Insider Trading activities of Alpha & Omega Semiconductor Ltd insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Alpha & Omega Semiconductor Ltd since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Alpha & Omega Semiconductor Ltd since year 2005. Table 2 shows the detailed insider transactions of Alpha & Omega Semiconductor Ltd since 2005. The reporting company's ticker symbol is AOSL. The reporting company's CIK number is 1387467.
The total value of stock buying since 2005 is $383,103.
The total value of stock sales since 2005 is $20,661,811.
The total value of stock option exercises since 2005 is $4,376,861.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Alpha & Omega Semiconductor Ltd (AOSL).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 3,588 $61,674 0 $0
2017-05 0 $0 6,891 $128,634 5,688 $45,191
2016-12 0 $0 145,017 $3,081,516 7,500 $56,700
2016-11 0 $0 65,687 $1,409,231 15,687 $192,837
2016-10 0 $0 52,564 $1,191,022 2,564 $33,332
2016-09 0 $0 170,841 $3,593,080 170,583 $2,195,785
2016-08 0 $0 102,936 $1,628,701 102,936 $1,155,618
2016-07 0 $0 5,473 $77,204 0 $0
2016-04 0 $0 10,000 $120,000 10,000 $86,000
2016-03 0 $0 45,645 $509,717 45,645 $357,400
2015-11 0 $0 10,000 $95,000 10,000 $63,998
2015-05 1,200 $9,947 875 $7,540 0 $0
2015-04 0 $0 4,500 $40,144 4,500 $9,000
2015-03 0 $0 4,500 $40,018 4,500 $9,000
2015-02 0 $0 4,500 $40,315 4,500 $9,000
2015-01 0 $0 4,500 $41,305 4,500 $9,000
2014-12 0 $0 4,500 $40,419 4,500 $9,000
2014-11 0 $0 5,375 $47,045 4,500 $9,000
2014-10 0 $0 4,500 $38,929 4,500 $9,000
2014-09 0 $0 4,500 $47,083 4,500 $9,000
2014-08 0 $0 4,500 $41,670 4,500 $9,000
2014-07 0 $0 4,500 $41,850 4,500 $9,000
2014-06 0 $0 5,375 $47,345 4,500 $9,000
2014-05 1,295 $9,777 4,500 $33,268 4,500 $9,000
2014-04 0 $0 4,500 $32,553 4,500 $9,000
2014-03 0 $0 4,500 $32,890 4,500 $9,000
2014-02 3,500 $25,658 4,500 $32,337 4,500 $9,000
2014-01 0 $0 4,500 $33,399 4,500 $9,000
2013-12 0 $0 2,625 $20,976 0 $0
2013-11 0 $0 3,500 $25,700 0 $0
2013-01 0 $0 23,000 $207,000 23,000 $46,000
2012-12 0 $0 148,737 $1,277,228 0 $0
2012-11 0 $0 875 $7,002 0 $0
2012-09 0 $0 479,302 $4,558,884 0 $0
2012-08 0 $0 207,290 $2,031,132 0 $0
2011-09 41,229 $337,721 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Alpha & Omega Semiconductor Ltd insiders (AOSL)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-09 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 3,588 17.19 61,674
2017-05-04 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 6,891 18.67 128,634
2017-05-04 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 5,688 7.95 45,191
2016-12-13 Chang Mike F (Chief Executive Officer) Sale 24,117 22.10 533,058
2016-12-12 Chang Mike F (Chief Executive Officer) Sale 25,883 22.19 574,240
2016-12-09 Ho Yueh-se (Chief Operating Officer) Sale 6,723 20.47 137,646
2016-12-09 Chen Robert I Sale 13,350 22.00 293,700
2016-12-09 Chen Robert I Option Ex 7,500 7.56 56,700
2016-12-08 Ho Yueh-se (Chief Operating Officer) Sale 74,944 20.59 1,542,872
2016-11-28 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 7,016 22.90 160,666
2016-11-28 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 7,016 10.01 70,230
2016-11-25 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 3,080 22.90 70,532
2016-11-25 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 3,080 14.14 43,551
2016-11-23 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 1,860 22.90 42,594
2016-11-23 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 1,860 14.14 26,300
2016-11-22 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 3,731 22.90 85,439
