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Insider Trading: Diodes Inc /del/
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Diodes Inc /del/ in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Diodes Inc /del/ since year 2005. Table 2 shows the detailed insider transactions of Diodes Inc /del/ since 2005.
The reporting company's ticker symbol is DIOD.
The reporting company's CIK number is 29002.
The total value of stock buying since 2005 is $3,657,630.
The total value of stock sales is $34,281,718.
The total value of stock exercises is $5,358,234.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Diodes Inc /del/ (DIOD) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 -
Figure 2. Average prices of insider buys, sales, and option exercises at Diodes Inc /del/ (DIOD) in the past 24 months. See table 2 for insider transaction details.
12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 09 10 11 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for Diodes Inc /del/ (DIOD).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-11 | 339,000 | 1,492,903 | 0 | 0 | 43,875 | 110,889 |
| 2008-10 | 0 | 0 | 938 | 12,625 | 0 | 0 |
| 2008-08 | 0 | 0 | 8,250 | 227,947 | 8,250 | 10,997 |
| 2008-06 | 0 | 0 | 54,233 | 1,599,329 | 100,000 | 252,740 |
| 2008-05 | 0 | 0 | 15,135 | 408,407 | 12,000 | 15,996 |
| 2008-02 | 0 | 0 | 12,000 | 286,060 | 80,750 | 189,757 |
| 2007-12 | 0 | 0 | 0 | 0 | 30,000 | 39,990 |
| 2007-11 | 0 | 0 | 38,250 | 1,128,715 | 12,000 | 15,999 |
| 2007-08 | 0 | 0 | 133,500 | 4,079,374 | 133,500 | 320,557 |
| 2007-07 | 0 | 0 | 59,847 | 2,550,768 | 59,847 | 572,260 |
| 2007-06 | 0 | 0 | 59,716 | 2,349,208 | 59,716 | 546,287 |
| 2007-05 | 0 | 0 | 88,608 | 3,250,672 | 158,983 | 1,126,914 |
| 2007-04 | 0 | 0 | 1,017 | 38,646 | 1,017 | 9,303 |
| 2007-03 | 0 | 0 | 30,000 | 1,082,775 | 30,000 | 274,443 |
| 2007-02 | 0 | 0 | 18,000 | 649,987 | 18,000 | 36,000 |
| 2006-11 | 0 | 0 | 8,000 | 329,160 | 8,000 | 16,000 |
| 2006-09 | 0 | 0 | 87,750 | 3,971,484 | 87,750 | 418,074 |
| 2006-08 | 0 | 0 | 136,875 | 5,120,742 | 91,875 | 202,437 |
| 2006-07 | 790 | 27,057 | 0 | 0 | 33,750 | 60,000 |
| 2006-05 | 30,000 | 1,043,355 | 22,000 | 804,961 | 7,500 | 15,000 |
| 2006-03 | 0 | 0 | 96,534 | 3,500,321 | 96,534 | 527,360 |
| 2006-02 | 30,000 | 1,094,315 | 77,000 | 2,890,537 | 93,750 | 597,231 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for Diodes Inc /del/ (DIOD)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-11-21 | Tang Shiao Kwang Edmund (VP of Corporate Administration) | Purchase | 3,000 | 3.74 | 11,229 |
| 2008-11-21 | Lu Keh Shew (President & CEO) | Purchase | 19,500 | 3.60 | 70,200 |
| 2008-11-20 | Tang Shiao Kwang Edmund (VP of Corporate Administration) | Purchase | 2,000 | 4.00 | 8,000 |
| 2008-11-20 | Giordano Michael R | Option Exercise | 33,875 | 2.53 | 85,615 |
| 2008-11-20 | Lu Keh Shew (President & CEO) | Purchase | 100,500 | 3.85 | 386,925 |
| 2008-11-19 | Tang Shiao Kwang Edmund (VP of Corporate Administration) | Purchase | 2,000 | 4.50 | 9,000 |
| 2008-11-19 | Lu Keh Shew (President & CEO) | Purchase | 57,509 | 4.46 | 256,633 |
| 2008-11-18 | Tang Shiao Kwang Edmund (VP of Corporate Administration) | Purchase | 2,000 | 4.75 | 9,500 |
| 2008-11-18 | White Richard Dallas (Sr.VP of Finance) | Purchase | 1,000 | 4.75 | 4,750 |
| 2008-11-18 | Lu Keh Shew (President & CEO) | Purchase | 62,491 | 4.70 | 293,707 |
