Insider Stock Trading History of Bell Derek


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Bell Derek since year 2005. The trader's CIK number is 1182407. At the time of this reporting, Bell Derek is the VP of Engineering of Power Integrations Inc . (stock ticker symbol POWI). See this page for all insider trading activities at Power Integrations Inc .


Stock purchases, sales, and option exercises reported by insider Bell Derek since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2013-05-16 POWI Power Integrations Inc Option Ex 2,000 21.14 42,280
2013-05-16 POWI Power Integrations Inc Sale 2,000 44.90 89,800
2013-05-09 POWI Power Integrations Inc Sale 573 42.54 24,372
2013-05-06 POWI Power Integrations Inc Sale 577 42.29 24,399
2013-05-07 POWI Power Integrations Inc Sale 572 42.29 24,192
2013-05-03 POWI Power Integrations Inc Option Ex 1,716 21.14 36,276
2013-05-03 POWI Power Integrations Inc Sale 1,716 43.90 75,332
2013-03-25 POWI Power Integrations Inc Sale 284 43.90 12,467
2013-03-25 POWI Power Integrations Inc Option Ex 284 21.14 6,003
2013-02-11 POWI Power Integrations Inc Sale 128 42.71 5,466
2013-02-07 POWI Power Integrations Inc Option Ex 5,550 21.14 117,327
2013-02-07 POWI Power Integrations Inc Sale 5,550 45.02 249,849
2013-02-08 POWI Power Integrations Inc Sale 1,257 44.08 55,402
2012-08-06 POWI Power Integrations Inc Sale 8,000 36.90 295,200
2012-08-06 POWI Power Integrations Inc Option Ex 8,000 26.75 214,000
2012-07-05 POWI Power Integrations Inc Option Ex 8,000 26.00 208,000
2012-07-05 POWI Power Integrations Inc Sale 8,000 38.69 309,552
2012-06-28 POWI Power Integrations Inc Sale 1,000 36.94 36,940
2012-06-28 POWI Power Integrations Inc Option Ex 1,000 25.25 25,250
2012-06-21 POWI Power Integrations Inc Option Ex 3,000 25.25 75,750
2012-06-21 POWI Power Integrations Inc Sale 3,000 40.18 120,551
2012-06-19 POWI Power Integrations Inc Sale 3,000 40.90 122,700
2012-06-19 POWI Power Integrations Inc Option Ex 3,000 25.25 75,750
2012-06-15 POWI Power Integrations Inc Option Ex 2,000 25.25 50,500
2012-06-15 POWI Power Integrations Inc Sale 2,000 38.90 77,800
2012-06-14 POWI Power Integrations Inc Option Ex 1,000 25.25 25,250
2012-06-14 POWI Power Integrations Inc Sale 1,000 38.24 38,236
2012-06-07 POWI Power Integrations Inc Sale 6,000 41.00 245,987
2012-06-07 POWI Power Integrations Inc Option Ex 6,000 25.25 151,500
2012-05-31 POWI Power Integrations Inc Option Ex 6,000 25.25 151,500
2012-05-31 POWI Power Integrations Inc Sale 6,000 40.52 243,126
2012-05-29 POWI Power Integrations Inc Option Ex 5,000 25.25 126,250
2012-05-29 POWI Power Integrations Inc Sale 5,000 41.43 207,170
2012-05-24 POWI Power Integrations Inc Option Ex 1,000 25.25 25,250
2012-05-24 POWI Power Integrations Inc Sale 1,000 41.86 41,862
2012-05-21 POWI Power Integrations Inc Option Ex 15,000 23.20 347,925
2012-05-21 POWI Power Integrations Inc Sale 15,000 41.57 623,610
2012-05-14 POWI Power Integrations Inc Option Ex 16,000 21.14 338,240
2012-05-14 POWI Power Integrations Inc Sale 16,000 41.82 669,056
2012-05-08 POWI Power Integrations Inc Sale 565 41.64 23,526
2012-05-07 POWI Power Integrations Inc Sale 16,000 41.92 670,640
2012-05-07 POWI Power Integrations Inc Option Ex 16,000 19.16 306,560
2012-05-04 POWI Power Integrations Inc Sale 15,000 38.90 583,500
2012-05-04 POWI Power Integrations Inc Option Ex 15,000 17.18 257,700
2012-05-04 POWI Power Integrations Inc Sale 485 42.57 20,646
2012-05-03 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-05-03 POWI Power Integrations Inc Sale 1,000 37.99 37,990
2012-04-26 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-04-26 POWI Power Integrations Inc Sale 1,000 37.19 37,190
