Insider Trading activities of Power Integrations Inc insiders. , Part 10

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 $205,626,499.
The total value of stock option exercises since 2005 is $80,508,285.



Table 2. Detailed insider stock purchases, sales, and option exercises of Power Integrations Inc insiders (POWI) , Part 10
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-05-21 Tomlin John (VP of Operations) Sale 500 33.60 16,800
2008-05-21 Tomlin John (VP of Operations) Option Ex 500 18.60 9,300
2008-05-21 Bell Derek (VP of Engineering) Sale 9,837 33.08 325,107
2008-05-21 Bell Derek (VP of Engineering) Option Ex 9,837 13.55 136,870
2008-05-21 Balakrishnan Balu (President and CEO) Sale 3,000 32.75 98,238
2008-05-21 Balakrishnan Balu (President and CEO) Option Ex 3,000 14.82 44,460
2008-05-20 Tomlin John (VP of Operations) Sale 2,500 32.32 80,810
2008-05-20 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2008-05-19 Bell Derek (VP of Engineering) Sale 8,900 33.27 296,248
2008-05-19 Bell Derek (VP of Engineering) Option Ex 5,610 12.10 67,881
2008-05-14 Tomlin John (VP of Operations) Sale 10,000 33.62 336,200
2008-05-14 Tomlin John (VP of Operations) Option Ex 10,000 18.60 186,000
2008-05-14 Balakrishnan Balu (President and CEO) Sale 3,000 33.00 99,000
2008-05-14 Balakrishnan Balu (President and CEO) Option Ex 3,000 14.82 44,460
2008-05-13 Bailey Doug (VP Marketing) Sale 13,615 33.02 449,594
2008-05-13 Bailey Doug (VP Marketing) Option Ex 13,615 19.73 268,623
2008-05-13 Tomlin John (VP of Operations) Sale 2,500 32.45 81,122
2008-05-13 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2008-05-07 Balakrishnan Balu (President and CEO) Sale 2,000 31.99 63,972
2008-05-07 Balakrishnan Balu (President and CEO) Option Ex 2,000 14.82 29,640
2008-05-06 Tomlin John (VP of Operations) Sale 2,500 31.93 79,837
2008-05-06 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2008-04-30 Balakrishnan Balu (President and CEO) Sale 2,000 31.40 62,804
2008-04-30 Balakrishnan Balu (President and CEO) Option Ex 2,000 12.70 25,408
2008-04-29 Torres Rafael (Vice President of Finance &) Sale 32,815 31.68 1,036,779
2008-04-29 Torres Rafael (Vice President of Finance &) Option Ex 32,815 16.13 529,305
2008-04-29 Tomlin John (VP of Operations) Sale 2,500 32.23 80,580
2008-04-29 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2008-04-28 Bailey Doug (VP Marketing) Sale 6,385 33.02 210,832
2008-04-28 Bailey Doug (VP Marketing) Option Ex 6,385 19.73 125,976
2008-04-23 Tomlin John (VP of Operations) Sale 500 31.60 15,800
2008-04-23 Tomlin John (VP of Operations) Option Ex 500 18.60 9,300
2008-04-23 Balakrishnan Balu (President and CEO) Sale 2,000 31.38 62,754
2008-04-23 Balakrishnan Balu (President and CEO) Option Ex 2,000 12.10 24,200
2008-04-22 Tomlin John (VP of Operations) Sale 2,000 31.22 62,438
2008-04-22 Tomlin John (VP of Operations) Option Ex 2,000 18.60 37,200
2008-04-16 Tomlin John (VP of Operations) Sale 500 31.74 15,870
2008-04-16 Tomlin John (VP of Operations) Option Ex 500 18.60 9,300
2008-04-16 Balakrishnan Balu (President and CEO) Sale 2,000 30.96 61,930
2008-04-16 Balakrishnan Balu (President and CEO) Option Ex 2,000 12.10 24,200
2008-04-15 Tomlin John (VP of Operations) Sale 2,000 30.87 61,746
2008-04-15 Tomlin John (VP of Operations) Option Ex 2,000 18.60 37,200
2008-04-10 Tomlin John (VP of Operations) Sale 7,500 31.40 235,500
2008-04-10 Tomlin John (VP of Operations) Option Ex 7,500 18.60 139,500
2008-04-09 Balakrishnan Balu (President and CEO) Sale 1,000 29.22 29,220
2008-04-09 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2008-04-08 Tomlin John (VP of Operations) Sale 1,500 28.63 42,949