| 2008-11-17 | Tang Shiao Kwang Edmund (VP of Corporate Administration) | Purchase | 3,000 | 5.00 | 15,000 |
| 2008-11-17 | White Richard Dallas (Sr.VP of Finance) | Purchase | 3,000 | 4.90 | 14,700 |
| 2008-11-17 | Lu Keh Shew (President & CEO) | Purchase | 20,000 | 4.90 | 98,000 |
| 2008-11-14 | Tang Shiao Kwang Edmund (VP of Corporate Administration) | Purchase | 3,000 | 5.42 | 16,260 |
| 2008-11-13 | Lu Keh Shew (President & CEO) | Purchase | 60,000 | 4.98 | 298,999 |
| 2008-11-11 | Giordano Michael R | Option Exercise | 10,000 | 2.53 | 25,274 |
| 2008-10-06 | Lee Tung Cheo (VP Packaging Operations) | Sale | 938 | 13.46 | 12,625 |
| 2008-08-15 | Giordano Michael R | Sale | 8,250 | 27.63 | 227,947 |
| 2008-08-15 | Giordano Michael R | Option Exercise | 8,250 | 1.33 | 10,997 |
| 2008-06-24 | Lee Tung Cheo (VP Packaging Operations) | Sale | 1,500 | 28.80 | 43,197 |
| 2008-06-11 | Chen C H | Sale | 50,000 | 29.60 | 1,480,000 |
| 2008-06-11 | Chen C H | Option Exercise | 100,000 | 2.53 | 252,740 |
| 2008-06-04 | Tang Francis (VP of Product Development) | Sale | 223 | 27.82 | 6,204 |
| 2008-06-04 | Ho Steven (President Asia Operations) | Sale | 59 | 27.70 | 1,634 |
| 2008-06-04 | Wertz Carl C (CFO, Secretary & Treasurer) | Sale | 937 | 27.87 | 26,111 |
| 2008-06-04 | Liu Joseph (Sr. VP, Operations) | Sale | 389 | 27.80 | 10,815 |
| 2008-06-04 | King Mark A (SVP Sales & Marketing) | Sale | 1,125 | 27.88 | 31,368 |
| 2008-05-23 | Tang Francis (VP of Product Development) | Sale | 227 | 26.46 | 6,006 |
| 2008-05-23 | Ho Steven (President Asia Operations) | Sale | 59 | 26.46 | 1,561 |
| 2008-05-23 | Wertz Carl C (CFO, Secretary & Treasurer) | Sale | 1,125 | 26.46 | 29,768 |
| 2008-05-23 | Liu Joseph (Sr. VP, Operations) | Sale | 411 | 26.46 | 10,875 |
| 2008-05-23 | King Mark A (SVP Sales & Marketing) | Sale | 1,313 | 26.46 | 34,743 |
| 2008-05-15 | Giordano Michael R | Sale | 12,000 | 27.12 | 325,454 |
| 2008-05-15 | Giordano Michael R | Option Exercise | 12,000 | 1.33 | 15,996 |
| 2008-02-25 | Chen C H | Option Exercise | 68,750 | 2.53 | 173,758 |
| 2008-02-15 | Giordano Michael R | Sale | 12,000 | 23.84 | 286,060 |
| 2008-02-15 | Giordano Michael R | Option Exercise | 12,000 | 1.33 | 15,999 |
| 2007-12-17 | Mao Shing | Option Exercise | 30,000 | 1.33 | 39,990 |
| 2007-11-29 | Mao Shing | Sale | 9,375 | 29.74 | 278,765 |
| 2007-11-28 | Ho Steven (VP Asia President) | Sale | 16,875 | 29.56 | 498,882 |
| 2007-11-15 | Giordano Michael R | Sale | 12,000 | 29.26 | 351,068 |
| 2007-11-15 | Giordano Michael R | Option Exercise | 12,000 | 1.33 | 15,999 |
| 2007-08-16 | Giordano Michael R | Sale | 4,000 | 28.18 | 112,704 |
| 2007-08-15 | Giordano Michael R | Sale | 8,000 | 27.98 | 223,816 |
| 2007-08-15 | Giordano Michael R | Option Exercise | 12,000 | 1.33 | 15,999 |
| 2007-08-09 | King Mark A (Sr. VP, Operations) | Sale | 81,000 | 30.83 | 2,497,236 |
| 2007-08-09 | King Mark A (Sr. VP, Operations) | Option Exercise | 81,000 | 2.50 | 202,199 |
| 2007-07-11 | Wertz Carl C (CFO, Secretary & Treasurer) | Sale | 7,347 | 44.00 | 323,268 |
| 2007-07-11 | Wertz Carl C (CFO, Secretary & Treasurer) | Option Exercise | 7,347 | 10.63 | 78,095 |
| 2007-07-10 | Wertz Carl C (CFO, Secretary & Treasurer) | Sale | 7,500 | 43.00 | 322,500 |
| 2007-07-10 | Wertz Carl C (CFO, Secretary & Treasurer) | Option Exercise | 7,500 | 10.63 | 79,722 |
