CHOY BENEDICT C K Insider Trading
Get the latest insider transactions of CHOY BENEDICT C K. CHOY BENEDICT C K is Senior Vice President in SUPERTEX INC ($SUPX) and Senior Vice President, Technol in SUPERTEX INC ($SUPX) and Senior VP, Tech Development in SUPERTEX INC ($SUPX) and Sr. VP, Tech Development in SUPERTEX INC ($SUPX) and Sr. VP, Technology Development in SUPERTEX INC ($SUPX). Discover the current value of CHOY BENEDICT C K shares.
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CHOY BENEDICT C K is Insider in these Companies
| Ticker | Company Name | Current and Previous Positions | Total Shares | Current Value ($) |
|---|---|---|---|---|
| SUPX | SUPERTEX INC | Sr. VP, Tech Development, Senior VP, Tech Development, Sr. VP, Technology Development, Senior Vice President, Technol, Senior Vice President | 63,686 | 0.00 |
Insider Trading Transactions of CHOY BENEDICT C K
| Date | Ticker | Company | Owner | Relationship | Transaction | Cost ($) | Shares | Transaction Value ($) | Total Shares |
|---|---|---|---|---|---|---|---|---|---|
| Nov 08 2013 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 26.15 | 17,645 | 461,353 | 64,255 |
| Nov 08 2013 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 26.02 | 569 | 14,805 | 63,686 |
| Nov 07 2013 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 26.37 | 2,000 | 52,740 | 81,900 |
| Jun 19 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Tech Developm ... | Sell | 18.80 | 1,000 | 18,800 | 147,610 |
| Jun 19 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Tech Developm ... | Sell | 18.57 | 100 | 1,857 | 147,510 |
| Jun 19 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Tech Developm ... | Sell | 18.04 | 5 | 90 | 147,505 |
| Jun 19 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Tech Developm ... | Buy | 18.01 | 3,895 | 70,151 | 143,610 |
| Jun 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 18.53 | 81 | 1,501 | 150,529 |
| Jun 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 18.29 | 300 | 5,487 | 150,229 |
| Jun 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 18.29 | 619 | 11,323 | 149,610 |
| Jun 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Sell | 18.40 | 1,000 | 18,400 | 148,610 |
| Jun 11 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.70 | 1,000 | 18,700 | 151,610 |
| Jun 11 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.92 | 1,000 | 18,920 | 150,610 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.07 | 205 | 3,704 | 158,804 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.05 | 500 | 9,025 | 158,304 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.04 | 191 | 3,446 | 158,113 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.04 | 209 | 3,770 | 157,904 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.05 | 100 | 1,805 | 157,804 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.02 | 500 | 9,010 | 157,304 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.03 | 500 | 9,015 | 156,804 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.02 | 500 | 9,010 | 156,304 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.00 | 900 | 16,200 | 155,404 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.05 | 100 | 1,805 | 155,304 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.88 | 294 | 5,257 | 155,010 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.87 | 200 | 3,574 | 154,810 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.90 | 300 | 5,370 | 154,510 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.91 | 300 | 5,373 | 154,210 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.91 | 400 | 7,165 | 153,810 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.90 | 400 | 7,160 | 153,410 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 17.90 | 300 | 5,370 | 153,110 |
| Mar 15 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.08 | 500 | 9,040 | 152,610 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.04 | 2,001 | 36,098 | 164,509 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.02 | 500 | 9,010 | 164,009 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.04 | 500 | 9,020 | 163,509 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.02 | 500 | 9,010 | 163,009 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.03 | 500 | 9,015 | 162,509 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.01 | 500 | 9,005 | 162,009 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.00 | 400 | 7,200 | 161,609 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.02 | 100 | 1,802 | 161,509 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.00 | 1,000 | 18,000 | 160,509 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.00 | 500 | 9,001 | 160,009 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.01 | 500 | 9,005 | 159,509 |
