Insider Stock Trading History of Staszak Jeffrey


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 Staszak Jeffrey since year 2005. The trader's CIK number is 1294497. At the time of this reporting, Staszak Jeffrey is the President, CEO of Volterra Semiconductor Corp . (stock ticker symbol VLTR). See this page for all insider trading activities at Volterra Semiconductor Corp .


Stock purchases, sales, and option exercises reported by insider Staszak Jeffrey since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2012-04-02 VLTR Volterra Semiconductor Corp Sale 20,000 33.42 668,400
2012-03-01 VLTR Volterra Semiconductor Corp Sale 10,000 30.80 308,000
2012-02-09 VLTR Volterra Semiconductor Corp Sale 75,000 32.00 2,400,000
2012-02-03 VLTR Volterra Semiconductor Corp Sale 25,000 31.02 775,500
2012-02-01 VLTR Volterra Semiconductor Corp Sale 10,000 30.15 301,500
2009-02-06 VLTR Volterra Semiconductor Corp Sale 12,500 8.38 104,750
2012-01-03 VLTR Volterra Semiconductor Corp Sale 10,000 26.18 261,800
2011-12-05 VLTR Volterra Semiconductor Corp Sale 10,000 25.00 250,000
2011-11-04 VLTR Volterra Semiconductor Corp Sale 10,000 25.00 250,000
2011-10-27 VLTR Volterra Semiconductor Corp Sale 20,000 25.00 500,000
2011-10-26 VLTR Volterra Semiconductor Corp Sale 50,000 23.21 1,160,500
2011-07-26 VLTR Volterra Semiconductor Corp Sale 20,000 25.00 500,000
2011-06-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2011-06-16 VLTR Volterra Semiconductor Corp Sale 6,250 22.16 138,500
2011-05-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2011-05-16 VLTR Volterra Semiconductor Corp Sale 6,250 25.32 158,250
2011-04-18 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2011-04-18 VLTR Volterra Semiconductor Corp Sale 6,250 23.53 147,062
2011-03-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2011-03-16 VLTR Volterra Semiconductor Corp Sale 6,250 22.87 142,937
2011-02-16 VLTR Volterra Semiconductor Corp Sale 6,250 25.98 162,375
2011-02-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2011-01-18 VLTR Volterra Semiconductor Corp Sale 6,250 26.31 164,437
2011-01-18 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-12-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-12-16 VLTR Volterra Semiconductor Corp Sale 6,250 23.54 147,125
2010-11-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-11-16 VLTR Volterra Semiconductor Corp Sale 6,250 20.62 128,875
2010-10-18 VLTR Volterra Semiconductor Corp Sale 6,250 20.61 128,812
2010-10-18 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-09-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-09-16 VLTR Volterra Semiconductor Corp Sale 6,250 21.26 132,875
2010-08-16 VLTR Volterra Semiconductor Corp Sale 6,250 20.00 125,000
2010-08-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-07-16 VLTR Volterra Semiconductor Corp Sale 6,250 27.34 170,856
2010-07-16 VLTR Volterra Semiconductor Corp Option Ex 6,250 5.00 31,250
2010-06-14 VLTR Volterra Semiconductor Corp Option Ex 8,000 3.20 25,600
2010-06-14 VLTR Volterra Semiconductor Corp Sale 16,500 24.09 397,518
2010-05-14 VLTR Volterra Semiconductor Corp Sale 16,500 21.92 361,680
2010-05-14 VLTR Volterra Semiconductor Corp Option Ex 8,000 3.20 25,600
2010-04-14 VLTR Volterra Semiconductor Corp Option Ex 8,000 3.20 25,600
2010-04-14 VLTR Volterra Semiconductor Corp Sale 16,500 27.90 460,350
2010-04-08 VLTR Volterra Semiconductor Corp Option Ex 241,500 3.20 772,800
2010-03-17 VLTR Volterra Semiconductor Corp Option Ex 100,000 3.20 320,000
2010-03-17 VLTR Volterra Semiconductor Corp Sale 100,000 25.00 2,500,000
2010-03-15 VLTR Volterra Semiconductor Corp Sale 16,500 22.73 375,045
2010-03-15 VLTR Volterra Semiconductor Corp Option Ex 8,000 3.20 25,600
2010-02-16 VLTR Volterra Semiconductor Corp Option Ex 8,000 3.20 25,600
2010-02-16 VLTR Volterra Semiconductor Corp Sale 16,500 22.48 370,920
2010-02-16 VLTR Volterra Semiconductor Corp Sale 16,500 22.48 370,920
2010-02-16 VLTR Volterra Semiconductor Corp Option Ex 8,000 3.20 25,600
2010-01-26 VLTR Volterra Semiconductor Corp Sale 57,750 20.05 1,157,887
2010-01-26 VLTR Volterra Semiconductor Corp Option Ex 28,000 3.20 89,600
2010-01-14 VLTR Volterra Semiconductor Corp Sale 8,250 17.89 147,592
2010-01-14 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-12-14 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-12-14 VLTR Volterra Semiconductor Corp Sale 8,250 18.07 149,077
2009-11-16 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-11-16 VLTR Volterra Semiconductor Corp Sale 8,250 15.00 123,750
2009-10-14 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-10-14 VLTR Volterra Semiconductor Corp Sale 8,250 18.33 151,222
2009-09-14 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-09-14 VLTR Volterra Semiconductor Corp Sale 8,250 18.50 152,625
2009-08-14 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-08-14 VLTR Volterra Semiconductor Corp Sale 8,250 16.17 133,402
2009-07-15 VLTR Volterra Semiconductor Corp Option Ex 4,000 3.20 12,800
2009-07-15 VLTR Volterra Semiconductor Corp Sale 8,250 15.03 123,997
2009-02-13 VLTR Volterra Semiconductor Corp Sale 12,500 8.80 110,062
2009-02-05 VLTR Volterra Semiconductor Corp Sale 17,500 8.20 143,412
2009-02-05 VLTR Volterra Semiconductor Corp Option Ex 122,500 .32 39,200
2008-12-15 VLTR Volterra Semiconductor Corp Option Ex 12,500 .32 4,000
2008-12-15 VLTR Volterra Semiconductor Corp Sale 12,500 7.37 92,175
2008-11-26 VLTR Volterra Semiconductor Corp Option Ex 12,500 .32 4,000
2008-11-26 VLTR Volterra Semiconductor Corp Sale 12,500 8.00 100,000
2008-11-10 VLTR Volterra Semiconductor Corp Sale 12,500 8.07 100,875
2008-11-10 VLTR Volterra Semiconductor Corp Option Ex 12,500 .32 4,000
2008-11-03 VLTR Volterra Semiconductor Corp Option Ex 12,500 .32 4,000
2008-11-03 VLTR Volterra Semiconductor Corp Sale 12,500 9.05 113,125
2006-03-31 VLTR Volterra Semiconductor Corp Sale 50,000 18.98 949,000

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 Staszak Jeffrey (President, CEO of Volterra Semiconductor Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.