John B Neff - Net Worth and Insider Trading

John B Neff Net Worth

The estimated net worth of John B Neff is at least $6 Million dollars as of 2024-04-23. John B Neff is the Director of Amkor Technology Inc and owns about 200,000 shares of Amkor Technology Inc (AMKR) stock worth over $6 Million. Details can be seen in John B Neff's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that John B Neff has not made any transactions after 2004-04-30 and currently still holds the listed stock(s).

Transaction Summary of John B Neff

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John B Neff Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, John B Neff owns 2 companies in total, including Amkor Technology Inc () , and Crown Holdings Inc () .

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

Insider Ownership Summary of John B Neff

Ticker Comapny Transaction Date Type of Owner
Amkor Technology Inc 2004-04-30 director
Crown Holdings Inc 2003-07-25 director

John B Neff Latest Holdings Summary

John B Neff currently owns a total of 1 stock. John B Neff owns 200,000 shares of Amkor Technology Inc (AMKR) as of April 30, 2004, with a value of $6 Million.

Latest Holdings of John B Neff

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
AMKR Amkor Technology Inc 2004-04-30 200,000 28.98 5,796,000

Holding Weightings of John B Neff


John B Neff Form 4 Trading Tracker

According to the SEC Form 4 filings, John B Neff has made a total of 0 transactions in Amkor Technology Inc (AMKR) over the past 5 years. The most-recent trade in Amkor Technology Inc is the acquisition of 100,000 shares on April 30, 2004, which cost John B Neff around $850,000.

Insider Trading History of John B Neff

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 B Neff Trading Performance

GuruFocus tracks the stock performance after each of John B Neff's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John B Neff is -49.63%. GuruFocus also compares John B Neff's trading performance to market benchmark return within the same time period. The performance of stocks bought by John B Neff within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how John B Neff'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 B Neff

Average Return

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(%) 27.86 -49.63 -38.06 -59.83 22.7 20.28
Relative Return to S&P 500(%) 26.65 -49.13 -40.13 -64.3 13.88 10.07

John B Neff Ownership Network

Ownership Network List of John B Neff

No Data

Ownership Network Relation of John B Neff


John B Neff Owned Company Details

What does Amkor Technology Inc do?

Who are the key executives at Amkor Technology Inc?

John B Neff is the director of Amkor Technology Inc. Other key executives at Amkor Technology Inc include Executive Vice President Rutten Guillaume Marie Jean , See Remarks Megan Faust , and Executive Vice President Farshad Haghighi .

Amkor Technology Inc () Insider Trades Summary

Over the past 18 months, John B Neff made no insider transaction in Amkor Technology Inc (). Other recent insider transactions involving Amkor Technology Inc () include a net sale of 98,500 shares made by Megan Faust , a net sale of 315,000 shares made by Rutten Guillaume Marie Jean , and a net sale of 57,237 shares made by Farshad Haghighi .

In summary, during the past 3 months, insiders sold 102,314 shares of Amkor Technology Inc () in total and bought 0 shares, with a net sale of 102,314 shares. During the past 18 months, 34,439,269 shares of Amkor Technology Inc () were sold and 0 shares were bought by its insiders, resulting in a net sale of 34,439,269 shares.

Amkor Technology Inc ()'s detailed insider trading history can be found in Insider Trading Tracker table.

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Amkor Technology Inc Insider Transactions

No Available Data

John B Neff Mailing Address

Above is the net worth, insider trading, and ownership report for John B Neff. You might contact John B Neff via mailing address: Wellington Management Company, Bldg. 2, Suite 300, Radnor Corp. Center, Radnor Pa 19087-4609.

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