| 2007-07-10 | Chen C H | Sale | 10,000 | 43.00 | 430,000 |
| 2007-07-10 | Chen C H | Option Exercise | 10,000 | 8.93 | 89,259 |
| 2007-07-09 | Chen C H | Sale | 10,000 | 42.50 | 425,000 |
| 2007-07-09 | Chen C H | Option Exercise | 10,000 | 8.93 | 89,259 |
| 2007-07-03 | Wertz Carl C (CFO, Secretary & Treasurer) | Sale | 7,500 | 42.00 | 315,000 |
| 2007-07-03 | Wertz Carl C (CFO, Secretary & Treasurer) | Option Exercise | 7,500 | 10.63 | 79,722 |
| 2007-07-03 | Chen C H | Sale | 17,500 | 42.00 | 735,000 |
| 2007-07-03 | Chen C H | Option Exercise | 17,500 | 8.93 | 156,203 |
| 2007-06-18 | Liu Joseph (Sr. VP, Operations) | Sale | 40,000 | 40.00 | 1,600,000 |
| 2007-06-18 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 40,000 | 9.15 | 365,924 |
| 2007-06-12 | Liu Joseph (Sr. VP, Operations) | Sale | 19,716 | 38.00 | 749,208 |
| 2007-06-12 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 19,716 | 9.15 | 180,363 |
| 2007-05-31 | Liu Joseph (Sr. VP, Operations) | Sale | 24,490 | 36.22 | 887,150 |
| 2007-05-31 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 24,490 | 9.15 | 224,036 |
| 2007-05-30 | Liu Joseph (Sr. VP, Operations) | Sale | 9,562 | 36.00 | 344,232 |
| 2007-05-30 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 9,562 | 9.15 | 87,474 |
| 2007-05-29 | Liu Joseph (Sr. VP, Operations) | Sale | 1,020 | 36.00 | 36,720 |
| 2007-05-29 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 1,020 | 9.15 | 9,331 |
| 2007-05-23 | Wertz Carl C (CFO, Secretary & Treasurer) | Sale | 750 | 35.54 | 26,652 |
| 2007-05-23 | Liu Joseph (Sr. VP, Operations) | Sale | 14,928 | 36.04 | 538,038 |
| 2007-05-23 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 14,928 | 9.15 | 136,562 |
| 2007-05-23 | King Mark A (Sr. VP, Operations) | Sale | 875 | 35.54 | 31,094 |
| 2007-05-15 | Giordano Michael R | Sale | 8,000 | 35.68 | 285,432 |
| 2007-05-15 | Giordano Michael R | Option Exercise | 8,000 | 2.00 | 16,000 |
| 2007-05-10 | Lu Keh Shew (President & CEO) | Option Exercise | 72,000 | 5.39 | 388,372 |
| 2007-05-03 | Liu Joseph (Sr. VP, Operations) | Sale | 28,983 | 38.00 | 1,101,354 |
| 2007-05-03 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 28,983 | 9.15 | 265,139 |
| 2007-04-20 | Liu Joseph (Sr. VP, Operations) | Sale | 1,017 | 38.00 | 38,646 |
| 2007-04-20 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 1,017 | 9.15 | 9,303 |
| 2007-03-08 | Liu Joseph (Sr. VP, Operations) | Sale | 30,000 | 36.09 | 1,082,775 |
| 2007-03-08 | Liu Joseph (Sr. VP, Operations) | Option Exercise | 30,000 | 9.15 | 274,443 |
| 2007-02-15 | Giordano Michael R | Sale | 8,000 | 36.59 | 292,688 |
| 2007-02-15 | Giordano Michael R | Option Exercise | 8,000 | 2.00 | 16,000 |
| 2007-02-12 | Mao Shing | Sale | 10,000 | 35.73 | 357,299 |
| 2007-02-12 | Mao Shing | Option Exercise | 10,000 | 2.00 | 20,000 |
| 2006-11-15 | Giordano Michael R | Sale | 8,000 | 41.14 | 329,160 |
| 2006-11-15 | Giordano Michael R | Option Exercise | 8,000 | 2.00 | 16,000 |
| 2006-09-18 | Wertz Carl C (Chief Financial Officer) | Sale | 27,000 | 45.92 | 1,239,749 |
| 2006-09-18 | Wertz Carl C (Chief Financial Officer) | Option Exercise | 27,000 | 7.06 | 190,599 |
| 2006-09-18 | Stich John M (Director) | Sale | 27,000 | 45.80 | 1,236,600 |
| 2006-09-18 | Stich John M (Director) | Option Exercise | 27,000 | 3.74 | 101,100 |
| 2006-09-15 | Wertz Carl C (Chief Financial Officer) | Sale | 33,750 | 44.30 | 1,495,135 |
