| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jun 06, 2011 | Sale | $36.88 | 3,000 | 110,625 | 246,152 | Jun 07, 2011, 04:52 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jun 02, 2011 | Option/RSU Exercise | $17.75 | 1,000 | 17,750 | 247,152 | Jun 03, 2011, 05:12 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jun 02, 2011 | Sale | $37.50 | 1,000 | 37,500 | 246,152 | Jun 03, 2011, 05:12 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 31, 2011 | Option/RSU Exercise | $17.75 | 3,000 | 53,250 | 249,152 | Jun 01, 2011, 01:59 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 31, 2011 | Sale | $36.55 | 3,000 | 109,647 | 246,152 | Jun 01, 2011, 01:59 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 23, 2011 | Option/RSU Exercise | $17.75 | 3,000 | 53,250 | 249,152 | May 25, 2011, 07:04 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 23, 2011 | Sale | $36.11 | 3,000 | 108,324 | 246,152 | May 25, 2011, 07:04 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 16, 2011 | Sale | $38.02 | 4,000 | 152,076 | 246,152 | May 17, 2011, 01:48 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 16, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | May 17, 2011, 01:48 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 09, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | May 10, 2011, 11:26 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 09, 2011 | Sale | $37.41 | 4,000 | 149,624 | 246,152 | May 10, 2011, 11:26 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 04, 2011 | Sale | $37.50 | 2,971 | 111,405 | 22,029 | May 06, 2011, 06:27 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 02, 2011 | Option/RSU Exercise | $17.75 | 7,000 | 124,250 | 253,152 | May 04, 2011, 08:02 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | May 02, 2011 | Sale | $40.06 | 7,000 | 280,451 | 246,152 | May 04, 2011, 08:02 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 29, 2011 | Option/RSU Exercise | $17.75 | 3,000 | 53,250 | 249,152 | May 02, 2011, 01:04 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 29, 2011 | Sale | $40.00 | 3,000 | 120,000 | 246,152 | May 02, 2011, 01:04 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 25, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Apr 26, 2011, 06:03 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 25, 2011 | Sale | $38.41 | 4,000 | 153,642 | 246,152 | Apr 26, 2011, 06:03 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 20, 2011 | Option/RSU Exercise | $17.75 | 1,000 | 17,750 | 247,152 | Apr 21, 2011, 07:42 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 20, 2011 | Sale | $37.50 | 1,000 | 37,500 | 246,152 | Apr 21, 2011, 07:42 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 18, 2011 | Option/RSU Exercise | $17.75 | 3,000 | 53,250 | 249,152 | Apr 20, 2011, 11:43 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 18, 2011 | Sale | $36.52 | 3,000 | 109,561 | 246,152 | Apr 20, 2011, 11:43 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 11, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Apr 13, 2011, 04:46 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 11, 2011 | Sale | $38.14 | 4,000 | 152,548 | 246,152 | Apr 13, 2011, 04:46 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 04, 2011 | Sale | $37.36 | 4,000 | 149,457 | 246,152 | Apr 05, 2011, 04:53 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Apr 04, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Apr 05, 2011, 04:53 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 28, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Mar 30, 2011, 12:49 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 28, 2011 | Sale | $38.81 | 4,000 | 155,233 | 246,152 | Mar 30, 2011, 12:49 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 21, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Mar 23, 2011, 12:26 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 21, 2011 | Sale | $37.51 | 4,000 | 150,035 | 246,152 | Mar 23, 2011, 12:26 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 14, 2011 | Sale | $38.03 | 4,000 | 152,103 | 246,152 | Mar 15, 2011, 11:39 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 14, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Mar 15, 2011, 11:39 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 09, 2011 | Option/RSU Exercise | $17.75 | 55 | 976 | 246,207 | Mar 11, 2011, 12:08 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 09, 2011 | Sale | $40.00 | 55 | 2,200 | 246,152 | Mar 11, 2011, 