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Insider Trading: Monolithic Power Systems Inc , Part 2
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Monolithic Power Systems Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Monolithic Power Systems Inc since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Monolithic Power Systems Inc since 2005.
The reporting company's ticker symbol is MPWR.
The reporting company's CIK number is 1280452.
The total value of stock buying since 2005 is $0.
The total value of stock sales is $108,811,193.
The total value of stock exercises is $5,119,332.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Monolithic Power Systems Inc (MPWR) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 -
Figure 2. Average prices of insider buys, sales, and option exercises at Monolithic Power Systems Inc (MPWR) in the past 24 months. See table 2 for insider transaction details.
10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 -
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Table 2. Detailed insider stock purchases, sales, and option exercises
for Monolithic Power Systems Inc (MPWR) , Part 2
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2007-09-13 | Moyer James C (Chief IC Design Engineer) | Sale | 10,000 | 21.53 | 215,479 |
| 2007-09-12 | Hsing Michael (CEO) | Sale | 8,800 | 21.75 | 191,364 |
| 2007-09-06 | Moyer James C (Chief IC Design Engineer) | Sale | 4,334 | 20.91 | 90,608 |
| 2007-09-04 | Neely Rick (Chief Financial Officer) | Sale | 7,000 | 20.80 | 145,600 |
| 2007-09-04 | Neely Rick (Chief Financial Officer) | Option Exercise | 7,000 | 8.41 | 58,870 |
| 2007-08-31 | Padval Umesh (Director) | Sale | 5,903 | 20.50 | 121,011 |
| 2007-08-31 | Padval Umesh (Director) | Option Exercise | 5,903 | 1.20 | 7,083 |
| 2007-08-31 | Chang Kuo Wei Herbert (Director) | Sale | 103,562 | 20.47 | 2,119,779 |
| 2007-08-30 | Hsing Michael (CEO) | Sale | 4,000 | 20.33 | 81,304 |
| 2007-08-30 | Chang Kuo Wei Herbert (Director) | Sale | 98,450 | 20.31 | 1,999,076 |
| 2007-08-29 | Hsing Michael (CEO) | Sale | 4,000 | 20.16 | 80,639 |
| 2007-08-29 | Chang Kuo Wei Herbert (Director) | Sale | 135,000 | 20.19 | 2,725,636 |
| 2007-08-28 | Moyer James C (Chief IC Design Engineer) | Sale | 3,750 | 20.09 | 75,349 |
| 2007-08-28 | Chang Kuo Wei Herbert (Director) | Sale | 90,000 | 20.05 | 1,804,653 |
| 2007-08-27 | Padval Umesh (Director) | Sale | 8,000 | 19.98 | 159,840 |
| 2007-08-27 | Padval Umesh (Director) | Option Exercise | 8,000 | 1.20 | 9,600 |
| 2007-08-27 | Chang Kuo Wei Herbert (Director) | Sale | 82,500 | 20.07 | 1,655,750 |
| 2007-08-24 | Padval Umesh (Director) | Sale | 8,000 | 19.98 | 159,840 |
| 2007-08-24 | Padval Umesh (Director) | Option Exercise | 8,000 | 1.20 | 9,600 |
| 2007-08-24 | Chang Kuo Wei Herbert (Director) | Sale | 53,500 | 19.97 | 1,068,293 |
| 2007-08-23 | Chang Kuo Wei Herbert (Director) | Sale | 14,826 | 19.82 | 293,835 |
| 2007-08-22 | Chang Kuo Wei Herbert (Director) | Sale | 45,000 | 19.89 | 895,063 |
| 2007-08-20 | Padval Umesh (Director) | Sale | 10,000 | 19.50 | 195,000 |