2016-11-22 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 3,731 14.14 52,756
2016-11-14 Chang Mike F (Chief Executive Officer) Sale 21,123 21.00 443,583
2016-11-11 Chang Mike F (Chief Executive Officer) Sale 28,877 21.00 606,417
2016-10-10 Liang Yifan (CFO and Corp Secretary) Sale 2,564 23.00 58,972
2016-10-10 Liang Yifan (CFO and Corp Secretary) Option Ex 2,564 13.00 33,332
2016-10-10 Chang Mike F (Chief Executive Officer) Sale 50,000 22.64 1,132,050
2016-09-21 Ho Yueh-se (Chief Operating Officer) Sale 36,971 20.65 763,414
2016-09-21 Ho Yueh-se (Chief Operating Officer) Option Ex 36,971 12.72 470,271
2016-09-20 Ho Yueh-se (Chief Operating Officer) Sale 18,100 21.06 381,131
2016-09-20 Ho Yueh-se (Chief Operating Officer) Option Ex 70,021 12.36 865,319
2016-09-19 Ho Yueh-se (Chief Operating Officer) Sale 115,770 21.15 2,448,535
2016-09-19 Ho Yueh-se (Chief Operating Officer) Option Ex 63,591 13.53 860,195
2016-08-11 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 10,500 17.50 183,750
2016-08-11 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 10,500 9.90 103,950
2016-08-11 Liang Yifan (CFO and Corp Secretary) Sale 17,436 16.00 278,976
2016-08-11 Liang Yifan (CFO and Corp Secretary) Option Ex 17,436 13.00 226,668
2016-08-11 Ho Yueh-se (Chief Operating Officer) Sale 74,500 15.55 1,158,475
2016-08-11 Ho Yueh-se (Chief Operating Officer) Option Ex 74,500 11.00 819,500
2016-08-10 Ho Yueh-se (Chief Operating Officer) Sale 500 15.00 7,500
2016-08-10 Ho Yueh-se (Chief Operating Officer) Option Ex 500 11.00 5,500
2016-07-13 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 2,070 14.50 30,015
2016-07-08 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 724 14.00 10,136
2016-07-01 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 2,679 13.83 37,053
2016-04-06 Liang Yifan (CFO and Corp Secretary) Sale 10,000 12.00 120,000
2016-04-06 Liang Yifan (CFO and Corp Secretary) Option Ex 10,000 8.60 86,000
2016-03-31 Chang Daniel Kuang Ming (Senior VP of Marketing) Sale 45,645 11.17 509,717
2016-03-31 Chang Daniel Kuang Ming (Senior VP of Marketing) Option Ex 45,645 7.83 357,400
2015-11-20 Liang Yifan (CFO and Corp Secretary) Sale 4,944 9.50 46,968
2015-11-20 Liang Yifan (CFO and Corp Secretary) Option Ex 4,944 6.40 31,641
2015-11-19 Liang Yifan (CFO and Corp Secretary) Sale 4,500 9.50 42,750
2015-11-19 Liang Yifan (CFO and Corp Secretary) Option Ex 4,500 6.40 28,800
2015-11-09 Liang Yifan (CFO and Corp Secretary) Sale 12 9.50 114
2015-11-09 Liang Yifan (CFO and Corp Secretary) Option Ex 12 6.40 76
2015-11-05 Liang Yifan (CFO and Corp Secretary) Sale 544 9.50 5,168
2015-11-05 Liang Yifan (CFO and Corp Secretary) Option Ex 544 6.40 3,481
2015-05-15 Grizelj Tony (VP of Power Discrete Product) Sale 875 8.62 7,540
2015-05-08 Salameh Michael J Buy 1,200 8.29 9,947
2015-04-02 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.92 40,144
2015-04-02 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2015-03-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.89 40,018
2015-03-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2015-02-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.96 40,315
2015-02-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2015-01-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 9.18 41,305
2015-01-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-12-15 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.98 40,419
2014-12-15 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-11-20 Grizelj Tony (VP of Power Discrete Product) Sale 875 8.34 7,297
2014-11-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.83 39,748
