Thomas L Aller - Net Worth and Insider Trading
Thomas L Aller Net Worth
The estimated net worth of Thomas L Aller is at least $3 Million dollars as of 2025-04-30. Thomas L Aller is the Senior Vice President of Alliant Energy Corp and owns about 47,544 shares of Alliant Energy Corp (LNT) stock worth over $3 Million. Thomas L Aller is also the Director of Whiting Petroleum Corp and owns about 5,502 shares of Whiting Petroleum Corp (WLL) stock worth over $374,301. Details can be seen in Thomas L Aller'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 L Aller has not made any transactions after 2014-03-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Thomas L Aller
Thomas L Aller Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Thomas L Aller owns 2 companies in total, including Whiting Petroleum Corp (WLL) , and Alliant Energy Corp (LNT) .
Click here to see the complete history of Thomas L Aller’s form 4 insider trades.
Insider Ownership Summary of Thomas L Aller
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
WLL | Whiting Petroleum Corp | 2010-12-01 | director |
LNT | Alliant Energy Corp | 2014-03-13 | SUBSIDIARY VP |
Thomas L Aller Latest Holdings Summary
Thomas L Aller currently owns a total of 2 stocks. Among these stocks, Thomas L Aller owns 47,544 shares of Alliant Energy Corp (LNT) as of March 13, 2014, with a value of $3 Million and a weighting of 88.67%. Thomas L Aller also owns 5,502 shares of Whiting Petroleum Corp (WLL) as of December 1, 2010, with a value of $374,301 and a weighting of 11.33%.
Latest Holdings of Thomas L Aller
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
LNT | Alliant Energy Corp | 2014-03-13 | 47,544 | 61.61 | 2,929,186 |
WLL | Whiting Petroleum Corp | 2010-12-01 | 5,502 | 68.03 | 374,301 |
Holding Weightings of Thomas L Aller
Thomas L Aller Form 4 Trading Tracker
According to the SEC Form 4 filings, Thomas L Aller has made a total of 0 transactions in Alliant Energy Corp (LNT) over the past 5 years. The most-recent trade in Alliant Energy Corp is the sale of 3,752 shares on March 13, 2014, which brought Thomas L Aller around $102,992.
According to the SEC Form 4 filings, Thomas L Aller has made a total of 0 transactions in Whiting Petroleum Corp (WLL) over the past 5 years. The most-recent trade in Whiting Petroleum Corp is the sale of 900 shares on December 1, 2010, which brought Thomas L Aller around $201,168.
Insider Trading History of Thomas L Aller
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Thomas L Aller Trading Performance
GuruFocus tracks the stock performance after each of Thomas L Aller's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Thomas L Aller is 8.62%. GuruFocus also compares Thomas L Aller's trading performance to market benchmark return within the same time period. The performance of stocks bought by Thomas L Aller within 3 months outperforms 2 times out of 3 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Thomas L Aller's insider trading performs compared to the benchmark.
Performance of Thomas L Aller
Thomas L Aller Ownership Network
Ownership Network List of Thomas L Aller
Ownership Network Relation of Thomas L Aller

Thomas L Aller Owned Company Details
What does Whiting Petroleum Corp do?
Who are the key executives at Whiting Petroleum Corp?
Thomas L Aller is the director of Whiting Petroleum Corp. Other key executives at Whiting Petroleum Corp include director & Former President & CEO Lynn A Peterson , Former EVP Finance & CFO James P Henderson , and Former EVP Operations & COO Charles J. Rimer .
Whiting Petroleum Corp (WLL) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Whiting Petroleum Corp (WLL) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Whiting Petroleum Corp (WLL) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Whiting Petroleum Corp (WLL)'s detailed insider trading history can be found in Insider Trading Tracker table.
Whiting Petroleum Corp Insider Transactions
Thomas L Aller Mailing Address
Above is the net worth, insider trading, and ownership report for Thomas L Aller. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Thomas L Aller's mailing address is: Cedar Rapids Ia 52403.