2008-04-08 Tomlin John (VP of Operations) Option Ex 1,500 18.60 27,900
2008-04-02 Balakrishnan Balu (President and CEO) Sale 2,000 29.71 59,424
2008-04-02 Balakrishnan Balu (President and CEO) Option Ex 2,000 12.10 24,200
2008-04-01 Tomlin John (VP of Operations) Sale 2,000 29.61 59,220
2008-04-01 Tomlin John (VP of Operations) Option Ex 2,000 18.60 37,200
2008-03-27 Tomlin John (VP of Operations) Sale 3,684 29.77 109,657
2008-03-27 Tomlin John (VP of Operations) Option Ex 3,684 18.60 68,522
2008-03-26 Tomlin John (VP of Operations) Sale 2,316 29.60 68,553
2008-03-26 Tomlin John (VP of Operations) Option Ex 2,316 18.60 43,077
2008-03-26 Balakrishnan Balu (President and CEO) Sale 1,000 28.66 28,656
2008-03-26 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2008-03-25 Tomlin John (VP of Operations) Sale 1,500 28.60 42,900
2008-03-25 Tomlin John (VP of Operations) Option Ex 1,500 18.60 27,900
2008-03-25 Kvamme Floyd E (Director) Option Ex 10,000 11.06 110,620
2008-03-20 Tomlin John (VP of Operations) Sale 5,000 28.94 144,446
2008-03-20 Tomlin John (VP of Operations) Option Ex 5,000 18.60 92,999
2008-03-19 Tomlin John (VP of Operations) Sale 10,000 28.86 287,659
2008-03-19 Tomlin John (VP of Operations) Option Ex 10,000 18.60 186,000
2008-03-19 Balakrishnan Balu (President and CEO) Sale 1,000 27.87 27,870
2008-03-19 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2008-03-12 Balakrishnan Balu (President and CEO) Sale 1,000 27.96 27,960
2008-03-12 Balakrishnan Balu (President and CEO) Option Ex 1,000 12.10 12,100
2008-03-05 Balakrishnan Balu (President and CEO) Sale 250 26.32 6,580
2008-03-05 Balakrishnan Balu (President and CEO) Option Ex 250 12.10 3,025
2008-02-29 Renouard Bruce (VP Worldwide Sales) Sale 2,820 26.07 73,531
2008-02-27 Balakrishnan Balu (President and CEO) Sale 250 26.57 6,642
2008-02-27 Balakrishnan Balu (President and CEO) Option Ex 250 12.10 3,025
2008-02-21 Walker Clifford (VP Corporate Dev) Sale 100 27.51 2,751
2008-02-21 Walker Clifford (VP Corporate Dev) Option Ex 100 14.82 1,482
2008-02-20 Balakrishnan Balu (President and CEO) Sale 1,250 27.27 34,082
2008-02-20 Balakrishnan Balu (President and CEO) Option Ex 1,250 12.10 15,125
2008-02-13 Bailey Doug (VP Marketing) Sale 904 26.97 24,380
2008-02-13 Balakrishnan Balu (President and CEO) Sale 250 26.91 6,727
2008-02-13 Balakrishnan Balu (President and CEO) Option Ex 250 14.22 3,554
2008-01-30 Balakrishnan Balu (President and CEO) Sale 250 25.97 6,492
2008-01-30 Balakrishnan Balu (President and CEO) Option Ex 250 14.22 3,554
2008-01-23 Balakrishnan Balu (President and CEO) Sale 250 25.34 6,335
2008-01-23 Balakrishnan Balu (President and CEO) Option Ex 250 14.22 3,554
2008-01-16 Balakrishnan Balu (President and CEO) Sale 250 25.69 6,422
2008-01-16 Balakrishnan Balu (President and CEO) Option Ex 250 14.22 3,554
2008-01-09 Balakrishnan Balu (President and CEO) Sale 1,000 28.83 28,830
2008-01-09 Balakrishnan Balu (President and CEO) Option Ex 1,000 14.22 14,218
2008-01-08 Tomlin John (VP of Operations) Sale 1,500 28.89 43,338
2008-01-08 Tomlin John (VP of Operations) Option Ex 1,500 18.60 27,900
2008-01-03 Balakrishnan Balu (President and CEO) Sale 700 32.50 22,750
2008-01-03 Balakrishnan Balu (President and CEO) Option Ex 700 14.22 9,952
2008-01-02 Tomlin John (VP of Operations) Sale 2,500 31.94 79,855
2008-01-02 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2008-01-02 Balakrishnan Balu (President and CEO) Sale 2,300 31.83 73,218
2008-01-02 Balakrishnan Balu (President and CEO) Option Ex 2,300 14.22 32,701
2007-12-31 Torres Rafael (Vice President of Finance &) Sale 2,810 35.01 98,378