12:08 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 07, 2011 | Option/RSU Exercise | $17.75 | 4,000 | 71,000 | 250,152 | Mar 08, 2011, 11:54 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Mar 07, 2011 | Sale | $39.46 | 4,000 | 157,853 | 246,152 | Mar 08, 2011, 11:54 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 28, 2011 | Option/RSU Exercise | $17.75 | 7,000 | 124,250 | 253,152 | Mar 01, 2011, 12:46 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 28, 2011 | Sale | $40.06 | 7,000 | 280,421 | 246,152 | Mar 01, 2011, 12:46 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 22, 2011 | Option/RSU Exercise | $17.75 | 7,000 | 124,250 | 253,152 | Feb 23, 2011, 05:54 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 22, 2011 | Sale | $41.58 | 7,000 | 291,084 | 246,152 | Feb 23, 2011, 05:54 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 18, 2011 | Option/RSU Exercise | $17.75 | 2,966 | 52,647 | 249,118 | Feb 22, 2011, 12:19 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 18, 2011 | Sale | $42.50 | 2,966 | 126,055 | 246,152 | Feb 22, 2011, 12:19 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 17, 2011 | Option/RSU Exercise | $17.75 | 34 | 604 | 246,186 | Feb 18, 2011, 01:15 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 17, 2011 | Sale | $42.50 | 34 | 1,445 | 246,152 | Feb 18, 2011, 01:15 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 14, 2011 | Option/RSU Exercise | $17.75 | 7,000 | 124,250 | 243,186 | Feb 16, 2011, 12:38 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 14, 2011 | Sale | $41.92 | 7,000 | 293,467 | 236,186 | Feb 16, 2011, 12:38 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 08, 2011 | Tax Payment (Shares) | $40.51 | 6,034 | 244,431 | 34,966 | Feb 10, 2011, 08:14 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 07, 2011 | Option/RSU Exercise | $17.75 | 10,000 | 177,500 | 246,186 | Feb 09, 2011, 06:33 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 07, 2011 | Sale | $42.86 | 10,000 | 428,584 | 236,186 | Feb 09, 2011, 06:33 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 04, 2011 | Option/RSU Exercise | $15.43 | 36,000 | 555,403 | 262,919 | Feb 07, 2011, 06:39 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 04, 2011 | Sale | $42.28 | 36,000 | 1,522,003 | 236,186 | Feb 07, 2011, 06:39 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 31, 2011 | Option/RSU Exercise | $14.82 | 3,000 | 44,460 | 239,186 | Feb 02, 2011, 07:05 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 31, 2011 | Sale | $36.67 | 3,000 | 110,020 | 236,186 | Feb 02, 2011, 07:05 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 01, 2011 | Option/RSU Exercise | $14.82 | 1,000 | 14,820 | 237,186 | Feb 02, 2011, 07:05 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Feb 01, 2011 | Sale | $37.50 | 1,000 | 37,500 | 236,186 | Feb 02, 2011, 07:05 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 27, 2011 | Sale | $37.50 | 925 | 34,688 | 236,186 | Jan 31, 2011, 04:40 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 27, 2011 | Option/RSU Exercise | $14.82 | 925 | 13,708 | 237,111 | Jan 31, 2011, 04:40 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 26, 2011 | Option/RSU Exercise | $14.82 | 75 | 1,111 | 236,261 | Jan 28, 2011, 07:24 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 26, 2011 | Sale | $37.50 | 75 | 2,813 | 236,186 | Jan 28, 2011, 07:24 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 24, 2011 | Option/RSU Exercise | $14.82 | 3,000 | 44,460 | 239,186 | Jan 25, 2011, 02:16 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 24, 2011 | Sale | $36.30 | 3,000 | 108,888 | 236,186 | Jan 25, 2011, 02:16 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 18, 2011 | Sale | $40.65 | 7,000 | 284,519 | 236,186 | Jan 20, 2011, 12:04 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 18, 2011 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 243,186 | Jan 20, 2011, 12:04 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 10, 2011 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 243,186 | Jan 11, 2011, 04:59 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 10, 2011 | Sale | $39.91 | 7,000 | 279,382 | 236,186 | Jan 11, 2011, 04:59 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 03, 2011 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 243,186 | Jan 05, 2011, 05:56 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jan 03, 2011 | Sale | $40.22 | 7,000 | 281,524 | 236,186 | Jan 05, 2011, 05:56 