| 2006-09-15 | Wertz Carl C (Chief Financial Officer) | Option Exercise | 33,750 | 3.74 | 126,375 |
| 2006-08-18 | Wertz Carl C (Chief Financial Officer) | Sale | 11,712 | 40.00 | 468,480 |
| 2006-08-18 | Wertz Carl C (Chief Financial Officer) | Option Exercise | 11,712 | 2.96 | 34,702 |
| 2006-08-16 | Giordano Michael R (Director) | Sale | 12,000 | 39.33 | 472,012 |
| 2006-08-16 | Giordano Michael R (Director) | Option Exercise | 7,500 | 2.00 | 15,000 |
| 2006-08-16 | Wertz Carl C (Chief Financial Officer) | Sale | 16,413 | 39.50 | 648,313 |
| 2006-08-16 | Wertz Carl C (Chief Financial Officer) | Option Exercise | 16,413 | 2.96 | 48,631 |
| 2006-08-15 | Wertz Carl C (Chief Financial Officer) | Sale | 81,000 | 36.75 | 2,976,750 |
| 2006-08-15 | Wertz Carl C (Chief Financial Officer) | Option Exercise | 56,250 | 1.85 | 104,104 |
| 2006-08-14 | Wertz Carl C (Chief Financial Officer) | Sale | 15,750 | 35.25 | 555,187 |
| 2006-07-31 | Wertz Carl C (Chief Financial Officer) | Option Exercise | 33,750 | 1.78 | 60,000 |
| 2006-07-13 | Tang Francis (VP Product Development) | Purchase | 790 | 34.25 | 27,057 |
| 2006-05-23 | Lu Keh Shew (President & CEO) | Purchase | 30,000 | 34.78 | 1,043,355 |
| 2006-05-18 | Mao Shing (Director) | Sale | 10,000 | 36.43 | 364,300 |
| 2006-05-15 | Giordano Michael R (Director) | Sale | 12,000 | 36.72 | 440,661 |
| 2006-05-15 | Giordano Michael R (Director) | Option Exercise | 7,500 | 2.00 | 15,000 |
| 2006-03-09 | Liu Joseph (Sr. VP Operations) | Sale | 9,488 | 36.68 | 348,019 |
| 2006-03-08 | Liu Joseph (Sr. VP Operations) | Sale | 64,319 | 35.47 | 2,281,394 |
| 2006-03-07 | Liu Joseph (Senior V.P. Operations) | Sale | 6,159 | 37.44 | 230,564 |
| 2006-03-06 | Liu Joseph (Senior V.P. Operations) | Sale | 16,568 | 38.65 | 640,344 |
| 2006-03-06 | Liu Joseph (Senior V.P. Operations) | Option Exercise | 96,534 | 5.46 | 527,360 |
| 2006-02-24 | Chen C H (Director) | Sale | 24,904 | 38.00 | 946,352 |
| 2006-02-24 | Chen C H (Director) | Option Exercise | 24,904 | 8.93 | 222,293 |
| 2006-02-23 | Giordano Michael R (Director) | Sale | 4,000 | 37.77 | 151,083 |
| 2006-02-23 | Giordano Michael R (Director) | Option Exercise | 2,500 | 2.00 | 5,000 |
| 2006-02-23 | Chen C H (Director) | Sale | 3,856 | 38.00 | 146,528 |
| 2006-02-23 | Chen C H (Director) | Option Exercise | 3,856 | 8.93 | 34,418 |
| 2006-02-22 | Lu Keh Shew (President & CEO) | Purchase | 10,000 | 36.54 | 365,429 |
| 2006-02-22 | Chen C H (Director) | Sale | 1,240 | 38.00 | 47,120 |
| 2006-02-22 | Chen C H (Director) | Option Exercise | 1,240 | 8.93 | 11,068 |
| 2006-02-21 | Lu Keh Shew (President & CEO) | Purchase | 20,000 | 36.44 | 728,886 |
| 2006-02-21 | Chen C H (Director) | Sale | 30,000 | 37.00 | 1,110,000 |
| 2006-02-21 | Chen C H (Director) | Option Exercise | 30,000 | 8.93 | 267,780 |
| 2006-02-15 | Giordano Michael R (Director) | Sale | 8,000 | 37.06 | 296,454 |
| 2006-02-15 | Giordano Michael R (Director) | Option Exercise | 5,000 | 2.00 | 10,000 |
| 2006-02-09 | Mao Shing (Director) | Sale | 5,000 | 38.60 | 193,000 |
| 2006-02-09 | Mao Shing (Director) | Option Exercise | 26,250 | 1.78 | 46,672 |
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 Diodes Inc /del/ (symbol DIOD,
CIK number 29002) see
the Securities and Exchange Commission (SEC) website.
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