| Mar 13 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.02 | 500 | 9,010 | 159,009 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.96 | 1,016 | 19,263 | 167,439 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.02 | 100 | 1,902 | 167,339 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.10 | 100 | 1,910 | 167,239 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.09 | 300 | 5,727 | 166,939 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.02 | 100 | 1,902 | 166,839 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.09 | 100 | 1,909 | 166,739 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.03 | 29 | 552 | 166,710 |
| Feb 14 2012 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 18.99 | 200 | 3,798 | 166,510 |
| Sep 06 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Option Exercise | 19.51 | 10,000 | 195,100 | 75,000 |
| Sep 06 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Option Exercise | 19.51 | 10,000 | 195,100 | 85,000 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Buy | 17.06 | 10,000 | 170,600 | 178,455 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.03 | 200 | 4,006 | 178,255 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.06 | 200 | 4,012 | 178,055 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.02 | 100 | 2,002 | 177,955 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.00 | 100 | 2,000 | 177,855 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.02 | 400 | 8,008 | 177,455 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.03 | 100 | 2,003 | 177,355 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.00 | 100 | 2,000 | 177,255 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.02 | 100 | 2,002 | 177,155 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.00 | 100 | 2,000 | 177,055 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.03 | 100 | 2,003 | 176,955 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.95 | 1,500 | 29,925 | 175,455 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.04 | 59 | 1,182 | 175,396 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.95 | 100 | 1,995 | 175,296 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.98 | 100 | 1,998 | 175,196 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.04 | 100 | 2,004 | 175,096 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.98 | 100 | 1,998 | 174,996 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 20.04 | 190 | 3,808 | 174,806 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Sell | 19.95 | 6,351 | 126,702 | 168,455 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Option Exercise | 17.06 | 5,000 | 85,300 | 70,000 |
| Aug 03 2011 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior VP, Tech Devel ... | Option Exercise | 17.06 | 5,000 | 85,300 | 65,000 |
| Dec 15 2008 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Sr. VP, Technology De ... | Option Exercise | 20.85 | 50,000 | 1,042,500 | 75,000 |
| Feb 12 2008 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 35.86 | 15,000 | 537,900 | 25,000 |
| Feb 01 2008 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 10.75 | 9,000 | 96,750 | 168,455 |
| Feb 01 2008 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 10.75 | 9,000 | 96,750 | 25,000 |
| Nov 28 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 35.12 | 8,569 | 300,943 | 159,455 |
| Nov 16 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 35.03 | 3,531 | 123,691 | 168,024 |
| Aug 23 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 34.94 | 5,000 | 174,716 | 171,555 |
| May 15 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 10.75 | 9,000 | 96,750 | 156,555 |
| May 15 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 12.53 | 20,000 | 250,600 | 176,555 |
| May 15 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 10.75 | 9,000 | 96,750 | 20,000 |
| May 15 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 12.53 | 20,000 | 250,600 | 0 |
| Feb 22 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 40.58 | 10,000 | 405,809 | 147,555 |
| Jan 12 2007 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President ... | Sell | 39.25 | 2,500 | 98,125 | 157,555 |
| Nov 22 2006 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President ... | Sell | 47.00 | 7,286 | 342,442 | 160,055 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.95 | 198 | 8,900 | 192,143 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.78 | 802 | 35,916 | 191,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.93 | 1,000 | 44,931 | 190,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.94 | 1,000 | 44,941 | 189,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.95 | 1,000 | 44,950 | 188,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.96 | 1,000 | 44,961 | 187,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 45.00 | 1,000 | 45,001 | 186,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 45.05 | 2,000 | 90,100 | 184,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 45.10 | 1,000 | 45,100 | 183,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.93 | 2,000 | 89,860 | 181,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.95 | 2,000 | 89,903 | 179,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 45.00 | 2,000 | 90,007 | 177,341 |