| 2007-08-20 | Padval Umesh (Director) | Option Exercise | 10,000 | 1.20 | 12,000 |
| 2007-08-20 | Earhart Alan L (Director) | Sale | 15,000 | 19.50 | 292,500 |
| 2007-08-20 | Earhart Alan L (Director) | Option Exercise | 15,000 | 12.16 | 182,400 |
| 2007-08-17 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 30,000 | 18.96 | 568,653 |
| 2007-08-17 | Xiao Deming (VP, Operations) | Sale | 12,544 | 19.26 | 241,597 |
| 2007-08-17 | Xiao Deming (VP, Operations) | Option Exercise | 12,544 | .80 | 10,035 |
| 2007-08-16 | Hsing Michael (CEO) | Sale | 4,000 | 18.16 | 72,653 |
| 2007-08-15 | Hsing Michael (CEO) | Sale | 4,000 | 18.80 | 75,217 |
| 2007-08-15 | Moyer James C (Chief IC Design Engineer) | Sale | 500 | 18.80 | 9,400 |
| 2007-08-15 | Xiao Deming (VP, Operations) | Sale | 2,456 | 19.12 | 46,965 |
| 2007-08-15 | Xiao Deming (VP, Operations) | Option Exercise | 2,456 | .80 | 1,964 |
| 2007-08-14 | Xiao Deming (VP, Operations) | Sale | 14,000 | 18.52 | 259,217 |
| 2007-08-14 | Xiao Deming (VP, Operations) | Option Exercise | 14,000 | .80 | 11,200 |
| 2007-08-09 | Moyer James C (Chief IC Design Engineer) | Sale | 200 | 18.56 | 3,713 |
| 2007-08-07 | Hsing Michael (CEO) | Sale | 4,000 | 18.63 | 74,502 |
| 2007-08-06 | Hsing Michael (CEO) | Sale | 4,000 | 18.60 | 74,415 |
| 2007-08-03 | Neely Rick (Chief Financial Officer) | Sale | 3,500 | 18.75 | 65,625 |
| 2007-08-03 | Neely Rick (Chief Financial Officer) | Option Exercise | 3,500 | 8.41 | 29,435 |
| 2007-05-31 | Moyer James C (Chief IC Design Engineer) | Sale | 9,124 | 16.85 | 153,739 |
| 2007-05-31 | Moyer James C (Chief IC Design Engineer) | Option Exercise | 15,207 | 5.00 | 76,035 |
| 2007-05-31 | Chang Kuo Wei Herbert (Director) | Sale | 16,044 | 16.86 | 270,517 |
| 2007-05-30 | Moyer James C (Chief IC Design Engineer) | Sale | 25,719 | 16.86 | 433,684 |
| 2007-05-30 | Moyer James C (Chief IC Design Engineer) | Option Exercise | 42,865 | 5.00 | 214,325 |
| 2007-05-30 | Chang Kuo Wei Herbert (Director) | Sale | 28,000 | 16.83 | 471,184 |
| 2007-05-29 | Moyer James C (Chief IC Design Engineer) | Sale | 25,157 | 17.07 | 429,485 |
| 2007-05-29 | Moyer James C (Chief IC Design Engineer) | Option Exercise | 41,929 | 5.00 | 209,645 |
| 2007-05-29 | Padval Umesh (Director) | Sale | 55,000 | 17.15 | 943,380 |
| 2007-05-29 | Padval Umesh (Director) | Option Exercise | 55,000 | 5.41 | 297,366 |
| 2007-05-29 | Chang Kuo Wei Herbert (Director) | Sale | 6,145 | 17.31 | 106,351 |
| 2007-05-25 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 500 | 16.97 | 8,487 |
| 2007-05-25 | Hsing Michael (CEO) | Sale | 7,500 | 16.84 | 126,314 |
| 2007-05-24 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 500 | 17.35 | 8,675 |
| 2007-05-24 | Hsing Michael (CEO) | Sale | 7,500 | 16.97 | 127,303 |
| 2007-05-23 | Chang Kuo Wei Herbert (Director) | Sale | 12,100 | 17.71 | 214,242 |
| 2007-05-22 | Chang Kuo Wei Herbert (Director) | Sale | 10,566 | 17.68 | 186,754 |
| 2007-05-21 | Chang Kuo Wei Herbert (Director) | Sale | 9,000 | 17.63 | 158,634 |
| 2007-05-18 | Chang Kuo Wei Herbert (Director) | Sale | 40,100 | 17.77 | 712,456 |
