William R Thomas - Net Worth and Insider Trading
William R Thomas Net Worth
The estimated net worth of William R Thomas is at least $31 Million dollars as of 2025-07-22. William R Thomas is the Director of Capital Southwest Corp and owns about 1,367,900 shares of Capital Southwest Corp (CSWC) stock worth over $31 Million. Details can be seen in William R Thomas's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that William R Thomas has not made any transactions after 2007-08-17 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of William R Thomas
William R Thomas Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, William R Thomas owns 2 companies in total, including Capital Southwest Corp (CSWC) , and Alamo Group Inc (ALG) .
Click here to see the complete history of William R Thomas’s form 4 insider trades.
Insider Ownership Summary of William R Thomas
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
CSWC | Capital Southwest Corp | 2007-08-17 | director & 10 percent owner & President & Chairman |
ALG | Alamo Group Inc | 2005-05-04 | director |
William R Thomas Latest Holdings Summary
William R Thomas currently owns a total of 1 stock. William R Thomas owns 1,367,900 shares of Capital Southwest Corp (CSWC) as of August 17, 2007, with a value of $31 Million.
Latest Holdings of William R Thomas
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
CSWC | Capital Southwest Corp | 2007-08-17 | 1,367,900 | 22.97 | 31,419,705 |
Holding Weightings of William R Thomas
William R Thomas Form 4 Trading Tracker
According to the SEC Form 4 filings, William R Thomas has made a total of 0 transactions in Capital Southwest Corp (CSWC) over the past 5 years. The most-recent trade in Capital Southwest Corp is the acquisition of 20,000 shares on August 17, 2007, which cost William R Thomas around $605,650.
Insider Trading History of William R Thomas
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William R Thomas Trading Performance
GuruFocus tracks the stock performance after each of William R Thomas's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by William R Thomas is 7.29%. GuruFocus also compares William R Thomas's trading performance to market benchmark return within the same time period. The performance of stocks bought by William R Thomas within 3 months outperforms 7 times out of 8 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how William R Thomas's insider trading performs compared to the benchmark.
Performance of William R Thomas
William R Thomas Ownership Network
Ownership Network List of William R Thomas
Ownership Network Relation of William R Thomas

William R Thomas Owned Company Details
What does Capital Southwest Corp do?
Who are the key executives at Capital Southwest Corp?
William R Thomas is the director & 10 percent owner & President & Chairman of Capital Southwest Corp. Other key executives at Capital Southwest Corp include Chief Financial Officer Michael Scott Sarner , Senior Managing Director Joshua S. Weinstein , and director & President and CEO Bowen S Diehl .
Capital Southwest Corp (CSWC) Insider Trades Summary
Over the past 18 months, William R Thomas made no insider transaction in Capital Southwest Corp (CSWC). Other recent insider transactions involving Capital Southwest Corp (CSWC) include a net purchase of 2,621 shares made by Ramona Lynn Rogers-windsor , a net purchase of 1,527 shares made by Christine Battist , and a net purchase of 9,400 shares made by Thomas William R Iii .
In summary, during the past 3 months, insiders sold 0 shares of Capital Southwest Corp (CSWC) in total and bought 947 shares, with a net purchase of 947 shares. During the past 18 months, 0 shares of Capital Southwest Corp (CSWC) were sold and 13,548 shares were bought by its insiders, resulting in a net purchase of 13,548 shares.
Capital Southwest Corp (CSWC)'s detailed insider trading history can be found in Insider Trading Tracker table.
Capital Southwest Corp Insider Transactions
William R Thomas Mailing Address
Above is the net worth, insider trading, and ownership report for William R Thomas. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, William R Thomas's mailing address is: Dallas Tx 75240.