael R Klein's most active month to dispose stocks was the month of June. 2011 saw Michael R Klein paying a total of $1,912,410.00 for 160,943 shares, this is the most they've acquired in one year. In 2010 Michael R Klein cashed out on 500,000 shares for a total of $25,000,000.00, their largest year based on trade value.

Holdings & Transactions

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