Willard D Oberton - Net Worth and Insider Trading
Willard D Oberton Net Worth
The estimated net worth of Willard D Oberton is at least $78 Million dollars as of 2025-04-25. Willard D Oberton is the Director of Fastenal Co and owns about 927,137 shares of Fastenal Co (FAST) stock worth over $76 Million. Willard D Oberton is also the Director of Donaldson Co Inc and owns about 29,599 shares of Donaldson Co Inc (DCI) stock worth over $2 Million. Details can be seen in Willard D Oberton'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 Willard D Oberton has not made any transactions after 2025-03-05 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Willard D Oberton
Willard D Oberton Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Willard D Oberton owns 2 companies in total, including Donaldson Co Inc (DCI) , and Fastenal Co (FAST) .
Click here to see the complete history of Willard D Oberton’s form 4 insider trades.
Insider Ownership Summary of Willard D Oberton
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
DCI | Donaldson Co Inc | 2025-03-05 | director |
FAST | Fastenal Co | 2020-05-11 | director & CEO and President |
Willard D Oberton Latest Holdings Summary
Willard D Oberton currently owns a total of 2 stocks. Among these stocks, Willard D Oberton owns 927,137 shares of Fastenal Co (FAST) as of May 11, 2020, with a value of $76 Million and a weighting of 97.51%. Willard D Oberton also owns 29,599 shares of Donaldson Co Inc (DCI) as of March 5, 2025, with a value of $2 Million and a weighting of 2.49%.
Latest Holdings of Willard D Oberton
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
FAST | Fastenal Co | 2020-05-11 | 927,137 | 82.10 | 76,117,948 |
DCI | Donaldson Co Inc | 2025-03-05 | 29,599 | 65.80 | 1,947,614 |
Holding Weightings of Willard D Oberton
Willard D Oberton Form 4 Trading Tracker
According to the SEC Form 4 filings, Willard D Oberton has made a total of 1 transactions in Fastenal Co (FAST) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Fastenal Co is the sale of 40,000 shares on May 11, 2020, which brought Willard D Oberton around $2 Million.
According to the SEC Form 4 filings, Willard D Oberton has made a total of 8 transactions in Donaldson Co Inc (DCI) over the past 5 years, including 0 buys and 8 sells. The most-recent trade in Donaldson Co Inc is the sale of 7,000 shares on March 5, 2025, which brought Willard D Oberton around $477,540.
Insider Trading History of Willard D Oberton
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Willard D Oberton Trading Performance
GuruFocus tracks the stock performance after each of Willard D Oberton's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Willard D Oberton is 8.79%. GuruFocus also compares Willard D Oberton's trading performance to market benchmark return within the same time period. The performance of stocks bought by Willard D Oberton within 3 months outperforms 3 times out of 6 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Willard D Oberton's insider trading performs compared to the benchmark.
Performance of Willard D Oberton
Willard D Oberton Ownership Network
Ownership Network List of Willard D Oberton
Ownership Network Relation of Willard D Oberton

Willard D Oberton Owned Company Details
What does Donaldson Co Inc do?
Who are the key executives at Donaldson Co Inc?
Willard D Oberton is the director of Donaldson Co Inc. Other key executives at Donaldson Co Inc include Senior Vice President Thomas R Scalf , Senior Vice President Scott J. Robinson , and director & Chairman & President and CEO Tod E. Carpenter .
Donaldson Co Inc (DCI) Insider Trades Summary
Over the past 18 months, Willard D Oberton made 4 insider transaction in Donaldson Co Inc (DCI) with a net sale of 19,200. Other recent insider transactions involving Donaldson Co Inc (DCI) include a net sale of 64,795 shares made by Thomas R Scalf , a net sale of 44,100 shares made by James Owens , and a net sale of 44,100 shares made by Ajita G Rajendra .
In summary, during the past 3 months, insiders sold 83,700 shares of Donaldson Co Inc (DCI) in total and bought 0 shares, with a net sale of 83,700 shares. During the past 18 months, 411,132 shares of Donaldson Co Inc (DCI) were sold and 0 shares were bought by its insiders, resulting in a net sale of 411,132 shares.
Donaldson Co Inc (DCI)'s detailed insider trading history can be found in Insider Trading Tracker table.
Donaldson Co Inc Insider Transactions
Willard D Oberton Mailing Address
Above is the net worth, insider trading, and ownership report for Willard D Oberton. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Willard D Oberton's mailing address is: Winona Mn 55987.