Insider Trading activities of Power Integrations Inc insiders. , Part 8

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Power Integrations Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Power Integrations Inc since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Power Integrations Inc since 2005. The reporting company's ticker symbol is POWI. The reporting company's CIK number is 833640.
The total value of stock buying since 2005 is $256,452.
The total value of stock sales since 2005 is $200,498,363.
The total value of stock option exercises since 2005 is $78,793,546.



Table 2. Detailed insider stock purchases, sales, and option exercises of Power Integrations Inc insiders (POWI) , Part 8
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2010-04-05 Balakrishnan Balu (President and CEO) Option Ex 7,000 12.10 84,700
2010-04-01 Bailey Doug (VP Marketing) Sale 11,000 41.19 453,134
2010-04-01 Bailey Doug (VP Marketing) Option Ex 11,000 22.04 242,440
2010-04-01 Tomlin John (VP of Operations) Sale 3,750 41.46 155,475
2010-04-01 Tomlin John (VP of Operations) Option Ex 3,750 17.18 64,425
2010-03-29 Bell Derek (VP of Engineering) Sale 3,000 40.16 120,465
2010-03-29 Bell Derek (VP of Engineering) Option Ex 3,000 14.82 44,460
2010-03-29 Balakrishnan Balu (President and CEO) Sale 7,000 40.17 281,197
2010-03-29 Balakrishnan Balu (President and CEO) Option Ex 7,000 12.10 84,700
2010-03-23 Bailey Doug (VP Marketing) Sale 2,000 42.00 84,000
2010-03-23 Bailey Doug (VP Marketing) Option Ex 2,000 19.73 39,460
2010-03-23 Roeschlein Bill (Chief Financial Officer) Sale 1,000 42.00 42,000
2010-03-23 Roeschlein Bill (Chief Financial Officer) Option Ex 1,000 21.14 21,140
2010-03-22 Bell Derek (VP of Engineering) Sale 3,000 41.26 123,771
2010-03-22 Bell Derek (VP of Engineering) Option Ex 3,000 14.82 44,460
2010-03-22 Balakrishnan Balu (President and CEO) Sale 7,000 41.37 289,562
2010-03-22 Balakrishnan Balu (President and CEO) Option Ex 7,000 12.10 84,700
2010-03-17 Roeschlein Bill (Chief Financial Officer) Sale 1,000 41.50 41,500
2010-03-17 Roeschlein Bill (Chief Financial Officer) Option Ex 1,000 21.14 21,140
2010-03-17 Balakrishnan Balu (President and CEO) Sale 15,000 41.40 621,060
2010-03-16 Roeschlein Bill (Chief Financial Officer) Sale 2,000 40.75 81,500
2010-03-16 Roeschlein Bill (Chief Financial Officer) Option Ex 2,000 21.14 42,280
2010-03-15 Bailey Doug (VP Marketing) Sale 2,000 40.00 80,000
2010-03-15 Bailey Doug (VP Marketing) Option Ex 2,000 21.14 42,280
2010-03-15 Roeschlein Bill (Chief Financial Officer) Sale 1,000 40.00 40,000
2010-03-15 Roeschlein Bill (Chief Financial Officer) Option Ex 1,000 21.14 21,140
2010-03-15 Bell Derek (VP of Engineering) Sale 3,000 39.75 119,256
2010-03-15 Bell Derek (VP of Engineering) Option Ex 3,000 14.82 44,460
2010-03-15 Balakrishnan Balu (President and CEO) Sale 22,200 39.96 887,156
2010-03-15 Balakrishnan Balu (President and CEO) Option Ex 22,200 12.10 268,620
2010-03-12 Tomlin John (VP of Operations) Sale 3,750 39.75 149,055
2010-03-12 Tomlin John (VP of Operations) Option Ex 3,750 17.18 64,425
2010-03-12 Balakrishnan Balu (President and CEO) Sale 4,800 39.92 191,596
2010-03-12 Balakrishnan Balu (President and CEO) Option Ex 4,800 12.10 58,080
2010-03-10 Bell Derek (VP of Engineering) Sale 3,000 38.60 115,787
2010-03-10 Bell Derek (VP of Engineering) Option Ex 3,000 14.82 44,460
2010-03-08 Balakrishnan Balu (President and CEO) Sale 8,992 38.73 348,305
2010-03-08 Balakrishnan Balu (President and CEO) Option Ex 4,000 12.10 48,400
2010-03-05 Balakrishnan Balu (President and CEO) Sale 8,384 38.81 325,408
2010-03-02 Bailey Doug (VP Marketing) Sale 2,000 39.00 78,000
2010-03-02 Bailey Doug (VP Marketing) Option Ex 2,000 19.73 39,460
2010-03-01 Bailey Doug (VP Marketing) Sale 7,000 37.20 260,400
2010-03-01 Bailey Doug (VP Marketing) Option Ex 7,000 22.49 157,430
