M Anne Szostak - Net Worth and Insider Trading
M Anne Szostak Net Worth
The estimated net worth of M Anne Szostak is at least $2 Million dollars as of 2025-04-26. M Anne Szostak is the Director of IDEXX Laboratories Inc and owns about 3,061 shares of IDEXX Laboratories Inc (IDXX) stock worth over $1 Million. M Anne Szostak is the Director of Keurig Dr Pepper Inc and owns about 17,123 shares of Keurig Dr Pepper Inc (KDP) stock worth over $589,031. M Anne Szostak is also the Director of Tupperware Brands Corp and owns about 68,368 shares of Tupperware Brands Corp (TUPBQ) stock worth over $971. Details can be seen in M Anne Szostak'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 M Anne Szostak has not made any transactions after 2025-02-07 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of M Anne Szostak
M Anne Szostak Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, M Anne Szostak owns 3 companies in total, including IDEXX Laboratories Inc (IDXX) , Tupperware Brands Corp (TUPBQ) , and Keurig Dr Pepper Inc (KDP) .
Click here to see the complete history of M Anne Szostak’s form 4 insider trades.
Insider Ownership Summary of M Anne Szostak
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
IDXX | IDEXX Laboratories Inc | 2025-02-07 | director |
TUPBQ | Tupperware Brands Corp | 2020-11-10 | director |
KDP | Keurig Dr Pepper Inc | 2016-05-11 | director |
M Anne Szostak Latest Holdings Summary
M Anne Szostak currently owns a total of 3 stocks. Among these stocks, M Anne Szostak owns 3,061 shares of IDEXX Laboratories Inc (IDXX) as of February 7, 2025, with a value of $1 Million and a weighting of 69.41%. M Anne Szostak owns 17,123 shares of Keurig Dr Pepper Inc (KDP) as of May 11, 2016, with a value of $589,031 and a weighting of 30.54%. M Anne Szostak also owns 68,368 shares of Tupperware Brands Corp (TUPBQ) as of November 10, 2020, with a value of $971 and a weighting of 0.05%.
Latest Holdings of M Anne Szostak
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
IDXX | IDEXX Laboratories Inc | 2025-02-07 | 3,061 | 437.44 | 1,339,004 |
KDP | Keurig Dr Pepper Inc | 2016-05-11 | 17,123 | 34.40 | 589,031 |
TUPBQ | Tupperware Brands Corp | 2020-11-10 | 68,368 | 0.01 | 971 |
Holding Weightings of M Anne Szostak
M Anne Szostak Form 4 Trading Tracker
According to the SEC Form 4 filings, M Anne Szostak has made a total of 7 transactions in IDEXX Laboratories Inc (IDXX) over the past 5 years, including 0 buys and 7 sells. The most-recent trade in IDEXX Laboratories Inc is the sale of 3,000 shares on February 7, 2025, which brought M Anne Szostak around $1 Million.
According to the SEC Form 4 filings, M Anne Szostak has made a total of 0 transactions in Keurig Dr Pepper Inc (KDP) over the past 5 years. The most-recent trade in Keurig Dr Pepper Inc is the sale of 3,000 shares on May 11, 2016, which brought M Anne Szostak around $284,310.
According to the SEC Form 4 filings, M Anne Szostak has made a total of 1 transactions in Tupperware Brands Corp (TUPBQ) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Tupperware Brands Corp is the sale of 1,000 shares on November 10, 2020, which brought M Anne Szostak around $28,430.
Insider Trading History of M Anne Szostak
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M Anne Szostak Trading Performance
GuruFocus tracks the stock performance after each of M Anne Szostak's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by M Anne Szostak is 4.68%. GuruFocus also compares M Anne Szostak's trading performance to market benchmark return within the same time period. The performance of stocks bought by M Anne Szostak within 3 months outperforms 4 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 M Anne Szostak's insider trading performs compared to the benchmark.
Performance of M Anne Szostak
M Anne Szostak Ownership Network
Ownership Network List of M Anne Szostak
Ownership Network Relation of M Anne Szostak

M Anne Szostak Owned Company Details
What does IDEXX Laboratories Inc do?
Who are the key executives at IDEXX Laboratories Inc?
M Anne Szostak is the director of IDEXX Laboratories Inc. Other key executives at IDEXX Laboratories Inc include CORPORATE VICE PRESIDENT George Fennell , Corporate Vice President James F Polewaczyk , and director & President and CEO Jonathan Jay Mazelsky .
IDEXX Laboratories Inc (IDXX) Insider Trades Summary
Over the past 18 months, M Anne Szostak made 2 insider transaction in IDEXX Laboratories Inc (IDXX) with a net sale of 3,500. Other recent insider transactions involving IDEXX Laboratories Inc (IDXX) include a net sale of 19,740 shares made by James F Polewaczyk , a net sale of 19,128 shares made by Jonathan Jay Mazelsky , and a net sale of 18,184 shares made by George Fennell .
In summary, during the past 3 months, insiders sold 12,986 shares of IDEXX Laboratories Inc (IDXX) in total and bought 0 shares, with a net sale of 12,986 shares. During the past 18 months, 85,826 shares of IDEXX Laboratories Inc (IDXX) were sold and 0 shares were bought by its insiders, resulting in a net sale of 85,826 shares.
IDEXX Laboratories Inc (IDXX)'s detailed insider trading history can be found in Insider Trading Tracker table.
IDEXX Laboratories Inc Insider Transactions
M Anne Szostak Mailing Address
Above is the net worth, insider trading, and ownership report for M Anne Szostak. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, M Anne Szostak's mailing address is: Orlando Fl 32837.