Michael Tsang serves as Executive at SUPERTEX INC, where they oversee executive responsibilities. Since joining the company, Michael Tsang has executed 53 insider transactions totaling $1.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 10, 2014 involved exercising options for 10,500 shares valued at $218.9K.
Michael Tsang currently holds 10,500 shares of SUPERTEX INC (SUPX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael Tsang has been a net seller of SUPX stock. They have purchased $0 and sold $1.4M worth of shares.
Michael Tsang's most recent insider trade was on Feb 10, 2014, when they sold 10,500 shares at $20.85 per share.
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| $33.00 |
| Discretionary |
| Jan 30, 2014 | SUPX | $94.5K | Sale | 3,500 | $27.00 | Discretionary |
| Jan 30, 2014 | SUPX | $73.0K | Option Exercise | 3,500 | $20.85 | Discretionary |
| Jul 30, 2013 | SUPX | $189.0K | Sale | 7,000 | $27.00 | Discretionary |
| Jul 30, 2013 | SUPX | $145.9K | Option Exercise | 7,000 | $20.85 | Discretionary |
| Jul 29, 2013 | SUPX | $145.9K | Option Exercise | 7,000 | $20.85 | Discretionary |
| Jul 29, 2013 | SUPX | $185.5K | Sale | 7,000 | $26.50 | Discretionary |
| Jan 27, 2012 | SUPX | $95.0K | Sale | 5,000 | $19.00 | Discretionary |
| Jan 27, 2012 | SUPX | $87.0K | Option Exercise | 5,000 | $17.39 | Discretionary |
| Jul 29, 2010 | SUPX | $31.3K | Option Exercise | 2,000 | $15.67 | Discretionary |
| Jul 29, 2010 | SUPX | $52.0K | Sale | 2,000 | $26.00 | Discretionary |
| Jul 29, 2010 | SUPX | $50.5K | Sale | 2,000 | $25.25 | Discretionary |
| Jul 29, 2010 | SUPX | $34.7K | Option Exercise | 2,000 | $17.34 | Discretionary |
| May 26, 2009 | SUPX | $9.8K | Sale | 400 | $24.42 | Discretionary |
| May 26, 2009 | SUPX | $16.9K | Option Exercise | 1,500 | $11.30 | Discretionary |
| May 26, 2009 | SUPX | $4.9K | Sale | 200 | $24.40 | Discretionary |
| May 26, 2009 | SUPX | $14.6K | Sale | 600 | $24.27 | Discretionary |
| May 26, 2009 | SUPX | $2.4K | Sale | 100 | $24.26 | Discretionary |
| May 26, 2009 | SUPX | $2.4K | Sale | 100 | $24.33 | Discretionary |
| May 26, 2009 | SUPX | $2.4K | Sale | 100 | $24.42 | Discretionary |
| Jun 4, 2007 | SUPX | $17.3K | Option Exercise | 1,000 | $17.34 | Discretionary |
| Jun 4, 2007 | SUPX | $33.9K | Sale | 1,000 | $33.93 | Discretionary |
| Jun 4, 2007 | SUPX | $15.7K | Option Exercise | 1,000 | $15.67 | Discretionary |
| Jun 4, 2007 | SUPX | $33.9K | Sale | 1,000 | $33.91 | Discretionary |
| Dec 7, 2006 | SUPX | $39.4K | Sale | 900 | $43.76 | Discretionary |
| Dec 7, 2006 | SUPX | $4.4K | Sale | 100 | $43.77 | Discretionary |
| Dec 7, 2006 | SUPX | $15.7K | Option Exercise | 1,000 | $15.67 | Discretionary |
| Nov 20, 2006 | SUPX | $4.8K | Sale | 100 | $47.99 | Discretionary |
| Nov 20, 2006 | SUPX | $12.3K | Sale | 256 | $48.00 | Discretionary |