2010-03-01 Balakrishnan Balu (President and CEO) Sale 19,000 37.56 713,602
2010-03-01 Balakrishnan Balu (President and CEO) Option Ex 19,000 12.10 229,900
2010-02-26 Bailey Doug (VP Marketing) Sale 4,798 36.00 172,742
2010-02-26 Bailey Doug (VP Marketing) Option Ex 4,798 19.73 94,664
2010-02-25 Bailey Doug (VP Marketing) Sale 200 36.00 7,200
2010-02-25 Bailey Doug (VP Marketing) Option Ex 200 19.73 3,946
2010-02-24 Bailey Doug (VP Marketing) Sale 2 36.00 72
2010-02-24 Bailey Doug (VP Marketing) Option Ex 2 19.73 39
2010-02-24 Roeschlein Bill (Chief Financial Officer) Sale 2,000 35.83 71,666
2010-02-24 Bell Derek (VP of Engineering) Sale 3,000 35.71 107,133
2010-02-23 Tomlin John (VP of Operations) Sale 4,976 35.02 174,259
2010-02-22 Roeschlein Bill (Chief Financial Officer) Sale 1,888 35.50 67,025
2010-02-22 Balakrishnan Balu (President and CEO) Sale 3,000 35.47 106,410
2010-02-22 Balakrishnan Balu (President and CEO) Option Ex 3,000 12.10 36,300
2010-02-19 Roeschlein Bill (Chief Financial Officer) Sale 2,000 35.25 70,500
2010-02-16 Renouard Bruce (VP Worldwide Sales) Sale 4,975 35.01 174,174
2010-02-16 Balakrishnan Balu (President and CEO) Sale 3,000 35.08 105,252
2010-02-16 Balakrishnan Balu (President and CEO) Option Ex 3,000 12.10 36,300
2010-02-12 Bell Derek (VP of Engineering) Sale 3,770 35.00 131,950
2010-02-12 Bell Derek (VP of Engineering) Option Ex 3,770 12.10 45,617
2010-02-12 Balakrishnan Balu (President and CEO) Sale 1,000 35.00 35,000
2010-02-12 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2010-02-10 Bailey Doug (VP Marketing) Sale 4,252 34.05 144,780
2010-02-09 Bailey Doug (VP Marketing) Sale 463 32.19 14,903
2010-02-09 Bell Derek (VP of Engineering) Sale 5,184 32.75 169,776
2010-02-08 Bell Derek (VP of Engineering) Sale 2,000 32.88 65,760
2010-02-08 Bell Derek (VP of Engineering) Option Ex 2,000 12.10 24,200
2010-02-08 Balakrishnan Balu (President and CEO) Sale 2,000 32.80 65,602
2010-02-08 Balakrishnan Balu (President and CEO) Option Ex 2,000 12.10 24,200
2010-02-04 Bell Derek (VP of Engineering) Sale 1,000 33.14 33,140
2010-02-04 Bell Derek (VP of Engineering) Option Ex 1,000 12.10 12,100
2010-02-04 Balakrishnan Balu (President and CEO) Sale 1,000 33.14 33,140
2010-02-04 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2010-02-01 Bell Derek (VP of Engineering) Sale 1,000 31.26 31,257
2010-02-01 Bell Derek (VP of Engineering) Option Ex 1,000 12.10 12,100
2010-02-01 Balakrishnan Balu (President and CEO) Sale 1,000 31.21 31,215
2010-02-01 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2010-01-25 Bell Derek (VP of Engineering) Sale 1,000 32.23 32,234
2010-01-25 Bell Derek (VP of Engineering) Option Ex 1,000 12.10 12,100
2010-01-25 Balakrishnan Balu (President and CEO) Sale 2,000 32.37 64,733
2010-01-25 Balakrishnan Balu (President and CEO) Option Ex 2,000 15.06 30,126
2010-01-19 Bell Derek (VP of Engineering) Sale 2,000 33.92 67,838
2010-01-19 Bell Derek (VP of Engineering) Option Ex 2,000 12.10 24,200
2010-01-19 Balakrishnan Balu (President and CEO) Sale 2,000 33.89 67,772
2010-01-19 Balakrishnan Balu (President and CEO) Option Ex 2,000 15.06 30,126
2010-01-11 Bell Derek (VP of Engineering) Sale 3,000 36.12 108,357
2010-01-11 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2010-01-11 Balakrishnan Balu (President and CEO) Sale 3,000 36.12 108,350
2010-01-11 Balakrishnan Balu (President and CEO) Option Ex 3,000 15.06 45,189
2010-01-04 Bailey Doug (VP Marketing) Sale 5,000 36.71 183,535
2010-01-04 Bailey Doug (VP Marketing) Option Ex 5,000 19.73 98,650
2010-01-04 Bell Derek (VP of Engineering) Sale 3,000 36.67 110,004
2010-01-04 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2010-01-04 Balakrishnan Balu (President and CEO) Sale 3,000 36.66 109,983
2010-01-04 Balakrishnan Balu (President and CEO) Option Ex 3,000 15.06 45,189
2009-12-28 Bell Derek (VP of Engineering) Sale 3,000 36.22 108,671
