Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Supertex Inc (SUPX) since 2010 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Supertex Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 730000.
Total stock buying since 2010: $55,363.
Total stock sales since 2010: $3,322,846.
Total stock option exercises since 2010: $2,380,138.
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| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2014 | 0 | $0 | 14,000 | $441,000 | 14,000 | $291,900 |
| 2013 | 0 | $0 | 40,214 | $1,055,491 | 20,000 | $408,960 |
| 2012 | 800 | $13,487 | 29,845 | $547,588 | 5,000 | $86,950 |
| 2011 | 1,000 | $18,716 | 37,520 | $717,417 | 48,000 | $818,879 |
| 2010 | 1,000 | $23,160 | 21,750 | $561,350 | 40,750 | $773,449 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2014-02 | 0 | $0 | 10,500 | $346,500 | 10,500 | $218,925 |
| 2014-01 | 0 | $0 | 3,500 | $94,500 | 3,500 | $72,975 |
| 2013-11 | 0 | $0 | 26,214 | $680,991 | 6,000 | $117,060 |
| 2013-07 | 0 | $0 | 14,000 | $374,500 | 14,000 | $291,900 |
| 2012-08 | 800 | $13,487 | 0 | $0 | 0 | $0 |
| 2012-06 | 0 | $0 | 9,000 | $165,275 | 0 | $0 |
| 2012-03 | 0 | $0 | 13,900 | $250,285 | 0 | $0 |
| 2012-02 | 0 | $0 | 1,945 | $37,028 | 0 | $0 |
| 2012-01 | 0 | $0 | 5,000 | $95,000 | 5,000 | $86,950 |
| 2011-08 | 600 | $10,946 | 33,620 | $641,289 | 34,000 | $580,039 |
| 2011-07 | 400 | $7,770 | 3,900 | $76,128 | 14,000 | $238,840 |
| 2010-11 | 0 | $0 | 0 | $0 | 8,000 | $138,720 |
| 2010-08 | 1,000 | $23,160 | 1,750 | $46,375 | 1,750 | $29,854 |
| 2010-07 | 0 | $0 | 5,000 | $128,500 | 5,000 | $83,080 |
| 2010-06 | 0 | $0 | 15,000 | $386,475 | 26,000 | $521,795 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2014-02-10 | Tsang Michael (VP, Operations & Product Eng) | Sale | 10,500 | 33.00 | 346,500 |
| 2014-02-10 | Tsang Michael (VP, Operations & Product Eng) | Option Ex | 10,500 | 20.85 | 218,925 |
| 2014-01-30 | Tsang Michael (VP, Operations & Product Eng) | Sale | 3,500 | 27.00 | 94,500 |
| 2014-01-30 | Tsang Michael (VP, Operations & Product Eng) | Option Ex | 3,500 | 20.85 | 72,975 |
| 2013-11-25 | Feng Milton (Director) | Sale | 6,000 | 25.35 | 152,100 |
| 2013-11-25 | Feng Milton (Director) | Option Ex | 6,000 | 19.51 | 117,060 |
| 2013-11-07 | Choy Benedict C K (Sr. VP, Technology Development) | Sale | 569 | 26.02 | 14,805 |
| 2013-11-06 | Choy Benedict C K (Sr. VP, Technology Development) | Sale | 17,645 | 26.15 | 461,346 |
| 2013-11-05 | Choy Benedict C K (Sr. VP, Technology Development) | Sale | 2,000 | 26.37 | 52,740 |
| 2013-07-30 | Tsang Michael (VP, Operations & Product Eng.) | Sale | 7,000 | 27.00 | 189,000 |
| 2013-07-30 | Tsang Michael (VP, Operations & Product Eng.) | Option Ex | 7,000 | 20.85 | 145,950 |
| 2013-07-29 | Tsang Michael (VP, Operations & Product Eng.) | Sale | 7,000 | 26.50 | 185,500 |
| 2013-07-29 | Tsang Michael (VP, Operations & Product Eng.) | Option Ex | 7,000 | 20.85 | 145,950 |
| 2012-08-31 | Kagel Phil (VP, Finance & CFO) | Buy | 400 | 17.14 | 6,856 |
| 2012-08-02 | Kagel Phil (VP, Finance & CFO) | Buy | 400 | 16.58 | 6,631 |
| 2012-06-14 | Choy Benedict C K (Sr. VP, Tech Development) | Sale | 3,895 | 18.01 | 70,152 |
| 2012-06-13 | Choy Benedict C K (Sr. VP, Tech Development) | Sale | 5 | 18.04 | 90 |
| 2012-06-12 | Choy Benedict C K (Sr. VP, Technology Development) | Sale | 2,000 | 18.38 | 36,756 |
| 2012-06-11 | Choy Benedict C K (Sr. VP, Tech Development) | Sale | 100 | 18.57 | 1,857 |
| 2012-06-08 | Choy Benedict C K (Sr. VP, Tech Development) | Sale | 1,000 | 18.80 | 18,800 |
| 2012-06-07 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 1,000 | 18.92 | 18,920 |
| 2012-06-05 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 1,000 | 18.70 | 18,700 |
