Michael B Sheffery - Net Worth and Insider Trading

Michael B Sheffery Net Worth

The estimated net worth of Michael B Sheffery is at least $166 Million dollars as of 2024-04-25. Michael B Sheffery is the Director of Supernus Pharmaceuticals Inc and owns about 5,475,286 shares of Supernus Pharmaceuticals Inc (SUPN) stock worth over $166 Million. Details can be seen in Michael B Sheffery's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Michael B Sheffery has not made any transactions after 2012-05-04 and currently still holds the listed stock(s).

Transaction Summary of Michael B Sheffery

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Michael B Sheffery Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Michael B Sheffery owns 2 companies in total, including Supernus Pharmaceuticals Inc (SUPN) , and Athersys Inc (ATHXQ) .

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

Insider Ownership Summary of Michael B Sheffery

Ticker Comapny Transaction Date Type of Owner
SUPN Supernus Pharmaceuticals Inc 2012-05-04 director
ATHXQ Athersys Inc 2008-05-13 director

Michael B Sheffery Latest Holdings Summary

Michael B Sheffery currently owns a total of 1 stock. Michael B Sheffery owns 5,475,286 shares of Supernus Pharmaceuticals Inc (SUPN) as of May 4, 2012, with a value of $166 Million.

Latest Holdings of Michael B Sheffery

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
SUPN Supernus Pharmaceuticals Inc 2012-05-04 5,475,286 30.26 165,682,154

Holding Weightings of Michael B Sheffery


Michael B Sheffery Form 4 Trading Tracker

According to the SEC Form 4 filings, Michael B Sheffery has made a total of 0 transactions in Supernus Pharmaceuticals Inc (SUPN) over the past 5 years. The most-recent trade in Supernus Pharmaceuticals Inc is the acquisition of 1,100,000 shares on May 4, 2012, which cost Michael B Sheffery around $6 Million.

Insider Trading History of Michael B Sheffery

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.

Michael B Sheffery Trading Performance

GuruFocus tracks the stock performance after each of Michael B Sheffery's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Michael B Sheffery is 97.82%. GuruFocus also compares Michael B Sheffery's trading performance to market benchmark return within the same time period. The performance of stocks bought by Michael B Sheffery within 3 months outperforms 1 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 Michael B Sheffery'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 Michael B Sheffery

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(%) -16.25 97.82 93.47 -13.74 15.81 30.44
Relative Return to S&P 500(%) -9.61 96.22 90.18 -31.66 -1.46 14.85

Michael B Sheffery Ownership Network

Ownership Network List of Michael B Sheffery

No Data

Ownership Network Relation of Michael B Sheffery


Michael B Sheffery Owned Company Details

What does Supernus Pharmaceuticals Inc do?

Who are the key executives at Supernus Pharmaceuticals Inc?

Michael B Sheffery is the director of Supernus Pharmaceuticals Inc. Other key executives at Supernus Pharmaceuticals Inc include Sr. VP of IP & CSO Padmanabh P. Bhatt , Sr. V.P. & Regulatory Affairs Tami Tillotson Martin , and Sr VP & Quality & GMP Oper. & IT Frank Mottola .

Supernus Pharmaceuticals Inc (SUPN) Insider Trades Summary

Over the past 18 months, Michael B Sheffery made no insider transaction in Supernus Pharmaceuticals Inc (SUPN). Other recent insider transactions involving Supernus Pharmaceuticals Inc (SUPN) include a net sale of 116,005 shares made by Padmanabh P. Bhatt , a net sale of 76,390 shares made by Jack A. Khattar , and a net sale of 21,235 shares made by Tami Tillotson Martin .

In summary, during the past 3 months, insiders sold 98,505 shares of Supernus Pharmaceuticals Inc (SUPN) in total and bought 0 shares, with a net sale of 98,505 shares. During the past 18 months, 231,113 shares of Supernus Pharmaceuticals Inc (SUPN) were sold and 0 shares were bought by its insiders, resulting in a net sale of 231,113 shares.

Supernus Pharmaceuticals Inc (SUPN)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Supernus Pharmaceuticals Inc Insider Transactions

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Michael B Sheffery Mailing Address

Above is the net worth, insider trading, and ownership report for Michael B Sheffery. You might contact Michael B Sheffery via mailing address: 601 Lexington Avenue, 54th Floor, New York Ny 10022.

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