| Dec 09 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 44.73 | 10,000 | 447,302 | 167,341 |
| Nov 17 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 10.75 | 27,000 | 290,250 | 199,307 |
| Nov 17 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 41.68 | 6,963 | 290,218 | 192,341 |
| Nov 17 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 10.75 | 27,000 | 290,250 | 13,000 |
| Nov 02 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 37.00 | 250 | 9,250 | 182,054 |
| Nov 02 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 37.37 | 9,750 | 364,358 | 172,304 |
| Oct 27 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 37.01 | 5,000 | 185,030 | 187,304 |
| Oct 27 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 37.32 | 5,000 | 186,600 | 182,304 |
| Aug 25 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 27.75 | 1,000 | 27,750 | 202,605 |
| Aug 19 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 26.60 | 2,000 | 53,200 | 203,605 |
| Aug 04 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 15.50 | 20,000 | 310,000 | 216,981 |
| Aug 04 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 27.25 | 11,376 | 309,996 | 205,605 |
| Aug 04 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 15.50 | 20,000 | 310,000 | 40,000 |
| Aug 02 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 27.35 | 2,000 | 54,700 | 196,981 |
| Mar 07 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.61 | 2,000 | 39,220 | 198,891 |
| Mar 02 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.53 | 1,000 | 19,530 | 200,891 |
| Feb 15 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.93 | 1,000 | 20,930 | 201,891 |
| Feb 08 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.44 | 5,000 | 102,200 | 199,590 |
| Feb 08 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 10.75 | 7,000 | 75,250 | 206,590 |
| Feb 08 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.85 | 3,609 | 75,248 | 202,891 |
| Feb 08 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 10.75 | 7,000 | 75,250 | 44,000 |
| Feb 03 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.00 | 1,000 | 19,000 | 206,590 |
| Feb 03 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.10 | 2,000 | 38,200 | 204,590 |
| Feb 01 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 18.52 | 1,256 | 23,261 | 209,590 |
| Feb 01 2005 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.00 | 2,000 | 38,000 | 207,590 |
| Oct 29 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.85 | 5,000 | 104,250 | 210,846 |
| Oct 22 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.65 | 5,000 | 103,250 | 215,846 |
| Sep 02 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 17.06 | 10,000 | 170,600 | 5 |
| Aug 24 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 16.63 | 2,000 | 33,260 | 222,846 |
| Aug 24 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 16.65 | 2,000 | 33,300 | 220,846 |
| Feb 11 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.96 | 8,015 | 167,994 | 211,546 |
| Feb 11 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 12.00 | 10,000 | 120,000 | 221,546 |
| Feb 11 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 12.00 | 4,000 | 48,000 | 225,546 |
| Feb 11 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 20.78 | 700 | 14,546 | 224,846 |
| Feb 11 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 12.00 | 10,000 | 120,000 | 5 |
| Feb 11 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 12.00 | 4,000 | 48,000 | 4 |
| Jan 23 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 21.25 | 1,700 | 36,123 | 219,561 |
| Jan 23 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 21.25 | 1,700 | 36,123 | 219,561 |
| Jan 21 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 21.24 | 1,500 | 31,865 | 221,261 |
| Jan 20 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 21.09 | 2,800 | 59,048 | 222,761 |
| Jan 16 2004 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 21.02 | 2,200 | 46,250 | 225,561 |
| Nov 12 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.15 | 400 | 7,660 | 227,761 |
| Nov 10 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.15 | 100 | 1,915 | 228,161 |
| Nov 05 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.15 | 231 | 4,424 | 229,374 |
| Nov 05 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Sell | 19.15 | 1,113 | 21,314 | 228,261 |
| Nov 04 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 13.59 | 301 | 4,091 | 229,605 |
| Oct 17 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Buy | 12.00 | 12,000 | 144,000 | 229,304 |
| Oct 17 2003 | SUPX | SUPERTEX INC | CHOY BENEDICT C K | Senior Vice President | Option Exercise | 12.00 | 12,000 | 144,000 | 6 |