| 2007-05-17 | Earhart Alan L (Director) | Sale | 20,000 | 17.22 | 344,400 |
| 2007-05-17 | Earhart Alan L (Director) | Option Exercise | 20,000 | 7.50 | 150,000 |
| 2007-05-17 | Chang Kuo Wei Herbert (Director) | Sale | 9,000 | 17.25 | 155,268 |
| 2007-05-03 | Hsing Michael (CEO) | Sale | 5,000 | 13.77 | 68,874 |
| 2007-05-02 | Hsing Michael (CEO) | Sale | 5,000 | 13.80 | 69,001 |
| 2007-04-25 | Hsing Michael (CEO) | Sale | 5,000 | 13.49 | 67,461 |
| 2007-04-24 | Hsing Michael (CEO) | Sale | 5,000 | 13.21 | 66,040 |
| 2007-04-19 | Hsing Michael (CEO) | Sale | 2,500 | 12.80 | 32,006 |
| 2007-04-18 | Hsing Michael (CEO) | Sale | 5,000 | 12.99 | 64,955 |
| 2007-04-12 | Hsing Michael (CEO) | Sale | 2,500 | 12.83 | 32,067 |
| 2007-04-11 | Hsing Michael (CEO) | Sale | 2,700 | 12.81 | 34,598 |
| 2007-04-05 | Hsing Michael (CEO) | Sale | 5,000 | 12.96 | 64,802 |
| 2007-04-04 | Hsing Michael (CEO) | Sale | 2,500 | 12.87 | 32,179 |
| 2007-03-28 | Hsing Michael (CEO) | Sale | 5,000 | 13.01 | 65,025 |
| 2007-03-27 | Hsing Michael (CEO) | Sale | 5,000 | 12.99 | 64,945 |
| 2007-03-22 | Hsing Michael (CEO) | Sale | 5,000 | 13.29 | 66,444 |
| 2007-03-21 | Hsing Michael (CEO) | Sale | 5,000 | 13.25 | 66,241 |
| 2007-03-16 | Hsing Michael (CEO) | Sale | 5,000 | 13.26 | 66,293 |
| 2007-03-15 | Hsing Michael (CEO) | Sale | 5,000 | 13.03 | 65,170 |
| 2007-03-08 | Hsing Michael (CEO) | Sale | 2,500 | 12.78 | 31,961 |
| 2007-03-07 | Hsing Michael (CEO) | Sale | 2,500 | 12.75 | 31,886 |
| 2007-02-28 | Hsing Michael (CEO) | Sale | 75,000 | 12.80 | 960,375 |
| 2007-02-28 | Hsing Michael (CEO) | Option Exercise | 75,000 | 1.32 | 99,000 |
| 2007-02-27 | Hsing Michael (CEO) | Sale | 75,000 | 13.04 | 978,300 |
| 2007-02-27 | Hsing Michael (CEO) | Option Exercise | 150,000 | 1.32 | 198,000 |
| 2007-02-26 | Hsing Michael (CEO) | Sale | 70,000 | 13.40 | 937,713 |
| 2007-02-26 | Hsing Michael (CEO) | Option Exercise | 65,000 | 1.32 | 85,800 |
| 2007-02-26 | Xiao Deming (VP, Operations) | Sale | 20,000 | 13.45 | 269,000 |
| 2007-02-26 | Xiao Deming (VP, Operations) | Option Exercise | 20,000 | 1.20 | 24,000 |
| 2007-02-23 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 7,500 | 13.37 | 100,281 |
| 2007-02-23 | Hsing Michael (CEO) | Sale | 65,000 | 13.36 | 868,192 |
| 2007-02-23 | Hsing Michael (CEO) | Option Exercise | 65,000 | 1.32 | 85,800 |
| 2007-02-22 | Hsing Michael (CEO) | Sale | 45,000 | 13.62 | 613,030 |
| 2007-02-22 | Hsing Michael (CEO) | Option Exercise | 45,000 | 1.32 | 59,400 |
| 2007-02-22 | Earhart Alan L (Director) | Sale | 10,000 | 13.66 | 136,550 |
| 2007-02-22 | Earhart Alan L (Director) | Option Exercise | 10,000 | 7.50 | 75,000 |
| 2007-02-21 | Xiao Deming (VP, Operations) | Sale | 9,353 | 13.70 | 128,129 |
| 2007-01-31 | Hsing Michael (CEO) | Sale | 2,500 | 12.27 | 30,679 |
| 2007-01-30 | Hsing Michael (CEO) | Sale | 2,500 | 12.40 | 31,012 |
| 2007-01-26 | Hsing Michael (CEO) | Sale | 2,500 | 12.14 | 30,352 |
| 2007-01-25 | Hsing Michael (CEO) | Sale | 2,500 | 12.14 | 30,346 |
| 2006-06-05 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 5,000 | 14.68 | 73,385 |
