John M Duffey - Net Worth and Insider Trading

John M Duffey Net Worth

The estimated net worth of John M Duffey is at least $36 Million dollars as of 2024-11-11. John M Duffey is the President, CEO of Six Flags Entertainment Corp and owns about 1,118,464 shares of Six Flags Entertainment Corp (SIX) stock worth over $36 Million. Details can be seen in John M Duffey'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 M Duffey has not made any transactions after 2016-12-22 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of John M Duffey

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John M Duffey Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, John M Duffey owns 1 companies in total, including Six Flags Entertainment Corp (SIX) .

Click here to see the complete history of John M Duffey’s form 4 insider trades.

Insider Ownership Summary of John M Duffey

Ticker Comapny Transaction Date Type of Owner
SIX Six Flags Entertainment Corp 2016-12-22 Executive VP and CFO

John M Duffey Latest Holdings Summary

John M Duffey currently owns a total of 1 stock. John M Duffey owns 1,118,464 shares of Six Flags Entertainment Corp (SIX) as of December 22, 2016, with a value of $36 Million.

Latest Holdings of John M Duffey

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
SIX Six Flags Entertainment Corp 2016-12-22 1,118,464 32.00 35,790,848

Holding Weightings of John M Duffey


John M Duffey Form 4 Trading Tracker

According to the SEC Form 4 filings, John M Duffey has made a total of 0 transactions in Six Flags Entertainment Corp (SIX) over the past 5 years. The most-recent trade in Six Flags Entertainment Corp is the acquisition of 25,000 shares on December 22, 2016, which cost John M Duffey around $1 Million.

Insider Trading History of John M Duffey

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

John M Duffey Trading Performance

GuruFocus tracks the stock performance after each of John M Duffey's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John M Duffey is 8%. GuruFocus also compares John M Duffey's trading performance to market benchmark return within the same time period. The performance of stocks bought by John M Duffey within 3 months outperforms 1 times out of 2 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how John M Duffey's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of John M Duffey

Average Return

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Average return per transaction

Outperforming Transactions

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2 out of 2 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) 8.05 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) 8.05 LIMIT LIMIT LIMIT LIMIT LIMIT

John M Duffey Ownership Network

Ownership Network List of John M Duffey

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Ownership Network Relation of John M Duffey

Insider Network Chart

John M Duffey Owned Company Details

What does Six Flags Entertainment Corp do?

Who are the key executives at Six Flags Entertainment Corp?

John M Duffey is the Executive VP and CFO of Six Flags Entertainment Corp. Other key executives at Six Flags Entertainment Corp include Chief Accounting Officer Derek Sample , CHIEF LEGAL OFFICER Aimee Williams-ramey , and CHIEF FINANCIAL OFFICER Gary Mick .

Six Flags Entertainment Corp (SIX) Insider Trades Summary

Over the past 18 months, John M Duffey made no insider transaction in Six Flags Entertainment Corp (SIX). Other recent insider transactions involving Six Flags Entertainment Corp (SIX) include a net purchase of 8,312 shares made by Gary Mick , a net sale of 11,630 shares made by Aimee Williams-ramey , and a net sale of 2,300 shares made by Derek Sample .

In summary, during the past 3 months, insiders sold 0 shares of Six Flags Entertainment Corp (SIX) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 13,930 shares of Six Flags Entertainment Corp (SIX) were sold and 8,312 shares were bought by its insiders, resulting in a net sale of 5,618 shares.

Six Flags Entertainment Corp (SIX)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Six Flags Entertainment Corp Insider Transactions

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John M Duffey Mailing Address

Above is the net worth, insider trading, and ownership report for John M Duffey. You might contact John M Duffey via mailing address: 1717 Deer Field Road, Deerfield Il 60015.