2009-12-28 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-12-28 Balakrishnan Balu (President and CEO) Sale 3,000 36.21 108,618
2009-12-28 Balakrishnan Balu (President and CEO) Option Ex 3,000 15.06 45,189
2009-12-21 Bell Derek (VP of Engineering) Sale 3,000 35.77 107,310
2009-12-21 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-12-21 Balakrishnan Balu (President and CEO) Sale 3,000 35.75 107,259
2009-12-21 Balakrishnan Balu (President and CEO) Option Ex 3,000 15.06 45,189
2009-12-14 Bell Derek (VP of Engineering) Sale 3,000 35.39 106,173
2009-12-14 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-12-14 Balakrishnan Balu (President and CEO) Sale 3,000 35.34 106,011
2009-12-14 Balakrishnan Balu (President and CEO) Option Ex 3,000 15.06 45,189
2009-12-07 Bell Derek (VP of Engineering) Sale 3,000 36.50 109,509
2009-12-07 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-12-07 Balakrishnan Balu (President and CEO) Sale 3,000 36.50 109,500
2009-12-07 Balakrishnan Balu (President and CEO) Option Ex 3,000 15.06 45,189
2009-12-04 Bailey Doug (VP Marketing) Sale 5,000 36.00 180,000
2009-12-04 Bailey Doug (VP Marketing) Option Ex 5,000 19.73 98,650
2009-12-02 Bell Derek (VP of Engineering) Sale 1,000 35.00 35,000
2009-12-02 Bell Derek (VP of Engineering) Option Ex 1,000 12.10 12,100
2009-12-02 Balakrishnan Balu (President and CEO) Sale 1,000 35.00 35,000
2009-12-02 Balakrishnan Balu (President and CEO) Option Ex 1,000 15.06 15,063
2009-11-30 Roeschlein Bill (Chief Financial Officer) Sale 2,250 33.54 75,469
2009-11-30 Roeschlein Bill (Chief Financial Officer) Option Ex 2,250 21.14 47,565
2009-11-30 Renouard Bruce (VP Worldwide Sales) Sale 10,000 33.22 332,170
2009-11-30 Renouard Bruce (VP Worldwide Sales) Option Ex 10,000 14.82 148,200
2009-11-30 Bell Derek (VP of Engineering) Sale 2,000 33.37 66,744
2009-11-30 Bell Derek (VP of Engineering) Option Ex 2,000 12.10 24,200
2009-11-30 Balakrishnan Balu (President and CEO) Sale 2,000 33.38 66,754
2009-11-30 Balakrishnan Balu (President and CEO) Option Ex 2,000 15.06 30,126
2009-11-23 Bell Derek (VP of Engineering) Sale 3,000 34.69 104,061
2009-11-23 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-11-23 Balakrishnan Balu (President and CEO) Sale 13,000 34.91 453,778
2009-11-23 Balakrishnan Balu (President and CEO) Option Ex 13,000 15.06 195,819
2009-11-19 Balakrishnan Balu (President and CEO) Sale 2,000 33.41 66,816
2009-11-19 Balakrishnan Balu (President and CEO) Option Ex 2,000 15.06 30,126
2009-11-17 Bell Derek (VP of Engineering) Sale 3,000 35.00 105,000
2009-11-17 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-11-16 Bell Derek (VP of Engineering) Sale 2,000 33.76 67,514
2009-11-16 Bell Derek (VP of Engineering) Option Ex 2,000 12.10 24,200
2009-11-10 Bell Derek (VP of Engineering) Sale 2,000 33.00 66,000
2009-11-10 Bell Derek (VP of Engineering) Option Ex 2,000 12.10 24,200
2009-11-09 Bell Derek (VP of Engineering) Sale 1,000 31.39 31,390
2009-11-09 Bell Derek (VP of Engineering) Option Ex 1,000 12.10 12,100
2009-11-02 Bell Derek (VP of Engineering) Sale 1,000 31.29 31,290
2009-11-02 Bell Derek (VP of Engineering) Option Ex 1,000 12.10 12,100
2009-10-26 Bell Derek (VP of Engineering) Sale 3,000 35.05 105,140
2009-10-26 Bell Derek (VP of Engineering) Option Ex 3,000 12.10 36,300
2009-10-23 Bailey Doug (VP Marketing) Sale 5,000 36.00 180,000
2009-10-23 Bailey Doug (VP Marketing) Option Ex 5,000 19.73 98,650
2009-10-23 Renouard Bruce (VP Worldwide Sales) Sale 1,968 35.23 69,332
2009-10-23 Renouard Bruce (VP Worldwide Sales) Option Ex 1,968 14.82 29,165

Insider trading activities including stock purchases, stock sales, and option exercises of POWI listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Power Integrations Inc (symbol POWI, CIK number 833640) see the Securities and Exchange Commission (SEC) website.