| 2006-06-05 | Hsing Michael (CEO) | Sale | 7,000 | 14.68 | 102,774 |
| 2006-05-30 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 5,000 | 15.19 | 75,965 |
| 2006-05-30 | Hsing Michael (CEO) | Sale | 7,000 | 15.20 | 106,407 |
| 2006-05-22 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 5,000 | 16.26 | 81,320 |
| 2006-05-22 | Hsing Michael (CEO) | Sale | 7,000 | 16.26 | 113,827 |
| 2006-05-15 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 5,000 | 16.42 | 82,095 |
| 2006-05-15 | Hsing Michael (CEO) | Sale | 7,000 | 16.42 | 114,960 |
| 2006-05-11 | Hsing Michael (CEO) | Sale | 25,000 | 17.30 | 432,524 |
| 2006-05-11 | Xiao Deming (VP, Operations) | Sale | 10,000 | 17.26 | 172,640 |
| 2006-05-11 | Xiao Deming (VP, Operations) | Option Exercise | 10,000 | .80 | 8,000 |
| 2006-05-10 | Hsing Michael (CEO) | Sale | 25,000 | 17.33 | 433,275 |
| 2006-05-10 | Moyer James C (Chief IC Design Engineer) | Sale | 1,000 | 17.50 | 17,500 |
| 2006-05-09 | Hsing Michael (CEO) | Sale | 25,000 | 17.02 | 425,575 |
| 2006-05-09 | Moyer James C (Chief IC Design Engineer) | Sale | 496 | 17.00 | 8,432 |
| 2006-05-08 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 8,092 | 18.15 | 146,837 |
| 2006-05-08 | Hsing Michael (CEO) | Sale | 34,967 | 17.96 | 627,867 |
| 2006-05-04 | Sciammas Maurice (VP, Sales and Marketing) | Sale | 9,000 | 18.60 | 167,409 |
| 2006-05-04 | Hsing Michael (CEO) | Sale | 15,000 | 18.60 | 278,955 |
| 2005-11-21 | Hsing Michael (CEO) | Sale | 7,000 | 13.98 | 97,888 |
| 2005-11-14 | Hsing Michael (CEO) | Sale | 7,000 | 16.65 | 116,528 |
| 2005-11-10 | Jones Jim J Iii (Director) | Sale | 47,491 | 14.21 | 674,847 |
| 2005-11-09 | Jones Jim J Iii (Director) | Sale | 130,338 | 14.20 | 1,850,799 |
| 2005-11-08 | Hsing Michael (CEO) | Sale | 7,000 | 13.17 | 92,169 |
| 2005-10-31 | Hsing Michael (CEO) | Sale | 3,000 | 12.75 | 38,259 |
| 2005-10-24 | Hsing Michael (CEO) | Sale | 3,000 | 11.68 | 35,025 |
| 2005-10-17 | Hsing Michael (CEO) | Sale | 3,000 | 10.60 | 31,797 |
| 2005-10-13 | Hsing Michael (CEO) | Sale | 2,000 | 10.54 | 21,080 |
| 2005-10-10 | Hsing Michael (CEO) | Sale | 1,000 | 9.83 | 9,828 |
| 2005-10-03 | Hsing Michael (CEO) | Sale | 1,000 | 8.50 | 8,505 |
| 2005-09-13 | Hsing Michael (CEO) | Sale | 1,000 | 8.50 | 8,500 |
| 2005-09-01 | Hsing Michael (CEO) | Sale | 1,000 | 8.51 | 8,506 |
| 2005-08-30 | Hsing Michael (CEO) | Sale | 10,000 | 6.88 | 68,840 |
| 2005-08-26 | Hsing Michael (CEO) | Sale | 5,256 | 7.13 | 37,475 |
| 2005-08-26 | Chang Kuo Wei Herbert (Director) | Sale | 60,772 | 7.00 | 425,494 |
| 2005-08-18 | Tseng Saria (VP and General Couns) | Sale | 2,157 | 7.50 | 16,177 |
| 2005-08-16 | Hsing Michael (CEO) | Sale | 1,800 | 7.65 | 13,770 |
| 2005-08-16 | Xiao Deming (VP of Operations) | Sale | 2,833 | 7.64 | 21,644 |
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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 Monolithic Power Systems Inc (symbol MPWR,
CIK number 1280452) see
the Securities and Exchange Commission (SEC) website.
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