2012-04-19 POWI Power Integrations Inc Sale 1,000 37.01 37,013
2012-04-19 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-04-12 POWI Power Integrations Inc Sale 2,000 36.91 73,814
2012-04-12 POWI Power Integrations Inc Option Ex 2,000 17.18 34,360
2012-03-29 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-03-29 POWI Power Integrations Inc Sale 1,000 37.19 37,190
2012-03-22 POWI Power Integrations Inc Sale 1,000 36.95 36,950
2012-03-22 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-03-15 POWI Power Integrations Inc Sale 1,000 37.73 37,730
2012-03-15 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-03-08 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2012-03-08 POWI Power Integrations Inc Sale 1,000 37.15 37,150
2012-03-01 POWI Power Integrations Inc Sale 1,000 37.33 37,328
2012-03-01 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2011-05-04 POWI Power Integrations Inc Sale 701 37.46 26,255
2011-05-02 POWI Power Integrations Inc Option Ex 1,000 17.18 17,180
2011-05-02 POWI Power Integrations Inc Sale 1,000 40.01 40,010
2011-04-29 POWI Power Integrations Inc Option Ex 1,958 17.18 33,638
2011-04-29 POWI Power Integrations Inc Sale 1,958 39.90 78,124
2011-04-28 POWI Power Integrations Inc Sale 598 39.90 23,860
2011-04-28 POWI Power Integrations Inc Option Ex 598 17.18 10,273
2011-04-27 POWI Power Integrations Inc Option Ex 3 17.18 51
2011-04-27 POWI Power Integrations Inc Sale 3 39.90 119
2011-04-26 POWI Power Integrations Inc Option Ex 4,441 18.06 80,226
2011-04-26 POWI Power Integrations Inc Sale 4,441 39.90 177,195
2011-03-08 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2011-03-08 POWI Power Integrations Inc Sale 1,000 39.90 39,900
2011-02-28 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2011-02-28 POWI Power Integrations Inc Sale 1,000 40.62 40,620
2011-02-22 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2011-02-22 POWI Power Integrations Inc Sale 1,000 42.12 42,120
2011-02-14 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2011-02-14 POWI Power Integrations Inc Sale 1,000 41.96 41,960
2011-02-07 POWI Power Integrations Inc Sale 4,000 42.91 171,640
2011-02-07 POWI Power Integrations Inc Option Ex 4,000 18.95 75,800
2011-02-04 POWI Power Integrations Inc Sale 6,000 41.62 249,719
2011-02-04 POWI Power Integrations Inc Option Ex 6,000 18.95 113,700
2011-01-18 POWI Power Integrations Inc Sale 1,000 40.93 40,930
2011-01-18 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2011-01-10 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2011-01-10 POWI Power Integrations Inc Sale 1,000 39.90 39,900
2011-01-03 POWI Power Integrations Inc Sale 1,000 40.40 40,400
2011-01-03 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2010-12-27 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2010-12-27 POWI Power Integrations Inc Sale 1,000 40.83 40,830
2010-12-20 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2010-12-20 POWI Power Integrations Inc Sale 1,000 40.42 40,420
2010-12-13 POWI Power Integrations Inc Sale 1,000 41.00 41,000
2010-12-13 POWI Power Integrations Inc Option Ex 1,000 18.95 18,950
2010-11-17 POWI Power Integrations Inc Option Ex 895 17.75 15,886
2010-11-17 POWI Power Integrations Inc Sale 895 38.60 34,547
2010-11-10 POWI Power Integrations Inc Sale 1,000 37.42 37,420
2010-11-10 POWI Power Integrations Inc Option Ex 1,000 17.75 17,750
2010-11-04 POWI Power Integrations Inc Sale 10,000 37.12 371,180
2010-11-04 POWI Power Integrations Inc Option Ex 10,000 17.75 177,500
2010-08-04 POWI Power Integrations Inc Sale 1,000 37.21 37,210
2010-08-04 POWI Power Integrations Inc Option Ex 1,000 17.75 17,750
2010-07-28 POWI Power Integrations Inc Option Ex 1,000 17.75 17,750
