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Insider Trading: Power Integrations Inc
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Power Integrations Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Power Integrations Inc since year 2005. 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 $89,666.
The total value of stock sales is $20,005,801.
The total value of stock exercises is $10,455,188.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Power Integrations Inc (POWI) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 12 -
Figure 2. Average prices of insider buys, sales, and option exercises at Power Integrations Inc (POWI) in the past 24 months. See table 2 for insider transaction details.
01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 12 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for Power Integrations Inc (POWI).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-11 | 4,370 | 89,666 | 0 | 0 | 0 | 0 |
| 2008-10 | 0 | 0 | 0 | 0 | 10,000 | 110,625 |
| 2008-09 | 0 | 0 | 7,250 | 209,677 | 7,250 | 120,852 |
| 2008-08 | 0 | 0 | 14,524 | 423,253 | 12,750 | 206,588 |
| 2008-07 | 0 | 0 | 20,500 | 640,080 | 20,500 | 339,445 |
| 2008-06 | 0 | 0 | 47,800 | 1,603,216 | 47,800 | 769,806 |
| 2008-05 | 0 | 0 | 99,086 | 3,275,441 | 95,796 | 1,552,475 |
| 2008-04 | 0 | 0 | 97,115 | 3,058,376 | 97,115 | 1,600,082 |
| 2008-03 | 0 | 0 | 38,264 | 1,104,292 | 48,264 | 801,208 |
| 2008-02 | 0 | 0 | 5,574 | 148,115 | 1,850 | 23,186 |
| 2008-01 | 0 | 0 | 8,750 | 267,242 | 8,750 | 141,936 |
| 2007-12 | 0 | 0 | 41,679 | 1,336,748 | 41,679 | 668,900 |
| 2007-11 | 0 | 0 | 47,500 | 1,567,955 | 77,500 | 953,808 |
| 2007-10 | 0 | 0 | 74,612 | 2,391,562 | 74,612 | 1,193,536 |
| 2007-09 | 0 | 0 | 77,574 | 2,320,847 | 77,574 | 1,156,051 |
| 2007-08 | 0 | 0 | 3,950 | 105,222 | 3,950 | 55,987 |
| 2006-03 | 0 | 0 | 2,000 | 50,000 | 2,000 | 28,436 |
| 2006-02 | 0 | 0 | 51,500 | 1,361,025 | 51,500 | 732,267 |
| 2005-08 | 0 | 0 | 6,500 | 142,750 | 0 | 0 |
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Table 2. Detailed insider stock purchases, sales, and option exercises
for Power Integrations Inc (POWI)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-11-26 | Fiebiger James R (Director) | Purchase | 800 | 18.37 | 14,696 |
| 2008-11-03 | Brathwaite Nicholas (Director) | Purchase | 3,570 | 21.00 | 74,970 |
| 2008-10-01 | Sharp Steven (Director) | Option Exercise | 10,000 | 11.06 | 110,625 |
| 2008-09-19 | Tomlin John (VP of Operations) | Sale | 4,500 | 28.93 | 130,199 |
| 2008-09-19 | Tomlin John (VP of Operations) | Option Exercise | 4,500 | 17.18 | 77,310 |
| 2008-09-10 | Balakrishnan Balu (President and CEO) | Sale | 250 | 25.00 | 6,250 |
| 2008-09-10 | Balakrishnan Balu (President and CEO) | Option Exercise | 250 | 14.22 | 3,554 |
| 2008-09-03 | Balakrishnan Balu (President and CEO) | Sale | 1,000 | 28.80 | 28,804 |
| 2008-09-03 | Balakrishnan Balu (President and CEO) | Option Exercise | 1,000 | 14.22 | 14,218 |
| 2008-09-02 | Tomlin John (VP of Operations) | Sale | 1,500 | 29.62 | 44,424 |
| 2008-09-02 | Tomlin John (VP of Operations) | Option Exercise | 1,500 | 17.18 | 25,770 |
| 2008-08-27 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 29.83 | 59,665 |
| 2008-08-27 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 14.22 | 28,437 |
| 2008-08-26 | Tomlin John (VP of Operations) | Sale | 2,000 | 29.51 | 59,014 |
| 2008-08-26 | Tomlin John (VP of Operations) | Option Exercise | 2,000 | 17.18 | 34,360 |
| 2008-08-20 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 29.82 | 59,650 |
| 2008-08-20 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 14.22 | 28,437 |
| 2008-08-19 | Tomlin John (VP of Operations) | Sale | 2,000 | 29.48 | 58,963 |
| 2008-08-19 | Tomlin John (VP of Operations) | Option Exercise | 2,000 | 17.66 | 35,310 |
| 2008-08-12 | Tomlin John (VP of Operations) | Sale | 2,000 | 29.25 | 58,500 |
| 2008-08-12 | Tomlin John (VP of Operations) | Option Exercise | 2,000 | 16.88 | 33,770 |
| 2008-08-11 | Tomlin John (VP of Operations) | Sale | 2,500 | 29.45 | 73,625 |
| 2008-08-11 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 17.09 | 42,720 |
| 2008-08-06 | Balakrishnan Balu (President and CEO) | Sale | 250 | 26.08 | 6,520 |