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 27, 2010 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 243,186 | Dec 28, 2010, 05:47 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 27, 2010 | Sale | $40.68 | 7,000 | 284,792 | 236,186 | Dec 28, 2010, 05:47 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 22, 2010 | Option/RSU Exercise | $22.89 | 12,738 | 291,613 | 236,186 | Dec 23, 2010, 06:25 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 20, 2010 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 230,448 | Dec 21, 2010, 12:38 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 20, 2010 | Sale | $40.31 | 7,000 | 282,185 | 223,448 | Dec 21, 2010, 12:38 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 13, 2010 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 230,448 | Dec 14, 2010, 01:13 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 13, 2010 | Sale | $40.75 | 7,000 | 285,280 | 223,448 | Dec 14, 2010, 01:13 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 06, 2010 | Option/RSU Exercise | $14.82 | 7,000 | 103,740 | 230,448 | Dec 07, 2010, 11:27 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Dec 06, 2010 | Sale | $41.25 | 7,000 | 288,772 | 223,448 | Dec 07, 2010, 11:27 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 29, 2010 | Option/RSU Exercise | $21.06 | 7,000 | 147,417 | 230,294 | Dec 01, 2010, 10:52 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 29, 2010 | Sale | $39.89 | 7,000 | 279,200 | 223,448 | Dec 01, 2010, 10:52 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 24, 2010 | Sale | $39.96 | 23,000 | 919,082 | 223,448 | Nov 29, 2010, 01:01 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 24, 2010 | Option/RSU Exercise | $21.20 | 23,000 | 487,600 | 246,448 | Nov 29, 2010, 01:01 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 22, 2010 | Option/RSU Exercise | $21.20 | 4,000 | 84,800 | 227,448 | Nov 23, 2010, 12:36 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 22, 2010 | Sale | $38.24 | 4,000 | 152,960 | 223,448 | Nov 23, 2010, 12:36 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 15, 2010 | Option/RSU Exercise | $21.20 | 4,000 | 84,800 | 227,448 | Nov 17, 2010, 10:29 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 15, 2010 | Sale | $38.11 | 4,000 | 152,440 | 223,448 | Nov 17, 2010, 10:29 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 08, 2010 | Option/RSU Exercise | $15.91 | 29,000 | 461,501 | 240,294 | Nov 09, 2010, 06:13 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Nov 08, 2010 | Sale | $37.87 | 29,000 | 1,098,196 | 223,448 | Nov 09, 2010, 06:13 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 25, 2010 | Option/RSU Exercise | $12.10 | 2,000 | 24,200 | 225,448 | Oct 26, 2010, 12:23 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 25, 2010 | Sale | $32.96 | 2,000 | 65,920 | 223,448 | Oct 26, 2010, 12:23 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 18, 2010 | Option/RSU Exercise | $12.10 | 2,000 | 24,200 | 225,448 | Oct 19, 2010, 02:23 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 18, 2010 | Sale | $32.78 | 2,000 | 65,560 | 223,448 | Oct 19, 2010, 02:23 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 11, 2010 | Option/RSU Exercise | $12.10 | 2,000 | 24,200 | 225,448 | Oct 12, 2010, 05:26 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 11, 2010 | Sale | $31.99 | 2,000 | 63,970 | 223,448 | Oct 12, 2010, 05:26 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 04, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Oct 05, 2010, 04:21 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Oct 04, 2010 | Sale | $31.76 | 1,000 | 31,760 | 223,448 | Oct 05, 2010, 04:21 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 27, 2010 | Sale | $32.61 | 2,000 | 65,220 | 225,448 | Sep 29, 2010, 03:55 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 27, 2010 | Option/RSU Exercise | $12.10 | 2,000 | 24,200 | 225,448 | Sep 29, 2010, 03:55 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 27, 2010 | Sale | $32.61 | 2,000 | 65,220 | 223,448 | Sep 29, 2010, 03:55 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 27, 2010 | Option/RSU Exercise | $12.10 | 2,000 | 24,200 | 25,000 | Sep 29, 2010, 03:55 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 24, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 25,000 | Sep 28, 2010, 05:33 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 24, 2010 | Sale | $32.50 | 1,000 | 32,500 | 224,448 | Sep 28, 2010, 05:33 PM |