2010-07-28 POWI Power Integrations Inc Sale 1,000 37.40 37,399
2010-07-26 POWI Power Integrations Inc Option Ex 9,000 16.77 150,957
2010-07-26 POWI Power Integrations Inc Sale 9,000 37.35 336,150
2010-05-03 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-05-03 POWI Power Integrations Inc Sale 3,000 38.61 115,823
2010-04-26 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-04-26 POWI Power Integrations Inc Sale 3,000 43.44 130,326
2010-04-19 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-04-19 POWI Power Integrations Inc Sale 3,000 44.13 132,393
2010-04-12 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-04-12 POWI Power Integrations Inc Sale 3,000 41.60 124,809
2010-04-05 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-04-05 POWI Power Integrations Inc Sale 3,000 41.12 123,348
2010-03-29 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-03-29 POWI Power Integrations Inc Sale 3,000 40.16 120,465
2010-03-22 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-03-22 POWI Power Integrations Inc Sale 3,000 41.26 123,771
2010-03-15 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-03-15 POWI Power Integrations Inc Sale 3,000 39.75 119,256
2010-03-10 POWI Power Integrations Inc Option Ex 3,000 14.82 44,460
2010-03-10 POWI Power Integrations Inc Sale 3,000 38.60 115,787
2010-02-24 POWI Power Integrations Inc Sale 3,000 35.71 107,133
2010-02-12 POWI Power Integrations Inc Sale 3,770 35.00 131,950
2010-02-12 POWI Power Integrations Inc Option Ex 3,770 12.10 45,617
2010-02-09 POWI Power Integrations Inc Sale 5,184 32.75 169,776
2010-02-08 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2010-02-08 POWI Power Integrations Inc Sale 2,000 32.88 65,760
2010-02-04 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2010-02-04 POWI Power Integrations Inc Sale 1,000 33.14 33,140
2010-02-01 POWI Power Integrations Inc Sale 1,000 31.26 31,257
2010-02-01 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2010-01-25 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2010-01-25 POWI Power Integrations Inc Sale 1,000 32.23 32,234
2010-01-19 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2010-01-19 POWI Power Integrations Inc Sale 2,000 33.92 67,838
2010-01-11 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2010-01-11 POWI Power Integrations Inc Sale 3,000 36.12 108,357
2010-01-04 POWI Power Integrations Inc Sale 3,000 36.67 110,004
2010-01-04 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-12-28 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-12-28 POWI Power Integrations Inc Sale 3,000 36.22 108,671
2009-12-21 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-12-21 POWI Power Integrations Inc Sale 3,000 35.77 107,310
2009-12-14 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-12-14 POWI Power Integrations Inc Sale 3,000 35.39 106,173
2009-12-07 POWI Power Integrations Inc Sale 3,000 36.50 109,509
2009-12-07 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-12-02 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-12-02 POWI Power Integrations Inc Sale 1,000 35.00 35,000
2009-11-30 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-11-30 POWI Power Integrations Inc Sale 2,000 33.37 66,744
2009-11-23 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-11-23 POWI Power Integrations Inc Sale 3,000 34.69 104,061
2009-11-17 POWI Power Integrations Inc Sale 3,000 35.00 105,000
2009-11-17 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-11-16 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-11-16 POWI Power Integrations Inc Sale 2,000 33.76 67,514
2009-11-09 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-11-09 POWI Power Integrations Inc Sale 1,000 31.39 31,390
