| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 24, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | 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 | 223,448 | Sep 28, 2010, 05:33 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 20, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Sep 22, 2010, 01:14 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 20, 2010 | Sale | $30.03 | 1,000 | 30,030 | 223,448 | Sep 22, 2010, 01:14 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 16, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Sep 20, 2010, 12:26 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 16, 2010 | Sale | $30.00 | 1,000 | 30,000 | 223,448 | Sep 20, 2010, 12:26 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 07, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Sep 09, 2010, 02:32 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 07, 2010 | Sale | $30.45 | 1,000 | 30,450 | 223,448 | Sep 09, 2010, 02:32 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 03, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Sep 07, 2010, 01:34 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Sep 03, 2010 | Sale | $30.00 | 1,000 | 30,000 | 223,448 | Sep 07, 2010, 01:34 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 23, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Aug 24, 2010, 02:18 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 23, 2010 | Sale | $30.00 | 1,000 | 30,000 | 223,448 | Aug 24, 2010, 02:18 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 17, 2010 | Sale | $32.50 | 500 | 16,250 | 223,448 | Aug 18, 2010, 12:24 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 17, 2010 | Option/RSU Exercise | $12.10 | 500 | 6,050 | 223,948 | Aug 18, 2010, 12:24 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 16, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Aug 17, 2010, 12:31 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 16, 2010 | Sale | $30.95 | 1,000 | 30,950 | 223,448 | Aug 17, 2010, 12:31 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 09, 2010 | Option/RSU Exercise | $12.10 | 2,000 | 24,200 | 225,448 | Aug 11, 2010, 11:31 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 09, 2010 | Sale | $34.03 | 2,000 | 68,066 | 223,448 | Aug 11, 2010, 11:31 AM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 03, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Aug 05, 2010, 02:36 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 03, 2010 | Sale | $37.50 | 1,000 | 37,500 | 223,448 | Aug 05, 2010, 02:36 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 02, 2010 | Option/RSU Exercise | $12.10 | 3,000 | 36,300 | 226,448 | Aug 04, 2010, 04:11 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Aug 02, 2010 | Sale | $35.33 | 3,000 | 105,995 | 223,448 | Aug 04, 2010, 04:11 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jul 26, 2010 | Sale | $36.57 | 4,000 | 146,287 | 223,448 | Jul 27, 2010, 09:24 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jul 26, 2010 | Option/RSU Exercise | $12.10 | 4,000 | 48,400 | 227,448 | Jul 27, 2010, 09:24 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jul 21, 2010 | Option/RSU Exercise | $12.10 | 1,000 | 12,100 | 224,448 | Jul 21, 2010, 07:51 PM | |
| POWI | POWER INTEGRATIONS INC | Balu Balakrishnan | President and CEO | Jul 21, 2010 | Sale | $35.24 | 1,000 | 35,240 | 223,448 | Jul 21, 2010, 07:51 PM |
