Mary Kay Bourbulas - Net Worth and Insider Trading
Mary Kay Bourbulas Net Worth
The estimated net worth of Mary Kay Bourbulas is at least $811,508 dollars as of 2025-05-15. Mary Kay Bourbulas is the Director of Bank First Corp and owns about 7,003 shares of Bank First Corp (BFC) stock worth over $811,508. Details can be seen in Mary Kay Bourbulas'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 Mary Kay Bourbulas has not made any transactions after 2024-03-15 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mary Kay Bourbulas
Mary Kay Bourbulas Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mary Kay Bourbulas owns 1 companies in total, including Bank First Corp (BFC) .
Click here to see the complete history of Mary Kay Bourbulas’s form 4 insider trades.
Insider Ownership Summary of Mary Kay Bourbulas
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
BFC | Bank First Corp | 2024-03-15 | director |
Mary Kay Bourbulas Latest Holdings Summary
Mary Kay Bourbulas currently owns a total of 1 stock. Mary Kay Bourbulas owns 7,003 shares of Bank First Corp (BFC) as of March 15, 2024, with a value of $811,508.
Latest Holdings of Mary Kay Bourbulas
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
BFC | Bank First Corp | 2024-03-15 | 7,003 | 115.88 | 811,508 |
Holding Weightings of Mary Kay Bourbulas
Mary Kay Bourbulas Form 4 Trading Tracker
According to the SEC Form 4 filings, Mary Kay Bourbulas has made a total of 6 transactions in Bank First Corp (BFC) over the past 5 years, including 6 buys and 0 sells. The most-recent trade in Bank First Corp is the acquisition of 600 shares on March 15, 2024, which cost Mary Kay Bourbulas around $49,728.
Insider Trading History of Mary Kay Bourbulas
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Mary Kay Bourbulas Trading Performance
GuruFocus tracks the stock performance after each of Mary Kay Bourbulas's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mary Kay Bourbulas is 8.5%. GuruFocus also compares Mary Kay Bourbulas's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mary Kay Bourbulas within 3 months outperforms 1 times out of 7 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Mary Kay Bourbulas's insider trading performs compared to the benchmark.
Performance of Mary Kay Bourbulas
Mary Kay Bourbulas Ownership Network
Ownership Network List of Mary Kay Bourbulas
Ownership Network Relation of Mary Kay Bourbulas

Mary Kay Bourbulas Owned Company Details
What does Bank First Corp do?
Who are the key executives at Bank First Corp?
Mary Kay Bourbulas is the director of Bank First Corp. Other key executives at Bank First Corp include director & President Timothy J. Mcfarlane , Named Executive Officer Joan A Woldt , and Named Executive Officer Jason V Krepline .
Bank First Corp (BFC) Insider Trades Summary
Over the past 18 months, Mary Kay Bourbulas made 1 insider transaction in Bank First Corp (BFC) with a net purchase of 600. Other recent insider transactions involving Bank First Corp (BFC) include a net sale of 2,400 shares made by Stephen E Johnson , a net purchase of 1,000 shares made by , and a net purchase of 650 shares made by Phillip R Maples .
In summary, during the past 3 months, insiders sold 0 shares of Bank First Corp (BFC) in total and bought 1,380 shares, with a net purchase of 1,380 shares. During the past 18 months, 2,400 shares of Bank First Corp (BFC) were sold and 2,630 shares were bought by its insiders, resulting in a net purchase of 230 shares.
Bank First Corp (BFC)'s detailed insider trading history can be found in Insider Trading Tracker table.
Bank First Corp Insider Transactions
Mary Kay Bourbulas Mailing Address
Above is the net worth, insider trading, and ownership report for Mary Kay Bourbulas. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mary Kay Bourbulas's mailing address is: Manitowoc Wi 54220.