Insider Trading History of Sheffery Michael B


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Sheffery Michael B since year 2005. The trader's CIK number is 1283887. At the time of the last reporting, Sheffery Michael B was the Director of Supernus Pharmaceuticals Inc . (stock ticker symbol SUPN). See this page for all insider trading activities at Supernus Pharmaceuticals Inc .

Note that in the past SHEFFERY MICHAEL B also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Sheffery Michael B since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2012-05-04 SUPN Supernus Pharmaceuticals Inc Buy 1,100,000 5.00 5,500,000
2009-03-17 ATHX Athersys, Inc / New Buy 110,000 .84 92,400
2009-03-16 ATHX Athersys, Inc / New Buy 52,200 .65 33,930
2008-05-22 ATHX Athersys, Inc / New Buy 268,000 2.40 643,200
2008-05-21 ATHX Athersys, Inc / New Buy 130,000 2.40 312,000
2008-05-13 ATHX Athersys, Inc / New Buy 50,000 2.40 120,000
2007-06-08 BVIC Athersys, Inc / New Buy 3,000,000 5.00 15,000,000

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Sheffery Michael B (Director of Supernus Pharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.




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