| 2012-03-14 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 2,694 | 17.92 | 48,273 |
| 2012-03-13 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 3,705 | 18.04 | 66,827 |
| 2012-03-12 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 5,500 | 18.02 | 99,087 |
| 2012-03-09 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 2,001 | 18.04 | 36,098 |
| 2012-02-13 | Choy Benedict C K (Senior VP, Tech Development) | Sale | 1,945 | 19.04 | 37,028 |
| 2012-01-27 | Tsang Michael (VP, Operations & Product Eng) | Sale | 5,000 | 19.00 | 95,000 |
| 2012-01-27 | Tsang Michael (VP, Operations & Product Eng) | Option Ex | 5,000 | 17.39 | 86,950 |
| 2011-08-31 | Schlam Elliott (Director) | Sale | 10,000 | 19.66 | 196,620 |
| 2011-08-31 | Schlam Elliott (Director) | Option Ex | 10,000 | 17.06 | 170,600 |
| 2011-08-26 | Feng Milton (Director) | Sale | 6,000 | 18.49 | 110,939 |
| 2011-08-26 | Feng Milton (Director) | Option Ex | 6,000 | 17.06 | 102,359 |
| 2011-08-26 | Ingram William P (VP, Wafer Fab Operations) | Sale | 1,000 | 19.22 | 19,217 |
| 2011-08-26 | Ingram William P (VP, Wafer Fab Operations) | Option Ex | 1,000 | 17.06 | 17,060 |
| 2011-08-25 | Petersen William (VP, Worldwide Sales) | Sale | 4,000 | 19.13 | 76,504 |
| 2011-08-25 | Petersen William (VP, Worldwide Sales) | Option Ex | 4,000 | 17.06 | 68,240 |
| 2011-08-23 | Loveless W Mark (Director) | Sale | 9,620 | 18.83 | 181,106 |
| 2011-08-23 | Loveless W Mark (Director) | Option Ex | 10,000 | 17.06 | 170,600 |
| 2011-08-23 | Ingram William P (VP, Wafer Fab Operations) | Sale | 2,000 | 19.05 | 38,090 |
| 2011-08-23 | Ingram William P (VP, Wafer Fab Operations) | Option Ex | 2,000 | 17.06 | 34,120 |
| 2011-08-18 | Kagel Phil (VP, Finance & CFO) | Buy | 300 | 18.22 | 5,466 |
| 2011-08-16 | Ingram William P (Vice President Fab Operations) | Sale | 1,000 | 18.81 | 18,813 |
| 2011-08-16 | Ingram William P (Vice President Fab Operations) | Option Ex | 1,000 | 17.06 | 17,060 |
| 2011-08-09 | Kagel Phil (VP, Finance & CFO) | Buy | 300 | 18.27 | 5,480 |
| 2011-07-29 | Kagel Phil (VP, Finance & CFO) | Buy | 300 | 19.40 | 5,820 |
| 2011-07-29 | Pao Henry (President and CEO) | Option Ex | 10,000 | 17.06 | 170,600 |
| 2011-07-28 | Ingram William P (VP, Wafer Fab Operations) | Buy | 100 | 19.50 | 1,950 |
| 2011-07-28 | Ingram William P (VP, Wafer Fab Operations) | Sale | 3,900 | 19.52 | 76,128 |
| 2011-07-28 | Ingram William P (VP, Wafer Fab Operations) | Option Ex | 4,000 | 17.06 | 68,240 |
| 2010-11-30 | Lee Michael James (VP, IC Design) | Option Ex | 8,000 | 17.34 | 138,720 |
| 2010-08-12 | Kagel Phil (VP, Finance & CFO) | Buy | 1,000 | 23.16 | 23,160 |
| 2010-08-02 | Deguzman Hernan (VP, Marketing) | Sale | 1,750 | 26.50 | 46,375 |
| 2010-08-02 | Deguzman Hernan (VP, Marketing) | Option Ex | 1,750 | 17.06 | 29,854 |
| 2010-07-30 | Deguzman Hernan (VP, Marketing) | Sale | 1,000 | 26.00 | 26,000 |
| 2010-07-30 | Deguzman Hernan (VP, Marketing) | Option Ex | 1,000 | 17.06 | 17,060 |
| 2010-07-29 | Tsang Michael (VP, Standard Products) | Sale | 4,000 | 25.62 | 102,500 |
| 2010-07-29 | Tsang Michael (VP, Standard Products) | Option Ex | 4,000 | 16.50 | 66,020 |
| 2010-06-14 | Masood Ahmed (VP, Marketing) | Sale | 15,000 | 25.77 | 386,475 |
| 2010-06-14 | Masood Ahmed (VP, Marketing) | Option Ex | 15,000 | 20.43 | 306,525 |
| 2010-06-11 | Masood Ahmed (VP, Marketing) | Option Ex | 11,000 | 19.57 | 215,270 |
Insider trading activities including stock purchases, stock sales, and option exercises of SUPX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Supertex Inc (symbol SUPX, CIK number 730000) see the Securities and Exchange Commission (SEC) website.