2009-11-10 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-11-10 POWI Power Integrations Inc Sale 2,000 33.00 66,000
2009-11-02 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-11-02 POWI Power Integrations Inc Sale 1,000 31.29 31,290
2009-10-26 POWI Power Integrations Inc Option Ex 3,000 12.10 36,300
2009-10-26 POWI Power Integrations Inc Sale 3,000 35.05 105,140
2009-10-20 POWI Power Integrations Inc Option Ex 8,000 12.10 96,800
2009-10-20 POWI Power Integrations Inc Sale 8,000 35.02 280,168
2009-10-19 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-10-19 POWI Power Integrations Inc Sale 2,000 33.74 67,470
2009-10-12 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-10-12 POWI Power Integrations Inc Sale 2,000 33.18 66,356
2009-10-06 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-10-06 POWI Power Integrations Inc Sale 1,000 33.00 33,000
2009-10-05 POWI Power Integrations Inc Sale 1,000 32.00 32,000
2009-10-05 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-09-28 POWI Power Integrations Inc Sale 2,000 33.46 66,928
2009-09-28 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-09-21 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-09-21 POWI Power Integrations Inc Sale 2,000 33.46 66,916
2009-09-17 POWI Power Integrations Inc Sale 1,000 33.00 33,000
2009-09-17 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-09-14 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2009-09-14 POWI Power Integrations Inc Sale 1,000 32.11 32,113
2009-09-08 POWI Power Integrations Inc Sale 2,000 33.00 66,000
2009-09-08 POWI Power Integrations Inc Option Ex 2,000 12.10 24,200
2009-09-01 POWI Power Integrations Inc Option Ex 600 12.10 7,260
2009-09-01 POWI Power Integrations Inc Sale 600 33.00 19,800
2009-08-31 POWI Power Integrations Inc Option Ex 1,400 12.10 16,940
2009-08-31 POWI Power Integrations Inc Sale 1,400 32.88 46,030
2008-06-23 POWI Power Integrations Inc Sale 500 34.07 17,035
2008-06-23 POWI Power Integrations Inc Option Ex 500 12.10 6,050
2008-06-16 POWI Power Integrations Inc Option Ex 500 12.10 6,050
2008-06-16 POWI Power Integrations Inc Sale 500 33.00 16,500
2008-06-13 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2008-06-13 POWI Power Integrations Inc Sale 1,000 33.00 33,000
2008-05-27 POWI Power Integrations Inc Sale 500 33.05 16,525
2008-05-27 POWI Power Integrations Inc Option Ex 500 12.10 6,050
2008-05-21 POWI Power Integrations Inc Option Ex 8,209 14.09 115,697
2008-05-21 POWI Power Integrations Inc Sale 8,209 33.04 271,200
2008-05-21 POWI Power Integrations Inc Option Ex 1,628 13.01 21,173
2008-05-21 POWI Power Integrations Inc Sale 1,628 33.11 53,907
2008-05-19 POWI Power Integrations Inc Option Ex 2,110 12.10 25,531
2008-05-19 POWI Power Integrations Inc Sale 5,400 33.36 180,160
2008-05-19 POWI Power Integrations Inc Sale 3,500 33.17 116,088
2008-05-19 POWI Power Integrations Inc Option Ex 3,500 12.10 42,350
2007-09-24 POWI Power Integrations Inc Sale 5,426 30.94 167,907
2007-09-24 POWI Power Integrations Inc Option Ex 5,426 14.82 80,413
2007-09-24 POWI Power Integrations Inc Sale 5,329 30.68 163,520
2007-09-24 POWI Power Integrations Inc Option Ex 5,329 12.28 65,445
2007-09-21 POWI Power Integrations Inc Option Ex 3,195 12.10 38,659
2007-09-21 POWI Power Integrations Inc Sale 3,195 30.05 96,012
2007-08-29 POWI Power Integrations Inc Option Ex 1,000 12.10 12,100
2007-08-29 POWI Power Integrations Inc Sale 1,000 26.62 26,624
2005-08-19 POWI Power Integrations Inc Sale 500 21.50 10,750

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Bell Derek (VP of Engineering of Power Integrations Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.