| 2008-08-06 | Balakrishnan Balu (President and CEO) | Option Exercise | 250 | 14.22 | 3,554 |
| 2008-08-04 | Bailey Doug (VP Marketing) | Sale | 1,774 | 26.67 | 47,316 |
| 2008-07-30 | Tomlin John (VP of Operations) | Sale | 1,500 | 29.18 | 43,770 |
| 2008-07-30 | Tomlin John (VP of Operations) | Option Exercise | 1,500 | 18.60 | 27,900 |
| 2008-07-30 | Balakrishnan Balu (President and CEO) | Sale | 1,000 | 29.18 | 29,180 |
| 2008-07-30 | Balakrishnan Balu (President and CEO) | Option Exercise | 1,000 | 14.22 | 14,218 |
| 2008-07-23 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 30.61 | 61,229 |
| 2008-07-23 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 14.22 | 28,437 |
| 2008-07-22 | Tomlin John (VP of Operations) | Sale | 2,500 | 31.96 | 79,892 |
| 2008-07-22 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-07-16 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 31.25 | 62,499 |
| 2008-07-16 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 14.22 | 28,437 |
| 2008-07-15 | Tomlin John (VP of Operations) | Sale | 2,500 | 32.07 | 80,185 |
| 2008-07-15 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-07-09 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 31.94 | 63,873 |
| 2008-07-09 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 14.22 | 28,437 |
| 2008-07-08 | Tomlin John (VP of Operations) | Sale | 2,500 | 31.44 | 78,601 |
| 2008-07-08 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-07-02 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 31.50 | 63,008 |
| 2008-07-02 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 13.01 | 26,016 |
| 2008-07-01 | Tomlin John (VP of Operations) | Sale | 2,500 | 31.14 | 77,843 |
| 2008-07-01 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-06-25 | Balakrishnan Balu (President and CEO) | Sale | 3,000 | 32.43 | 97,278 |
| 2008-06-25 | Balakrishnan Balu (President and CEO) | Option Exercise | 3,000 | 13.80 | 41,400 |
| 2008-06-24 | Tomlin John (VP of Operations) | Sale | 2,500 | 32.47 | 81,178 |
| 2008-06-24 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-06-23 | Bell Derek (VP of Engineering) | Sale | 500 | 34.07 | 17,035 |
| 2008-06-23 | Bell Derek (VP of Engineering) | Option Exercise | 500 | 12.10 | 6,050 |
| 2008-06-19 | Balakrishnan Balu (President and CEO) | Sale | 4,300 | 34.93 | 150,199 |
| 2008-06-19 | Balakrishnan Balu (President and CEO) | Option Exercise | 4,300 | 14.82 | 63,726 |
| 2008-06-18 | Balakrishnan Balu (President and CEO) | Sale | 8,700 | 34.78 | 301,265 |
| 2008-06-18 | Balakrishnan Balu (President and CEO) | Option Exercise | 8,700 | 14.82 | 128,934 |
| 2008-06-17 | Tomlin John (VP of Operations) | Sale | 3,000 | 33.74 | 101,205 |
| 2008-06-17 | Tomlin John (VP of Operations) | Option Exercise | 3,000 | 18.60 | 55,800 |
| 2008-06-16 | Tomlin John (VP of Operations) | Sale | 1,500 | 33.65 | 50,471 |
| 2008-06-16 | Tomlin John (VP of Operations) | Option Exercise | 1,500 | 18.60 | 27,900 |
| 2008-06-16 | Bell Derek (VP of Engineering) | Sale | 500 | 33.00 | 16,500 |
| 2008-06-16 | Bell Derek (VP of Engineering) | Option Exercise | 500 | 12.10 | 6,050 |
| 2008-06-13 | Bailey Doug (VP Marketing) | Sale | 5,000 | 33.02 | 165,110 |
| 2008-06-13 | Bailey Doug (VP Marketing) | Option Exercise | 5,000 | 19.73 | 98,650 |
| 2008-06-13 | Bell Derek (VP of Engineering) | Sale | 1,000 | 33.00 | 33,000 |
| 2008-06-13 | Bell Derek (VP of Engineering) | Option Exercise | 1,000 | 12.10 | 12,100 |
| 2008-06-11 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 31.71 | 63,420 |
| 2008-06-11 | Balakrishnan Balu (President and CEO) | Option Exercise | 2,000 | 14.82 | 29,640 |
| 2008-06-10 | Tomlin John (VP of Operations) | Sale | 2,500 | 32.03 | 80,069 |
| 2008-06-10 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-06-04 | Balakrishnan Balu (President and CEO) | Sale | 3,000 | 32.24 | 96,716 |
| 2008-06-04 | Balakrishnan Balu (President and CEO) | Option Exercise | 3,000 | 14.82 | 44,460 |
| 2008-06-03 | Tomlin John (VP of Operations) | Sale | 2,500 | 31.99 | 79,979 |
| 2008-06-03 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-05-28 | Balakrishnan Balu (President and CEO) | Sale | 3,000 | 32.58 | 97,729 |
