John Seely Brown - Net Worth and Insider Trading

John Seely Brown Net Worth

The estimated net worth of John Seely Brown is at least $52 Million dollars as of 2024-03-29. John Seely Brown is the Director of Amazon.com Inc and owns about 253,720 shares of Amazon.com Inc (AMZN) stock worth over $46 Million. John Seely Brown is the Director of Corning Inc and owns about 137,801 shares of Corning Inc (GLW) stock worth over $5 Million. John Seely Brown is also the Director of Varian Medical Systems Inc and owns about 11,592 shares of Varian Medical Systems Inc (VAR) stock worth over $2 Million. Details can be seen in John Seely Brown'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 Seely Brown has not made any transactions after 2015-06-30 and currently still holds the listed stock(s).

Transaction Summary of John Seely Brown

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John Seely Brown Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, John Seely Brown owns 4 companies in total, including Amazon.com Inc () , Corning Inc () , and Varian Medical Systems Inc () among others .

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

Insider Ownership Summary of John Seely Brown

Ticker Comapny Transaction Date Type of Owner
Amazon.com Inc 2015-06-30 director
Corning Inc 2013-11-04 director
Varian Medical Systems Inc 2013-02-14 director
Polycom Inc 2007-09-01 director

John Seely Brown Latest Holdings Summary

John Seely Brown currently owns a total of 3 stocks. Among these stocks, John Seely Brown owns 253,720 shares of Amazon.com Inc (AMZN) as of June 30, 2015, with a value of $46 Million and a weighting of 87.39%. John Seely Brown owns 137,801 shares of Corning Inc (GLW) as of November 4, 2013, with a value of $5 Million and a weighting of 8.68%. John Seely Brown also owns 11,592 shares of Varian Medical Systems Inc (VAR) as of August 21, 2012, with a value of $2 Million and a weighting of 3.92%.

Latest Holdings of John Seely Brown

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
AMZN Amazon.com Inc 2015-06-30 253,720 180.14 45,705,121
GLW Corning Inc 2013-11-04 137,801 32.96 4,541,921
VAR Varian Medical Systems Inc 2012-08-21 11,592 177.07 2,052,595

Holding Weightings of John Seely Brown


John Seely Brown Form 4 Trading Tracker

According to the SEC Form 4 filings, John Seely Brown has made a total of 0 transactions in Amazon.com Inc (AMZN) over the past 5 years. The most-recent trade in Amazon.com Inc is the sale of 9,600 shares on June 30, 2015, which brought John Seely Brown around $208,416.

According to the SEC Form 4 filings, John Seely Brown has made a total of 0 transactions in Corning Inc (GLW) over the past 5 years. The most-recent trade in Corning Inc is the sale of 5,132 shares on November 4, 2013, which brought John Seely Brown around $88,732.

According to the SEC Form 4 filings, John Seely Brown has made a total of 0 transactions in Varian Medical Systems Inc (VAR) over the past 5 years. The most-recent trade in Varian Medical Systems Inc is the sale of 41,866 shares on August 21, 2012, which brought John Seely Brown around $3 Million.

Insider Trading History of John Seely Brown

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 Seely Brown Trading Performance

GuruFocus tracks the stock performance after each of John Seely Brown's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John Seely Brown is 5.31%. GuruFocus also compares John Seely Brown's trading performance to market benchmark return within the same time period. The performance of stocks bought by John Seely Brown 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 Seely Brown'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 Seely Brown

Average Relative Return

47.25%

Average relative return per transaction

Outperforming Transactions

100%

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
Relative Return(%) -3.47 5.31 41.37 47.25 24.36 21.61
Relative Return to S&P 500(%) -3.99 11.05 38.49 28.75 10 14.16

John Seely Brown Ownership Network

Ownership Network List of John Seely Brown

No Data

Ownership Network Relation of John Seely Brown


John Seely Brown Owned Company Details

What does Amazon.com Inc do?

Who are the key executives at Amazon.com Inc?

John Seely Brown is the director of Amazon.com Inc. Other key executives at Amazon.com Inc include CEO Amazon Web Services Adam Selipsky , director & President and CEO Andrew R Jassy , and CEO Worldwide Amazon Stores Douglas J Herrington .

Amazon.com Inc () Insider Trades Summary

Over the past 18 months, John Seely Brown made no insider transaction in Amazon.com Inc (). Other recent insider transactions involving Amazon.com Inc () include a net sale of 174,640 shares made by Adam Selipsky , a net sale of 224,362 shares made by Douglas J Herrington , and a net sale of 235,333 shares made by Andrew R Jassy .

In summary, during the past 3 months, insiders sold 50,244,529 shares of Amazon.com Inc () in total and bought 0 shares, with a net sale of 50,244,529 shares. During the past 18 months, 50,886,781 shares of Amazon.com Inc () were sold and 1 shares were bought by its insiders, resulting in a net sale of 50,886,780 shares.

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

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Amazon.com Inc Insider Transactions

No Available Data

John Seely Brown Mailing Address

Above is the net worth, insider trading, and ownership report for John Seely Brown. You might contact John Seely Brown via mailing address: One Riverfront Plz, Corning Ny 14831.

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