William Numann serves as Executive at VOLTERRA SEMICONDUCTOR CORP, where they oversee executive responsibilities. Since joining the company, William Numann has executed 50 insider transactions totaling $3.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 1, 2013 involved selling 1,712 shares valued at $0.
William Numann currently holds 23,910 shares of VOLTERRA SEMICONDUCTOR CORP (VLTR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Numann has been a net seller of VLTR stock. They have purchased $0 and sold $3.6M worth of shares.
William Numann's most recent insider trade was on Oct 1, 2013, when they sold 1,712 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Oct 1, 2013 | VLTR | $0 | Disposition | 1,712 | $N/A | Discretionary |
| Oct 1, 2013 | VLTR | $0 | Disposition | 23,910 | $N/A | Discretionary |
| Mar 15, 2013 | VLTR | $295.8K | Sale | 20,000 | $14.79 | Discretionary |
| Mar 14, 2013 | VLTR | $106.2K | Sale | 7,078 | $15.00 | Discretionary |
| Mar 14, 2013 | VLTR | $95.2K | Option Exercise | 7,078 | $13.45 | Discretionary |
| Mar 13, 2013 | VLTR | $43.9K | Sale | 2,922 | $15.01 | Discretionary |
| Mar 13, 2013 | VLTR | $39.3K | Option Exercise | 2,922 | $13.45 | Discretionary |
| Aug 21, 2012 | VLTR | $24.8K | Option Exercise | 3,459 | $7.16 | Discretionary |
| Aug 21, 2012 | VLTR | $88.2K | Sale | 3,459 | $25.50 | Discretionary |
| Aug 17, 2012 | VLTR | $13.8K | Sale | 541 | $25.50 | Discretionary |
| Aug 17, 2012 | VLTR | $3.9K | Option Exercise | 541 | $7.16 | Discretionary |
| Aug 10, 2012 | VLTR | $28.6K | Option Exercise | 4,000 | $7.16 | Discretionary |
| Aug 10, 2012 | VLTR | $99.0K | Sale | 4,000 | $24.75 | Discretionary |
| Apr 30, 2012 | VLTR | $73.8K | Option Exercise | 5,000 | $14.76 | Discretionary |
| Apr 30, 2012 | VLTR | $164.3K | Sale | 5,000 | $32.86 | Discretionary |
| Mar 15, 2012 | VLTR | $192.4K | Sale | 6,000 | $32.06 | Discretionary |
| Jan 17, 2012 | VLTR | $171.6K | Sale | 6,600 | $26.00 | Discretionary |
| Dec 30, 2011 | VLTR | $171.6K | Sale | 6,600 | $26.00 | Discretionary |
| Nov 15, 2011 | VLTR | $165.0K | Sale | 6,600 | $25.00 | Discretionary |
| Oct 27, 2011 | VLTR | $330.0K | Sale | 13,200 | $25.00 | Discretionary |
| Aug 23, 2011 | VLTR | $100.0K | Option Exercise | 20,000 | $5.00 | Discretionary |
| Aug 15, 2011 | VLTR | $165.0K | Sale | 6,600 | $25.00 | Discretionary |
| Jul 26, 2011 | VLTR | $165.0K | Sale | 6,600 | $25.00 | Discretionary |
| Jul 19, 2011 | VLTR | $50.0K | Option Exercise | 10,000 | $5.00 | Discretionary |
| Jul 7, 2011 | VLTR | $50.0K | Option Exercise | 10,000 | $5.00 | Discretionary |
| Jul 7, 2011 | VLTR | $50.0K | Option Exercise | 10,000 | $5.00 | Discretionary |
| Jul 1, 2011 | VLTR | $50.0K | Option Exercise | 10,000 | $5.00 | Discretionary |
| Jul 1, 2011 | VLTR | $50.0K | Option Exercise | 10,000 | $5.00 | Discretionary |