Thomas Joseph Gallagher - Net Worth and Insider Trading
Thomas Joseph Gallagher Net Worth
The estimated net worth of Thomas Joseph Gallagher is at least $196 Million dollars as of 2025-04-27. Thomas Joseph Gallagher is the President of Arthur J. Gallagher & Co and owns about 609,339 shares of Arthur J. Gallagher & Co (AJG) stock worth over $196 Million. Details can be seen in Thomas Joseph Gallagher'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 Thomas Joseph Gallagher has not made any transactions after 2024-08-08 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Thomas Joseph Gallagher
Thomas Joseph Gallagher Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Thomas Joseph Gallagher owns 1 companies in total, including Arthur J. Gallagher & Co (AJG) .
Click here to see the complete history of Thomas Joseph Gallagher’s form 4 insider trades.
Insider Ownership Summary of Thomas Joseph Gallagher
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
AJG | Arthur J. Gallagher & Co | 2024-08-08 | VICE PRESIDENT |
Thomas Joseph Gallagher Latest Holdings Summary
Thomas Joseph Gallagher currently owns a total of 1 stock. Thomas Joseph Gallagher owns 609,339 shares of Arthur J. Gallagher & Co (AJG) as of August 8, 2024, with a value of $196 Million.
Latest Holdings of Thomas Joseph Gallagher
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
AJG | Arthur J. Gallagher & Co | 2024-08-08 | 609,339 | 322.30 | 196,389,960 |
Holding Weightings of Thomas Joseph Gallagher
Thomas Joseph Gallagher Form 4 Trading Tracker
According to the SEC Form 4 filings, Thomas Joseph Gallagher has made a total of 4 transactions in Arthur J. Gallagher & Co (AJG) over the past 5 years, including 0 buys and 4 sells. The most-recent trade in Arthur J. Gallagher & Co is the sale of 15,000 shares on August 8, 2024, which brought Thomas Joseph Gallagher around $4 Million.
Insider Trading History of Thomas Joseph Gallagher
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Thomas Joseph Gallagher Trading Performance
GuruFocus tracks the stock performance after each of Thomas Joseph Gallagher's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Thomas Joseph Gallagher is 8.06%. GuruFocus also compares Thomas Joseph Gallagher's trading performance to market benchmark return within the same time period. The performance of stocks bought by Thomas Joseph Gallagher within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Thomas Joseph Gallagher's insider trading performs compared to the benchmark.
Performance of Thomas Joseph Gallagher
Thomas Joseph Gallagher Ownership Network
Ownership Network List of Thomas Joseph Gallagher
Ownership Network Relation of Thomas Joseph Gallagher

Thomas Joseph Gallagher Owned Company Details
What does Arthur J. Gallagher & Co do?
Who are the key executives at Arthur J. Gallagher & Co?
Thomas Joseph Gallagher is the VICE PRESIDENT of Arthur J. Gallagher & Co. Other key executives at Arthur J. Gallagher & Co include CORPORATE VP Scott R Hudson , Vice President Patrick Murphy Gallagher , and VICE PRESIDENT William F Ziebell .
Arthur J. Gallagher & Co (AJG) Insider Trades Summary
Over the past 18 months, Thomas Joseph Gallagher made 2 insider transaction in Arthur J. Gallagher & Co (AJG) with a net sale of 27,309. Other recent insider transactions involving Arthur J. Gallagher & Co (AJG) include a net sale of 82,610 shares made by Douglas K Howell , a net sale of 71,010 shares made by Scott R Hudson , and a net sale of 49,014 shares made by Walter D. Bay .
In summary, during the past 3 months, insiders sold 65,939 shares of Arthur J. Gallagher & Co (AJG) in total and bought 0 shares, with a net sale of 65,939 shares. During the past 18 months, 303,755 shares of Arthur J. Gallagher & Co (AJG) were sold and 1,115 shares were bought by its insiders, resulting in a net sale of 302,640 shares.
Arthur J. Gallagher & Co (AJG)'s detailed insider trading history can be found in Insider Trading Tracker table.
Arthur J. Gallagher & Co Insider Transactions
Thomas Joseph Gallagher Mailing Address
Above is the net worth, insider trading, and ownership report for Thomas Joseph Gallagher. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Thomas Joseph Gallagher's mailing address is: Itasca Il 60143.