| 2008-05-28 | Balakrishnan Balu (President and CEO) | Option Exercise | 3,000 | 14.82 | 44,460 |
| 2008-05-27 | Tomlin John (VP of Operations) | Sale | 2,500 | 33.20 | 82,993 |
| 2008-05-27 | Tomlin John (VP of Operations) | Option Exercise | 2,500 | 18.60 | 46,500 |
| 2008-05-27 | Bell Derek (VP of Engineering) | Sale | 500 | 33.05 | 16,525 |
| 2008-05-27 | Bell Derek (VP of Engineering) | Option Exercise | 500 | 12.10 | 6,050 |
| 2008-05-27 | Bickell Alan (Director) | Sale | 10,000 | 33.15 | 330,892 |
| 2008-05-27 | Bickell Alan (Director) | Option Exercise | 10,000 | 16.09 | 160,937 |
| 2008-05-22 | Torres Rafael (Vice President of Finance &) | Sale | 3,125 | 33.76 | 105,511 |
| 2008-05-22 | Torres Rafael (Vice President of Finance &) | Option Exercise | 3,125 | 16.13 | 50,406 |
| 2008-05-21 | Tomlin John (VP of Operations) | Sale | 500 | 33.60 | 16,800 |
| 2008-05-21 | Tomlin John (VP of Operations) | Option Exercise | 500 | 18.60 | 9,300 |
| 2008-05-21 | Bell Derek (VP of Engineering) | Sale | 9,837 | 33.08 | 325,108 |
| 2008-05-21 | Bell Derek (VP of Engineering) | Option Exercise | 9,837 | 13.55 | 136,877 |
| 2008-05-21 | Balakrishnan Balu (President and CEO) | Sale | 3,000 | 32.75 | 98,238 |
| 2008-05-21 | Balakrishnan Balu (President and CEO) | Option Exercise | 3,000 | 14.82 | 44,460 |
| 2008-05-20 | Tomlin John (VP of Operations) | Sale | 2,500 | 32.32 | 80,811 |
| 2008-05-20 | Tomlin John (VP of Operations) | Option Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 2,000 | 14.82 | 29,640 |
| 2008-05-06 | Tomlin John (VP of Operations) | Sale | 2,500 | 31.94 | 79,839 |
| 2008-05-06 | Tomlin John (VP of Operations) | Option Exercise | 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 Exercise | 2,000 | 12.70 | 25,408 |
| 2008-04-29 | Torres Rafael (Vice President of Finance &) | Sale | 32,815 | 31.68 | 1,036,790 |
| 2008-04-29 | Torres Rafael (Vice President of Finance &) | Option Exercise | 32,815 | 16.13 | 529,305 |
| 2008-04-29 | Tomlin John (VP of Operations) | Sale | 2,500 | 32.23 | 80,581 |
| 2008-04-29 | Tomlin John (VP of Operations) | Option Exercise | 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 Exercise | 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 Exercise | 500 | 18.60 | 9,300 |
| 2008-04-23 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 31.38 | 62,755 |
| 2008-04-23 | Balakrishnan Balu (President and CEO) | Option Exercise | 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 Exercise | 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 Exercise | 500 | 18.60 | 9,300 |
| 2008-04-16 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 30.97 | 61,931 |
| 2008-04-16 | Balakrishnan Balu (President and CEO) | Option Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 1,500 | 18.60 | 27,900 |
| 2008-04-02 | Balakrishnan Balu (President and CEO) | Sale | 2,000 | 29.71 | 59,425 |
| 2008-04-02 | Balakrishnan Balu (President and CEO) | Option Exercise | 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 Exercise | 2,000 | 18.60 | 37,200 |
| 2008-03-27 | Tomlin John (VP of Operations) | Sale | 3,684 | 29.77 | 109,660 |
| 2008-03-27 | Tomlin John (VP of Operations) | Option Exercise | 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 Exercise | 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 Exercise | 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 Exercise | 1,500 | 18.60 | 27,900 |
| 2008-03-25 | Kvamme Floyd E (Director) | Option Exercise | 10,000 | 11.06 | 110,625 |
| 2008-03-20 | Tomlin John (VP of Operations) | Sale | 5,000 | 28.94 | 144,447 |
| 2008-03-20 | Tomlin John (VP of Operations) | Option Exercise | 5,000 | 18.60 | 92,999 |
| 2008-03-19 | Tomlin John (VP of Operations) | Sale | 10,000 | 28.86 | 287,664 |
| 2008-03-19 | Tomlin John (VP of Operations) | Option Exercise | 10,000 | 18.60 | 186,000 |
| 2008-03-19 | Balakrishnan Balu (President and CEO) | Sale | 1,000 | 27.87 | 27,870 |
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Insider trading activities including stock purchases, stock sales, and option exercises
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.
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