2007-12-31 Torres Rafael (Vice President of Finance &) Option Ex 2,810 16.13 45,325
2007-12-31 Balakrishnan Balu (President and CEO) Sale 2,809 35.01 98,343
2007-12-31 Balakrishnan Balu (President and CEO) Option Ex 2,809 14.22 39,938
2007-12-28 Tomlin John (VP of Operations) Sale 2,500 33.64 84,105
2007-12-28 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2007-12-27 Bailey Doug (VP Marketing) Sale 1,800 33.16 59,684
2007-12-27 Bailey Doug (VP Marketing) Option Ex 1,800 19.73 35,514
2007-12-26 Bailey Doug (VP Marketing) Sale 3,200 33.08 105,856
2007-12-26 Bailey Doug (VP Marketing) Option Ex 3,200 19.73 63,136
2007-12-26 Tomlin John (VP of Operations) Sale 2,500 32.31 80,775
2007-12-26 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2007-12-26 Balakrishnan Balu (President and CEO) Sale 3,000 32.31 96,926
2007-12-26 Balakrishnan Balu (President and CEO) Option Ex 3,000 14.22 42,654
2007-12-19 Balakrishnan Balu (President and CEO) Sale 2,000 32.07 64,135
2007-12-19 Balakrishnan Balu (President and CEO) Option Ex 2,000 14.22 28,436
2007-12-18 Tomlin John (VP of Operations) Sale 2,500 32.33 80,812
2007-12-18 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2007-12-13 Tomlin John (VP of Operations) Sale 500 31.60 15,800
2007-12-13 Tomlin John (VP of Operations) Option Ex 500 18.60 9,300
2007-12-12 Balakrishnan Balu (President and CEO) Sale 2,000 31.23 62,464
2007-12-12 Balakrishnan Balu (President and CEO) Option Ex 2,000 14.22 28,436
2007-12-11 Tomlin John (VP of Operations) Sale 2,000 30.65 61,294
2007-12-11 Tomlin John (VP of Operations) Option Ex 2,000 18.60 37,200
2007-12-07 Walker Clifford (VP of Corporate Dev) Sale 5,514 29.97 165,128
2007-12-07 Walker Clifford (VP of Corporate Dev) Option Ex 5,514 13.46 72,071
2007-12-05 Balakrishnan Balu (President and CEO) Sale 2,000 31.39 62,772
2007-12-05 Balakrishnan Balu (President and CEO) Option Ex 2,000 14.34 28,678
2007-12-04 Tomlin John (VP of Operations) Sale 2,500 31.37 78,432
2007-12-04 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2007-12-03 Tomlin John (VP of Operations) Sale 500 31.64 15,822
2007-12-03 Tomlin John (VP of Operations) Option Ex 500 18.60 9,300
2007-11-28 Balakrishnan Balu (President and CEO) Sale 2,000 30.95 61,894
2007-11-28 Balakrishnan Balu (President and CEO) Option Ex 2,000 14.82 29,640
2007-11-27 Tomlin John (VP of Operations) Sale 2,000 29.59 59,184
2007-11-27 Tomlin John (VP of Operations) Option Ex 2,000 18.60 37,200
2007-11-21 Balakrishnan Balu (President and CEO) Sale 3,000 32.66 97,968
2007-11-21 Balakrishnan Balu (President and CEO) Option Ex 3,000 14.82 44,460
2007-11-20 Tomlin John (VP of Operations) Sale 3,000 33.63 100,890
2007-11-20 Tomlin John (VP of Operations) Option Ex 3,000 18.60 55,800
2007-11-19 Tomlin John (VP of Operations) Sale 500 33.60 16,800
2007-11-19 Tomlin John (VP of Operations) Option Ex 500 18.60 9,300
2007-11-14 Balakrishnan Balu (President and CEO) Sale 3,000 32.82 98,466
2007-11-14 Balakrishnan Balu (President and CEO) Option Ex 3,000 14.82 44,460
2007-11-13 Tomlin John (VP of Operations) Sale 2,500 32.77 81,912
2007-11-13 Tomlin John (VP of Operations) Option Ex 2,500 18.60 46,500
2007-11-07 Tomlin John (VP of Operations) Sale 1,000 33.60 33,600
2007-11-07 Tomlin John (VP of Operations) Option Ex 1,000 18.60 18,600
2007-11-07 Balakrishnan Balu (President and CEO) Sale 3,000 33.23 99,689
2007-11-07 Balakrishnan Balu (President and CEO) Option Ex 3,000 14.82 44,460
2007-11-07 Bickell Alan (Director) Sale 10,000 34.00 340,000
2007-11-07 Bickell Alan (Director) Option Ex 10,000 16.09 160,930
2007-11-07 Kvamme Floyd E (Director) Option Ex 30,000 4.00 120,000

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.