John J Zillmer - Net Worth and Insider Trading
John J Zillmer Net Worth
The estimated net worth of John J Zillmer is at least $22 Million dollars as of 2025-04-27. John J Zillmer is the CEO of Aramark and owns about 276,285 shares of Aramark (ARMK) stock worth over $9 Million. John J Zillmer is the Director of CSX Corp and owns about 320,763 shares of CSX Corp (CSX) stock worth over $9 Million. John J Zillmer is also the Director of Reynolds American Inc and owns about 66,000 shares of Reynolds American Inc (RAI) stock worth over $4 Million. Details can be seen in John J Zillmer'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 John J Zillmer has not made any transactions after 2022-06-06 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of John J Zillmer
John J Zillmer Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John J Zillmer owns 8 companies in total, including Ecolab Inc (ECL) , Aramark (ARMK) , and CSX Corp (CSX) among others .
Click here to see the complete history of John J Zillmer’s form 4 insider trades.
Insider Ownership Summary of John J Zillmer
John J Zillmer Latest Holdings Summary
John J Zillmer currently owns a total of 3 stocks. Among these stocks, John J Zillmer owns 276,285 shares of Aramark (ARMK) as of March 11, 2020, with a value of $9 Million and a weighting of 40.72%. John J Zillmer owns 320,763 shares of CSX Corp (CSX) as of June 6, 2022, with a value of $9 Million and a weighting of 39.97%. John J Zillmer also owns 66,000 shares of Reynolds American Inc (RAI) as of May 18, 2011, with a value of $4 Million and a weighting of 19.32%.
Latest Holdings of John J Zillmer
Holding Weightings of John J Zillmer
John J Zillmer Form 4 Trading Tracker
According to the SEC Form 4 filings, John J Zillmer has made a total of 0 transactions in Aramark (ARMK) over the past 5 years. The most-recent trade in Aramark is the acquisition of 40,000 shares on March 11, 2020, which cost John J Zillmer around $1 Million.
According to the SEC Form 4 filings, John J Zillmer has made a total of 5 transactions in CSX Corp (CSX) over the past 5 years, including 0 buys and 5 sells. The most-recent trade in CSX Corp is the sale of 16,000 shares on June 6, 2022, which brought John J Zillmer around $516,000.
According to the SEC Form 4 filings, John J Zillmer has made a total of 0 transactions in Reynolds American Inc (RAI) over the past 5 years. The most-recent trade in Reynolds American Inc is the acquisition of 20,000 shares on May 18, 2011, which cost John J Zillmer around $387,500.
Insider Trading History of John J Zillmer
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John J Zillmer Trading Performance
GuruFocus tracks the stock performance after each of John J Zillmer's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John J Zillmer is -4.94%. GuruFocus also compares John J Zillmer's trading performance to market benchmark return within the same time period. The performance of stocks bought by John J Zillmer within 3 months outperforms 1 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 John J Zillmer's insider trading performs compared to the benchmark.
Performance of John J Zillmer
John J Zillmer Ownership Network
Ownership Network List of John J Zillmer
Ownership Network Relation of John J Zillmer

John J Zillmer Owned Company Details
What does Ecolab Inc do?
Who are the key executives at Ecolab Inc?
John J Zillmer is the director of Ecolab Inc. Other key executives at Ecolab Inc include Chief Technical Officer & SVP Larry L Berger , SVP & CORPORATE CONTROLLER Jennifer J Bradway , and EVP & CSCO Machiel Duijser .
Ecolab Inc (ECL) Insider Trades Summary
Over the past 18 months, John J Zillmer made no insider transaction in Ecolab Inc (ECL). Other recent insider transactions involving Ecolab Inc (ECL) include a net sale of 2,006,813 shares made by Gates William H Iii , a net purchase of 2,500 shares made by David Maclennan , and a net sale of 8,300 shares made by Arthur J Higgins .
In summary, during the past 3 months, insiders sold 20,939 shares of Ecolab Inc (ECL) in total and bought 400 shares, with a net sale of 20,539 shares. During the past 18 months, 2,102,006 shares of Ecolab Inc (ECL) were sold and 2,500 shares were bought by its insiders, resulting in a net sale of 2,099,506 shares.
Ecolab Inc (ECL)'s detailed insider trading history can be found in Insider Trading Tracker table.
Ecolab Inc Insider Transactions
John J Zillmer Mailing Address
Above is the net worth, insider trading, and ownership report for John J Zillmer. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, John J Zillmer's mailing address is: Philadelphia Pa 19107.