Jeffrey Staszak serves as Executive at VOLTERRA SEMICONDUCTOR CORP, where they oversee executive responsibilities. Since joining the company, Jeffrey Staszak has executed 103 insider transactions totaling $18.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Apr 14, 2010 involved exercising options for 8,000 shares valued at $25.6K.
Jeffrey Staszak currently holds 84,500 shares of VOLTERRA SEMICONDUCTOR CORP (VLTR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jeffrey Staszak has been a net seller of VLTR stock. They have purchased $0 and sold $18.7M worth of shares.
Jeffrey Staszak's most recent insider trade was on Apr 14, 2010, when they sold 8,000 shares at $3.20 per share.
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| 241,500 |
| $3.20 |
| Discretionary |
| Mar 17, 2010 | VLTR | $2.5M | Sale | 100,000 | $25.00 | Discretionary |
| Mar 17, 2010 | VLTR | $320.0K | Option Exercise | 100,000 | $3.20 | Discretionary |
| Mar 15, 2010 | VLTR | $193.2K | Sale | 8,500 | $22.73 | Discretionary |
| Mar 15, 2010 | VLTR | $181.8K | Sale | 8,000 | $22.73 | Discretionary |
| Mar 15, 2010 | VLTR | $25.6K | Option Exercise | 8,000 | $3.20 | Discretionary |
| Feb 16, 2010 | VLTR | $179.8K | Sale | 8,000 | $22.48 | Discretionary |
| Feb 16, 2010 | VLTR | $191.1K | Sale | 8,500 | $22.48 | Discretionary |
| Feb 16, 2010 | VLTR | $25.6K | Option Exercise | 8,000 | $3.20 | Discretionary |
| Feb 16, 2010 | VLTR | $25.6K | Option Exercise | 8,000 | $3.20 | Discretionary |
| Feb 16, 2010 | VLTR | $191.1K | Sale | 8,500 | $22.48 | Discretionary |
| Feb 16, 2010 | VLTR | $179.8K | Sale | 8,000 | $22.48 | Discretionary |
| Jan 26, 2010 | VLTR | $89.6K | Option Exercise | 28,000 | $3.20 | Discretionary |
| Jan 26, 2010 | VLTR | $596.5K | Sale | 29,750 | $20.05 | Discretionary |
| Jan 26, 2010 | VLTR | $561.4K | Sale | 28,000 | $20.05 | Discretionary |
| Jan 14, 2010 | VLTR | $12.8K | Option Exercise | 4,000 | $3.20 | Discretionary |
| Jan 14, 2010 | VLTR | $71.6K | Sale | 4,000 | $17.89 | Discretionary |
| Jan 14, 2010 | VLTR | $76.0K | Sale | 4,250 | $17.89 | Discretionary |
| Dec 14, 2009 | VLTR | $12.8K | Option Exercise | 4,000 | $3.20 | Discretionary |
| Dec 14, 2009 | VLTR | $72.3K | Sale | 4,000 | $18.07 | Discretionary |
| Dec 14, 2009 | VLTR | $76.8K | Sale | 4,250 | $18.07 | Discretionary |
| Nov 16, 2009 | VLTR | $60.0K | Sale | 4,000 | $15.00 | Discretionary |
| Nov 16, 2009 | VLTR | $12.8K | Option Exercise | 4,000 | $3.20 | Discretionary |
| Nov 16, 2009 | VLTR | $63.8K | Sale | 4,250 | $15.00 | Discretionary |
| Oct 14, 2009 | VLTR | $73.3K | Sale | 4,000 | $18.33 | Discretionary |
| Oct 14, 2009 | VLTR | $12.8K | Option Exercise | 4,000 | $3.20 | Discretionary |
| Oct 14, 2009 | VLTR | $77.9K | Sale | 4,250 | $18.33 | Discretionary |
| Sep 14, 2009 | VLTR | $12.8K | Option Exercise | 4,000 | $3.20 | Discretionary |
| Sep 14, 2009 | VLTR | $78.6K | Sale | 4,250 | $18.50 | Discretionary |