2014-11-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-10-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.65 38,929
2014-10-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-09-15 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 10.46 47,083
2014-09-15 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-08-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 9.26 41,670
2014-08-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-07-14 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 9.30 41,850
2014-07-14 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-06-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 8.81 39,654
2014-06-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-06-12 Grizelj Tony (VP of Power Discrete Product) Sale 875 8.79 7,691
2014-05-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 7.39 33,268
2014-05-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-05-12 Salameh Michael J Buy 1,295 7.55 9,777
2014-04-14 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 7.23 32,553
2014-04-14 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-03-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 7.31 32,890
2014-03-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-02-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 7.19 32,337
2014-02-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2014-02-11 Salameh Michael J Buy 3,500 7.33 25,658
2014-01-13 Grizelj Tony (VP of Power Discrete Product) Sale 4,500 7.42 33,399
2014-01-13 Grizelj Tony (VP of Power Discrete Product) Option Ex 4,500 2.00 9,000
2013-12-27 Yilmaz Hamza (Chief Technology Officer) Sale 2,625 7.99 20,976
2013-11-18 Grizelj Tony (VP of World Wide Sales) Sale 1,750 7.31 12,794
2013-11-07 Grizelj Tony (VP of World Wide Sales) Sale 1,750 7.38 12,906
2013-01-17 Liang Yifan (Chief Accounting Officer) Sale 4,980 9.00 44,820
2013-01-17 Liang Yifan (Chief Accounting Officer) Option Ex 4,980 2.00 9,960
2013-01-15 Liang Yifan (Chief Accounting Officer) Sale 10,878 9.00 97,902
2013-01-15 Liang Yifan (Chief Accounting Officer) Option Ex 10,878 2.00 21,756
2013-01-02 Liang Yifan (Chief Accounting Officer) Sale 7,142 9.00 64,278
2013-01-02 Liang Yifan (Chief Accounting Officer) Option Ex 7,142 2.00 14,284
2012-12-31 Liang Yifan (Chief Accounting Officer) Sale 10,500 8.00 84,000
2012-12-14 Sequoia Capital Growth Partners Iii (10% Owner) Sale 43,397 8.32 361,063
2012-12-13 Sequoia Capital Growth Partners Iii (10% Owner) Sale 19,500 8.70 169,650
2012-12-12 Sequoia Capital Growth Partners Iii (10% Owner) Sale 24,600 8.76 215,496
2012-12-11 Sequoia Capital Growth Partners Iii (10% Owner) Sale 50,740 8.81 447,019
2012-11-15 Grizelj Tony (VP of World Wide Sales) Sale 875 8.00 7,002
2012-09-14 Sequoia Capital Growth Partners Iii (10% Owner) Sale 63,632 9.40 598,140
2012-09-14 Stevens Mark A (Director) Sale 63,632 9.40 598,140
2012-09-12 Sequoia Capital Growth Partners Iii (10% Owner) Sale 50,000 9.45 472,499
2012-09-12 Stevens Mark A (Director) Sale 50,000 9.45 472,499
2012-09-11 Sequoia Capital Growth Partners Iii (10% Owner) Sale 50,000 9.45 472,499
2012-09-11 Stevens Mark A (Director) Sale 50,000 9.45 472,499
2012-09-10 Sequoia Capital Growth Partners Iii (10% Owner) Sale 3,001 9.62 28,869
2012-09-10 Stevens Mark A (Director) Sale 3,001 9.62 28,869
2012-09-07 Sequoia Capital Growth Partners Iii (10% Owner) Sale 5,444 9.74 53,024
2012-09-07 Stevens Mark A (Director) Sale 5,444 9.74 53,024
2012-09-06 Sequoia Capital Growth Partners Iii (10% Owner) Sale 36,570 9.76 356,923
2012-09-06 Stevens Mark A (Director) Sale 36,570 9.76 356,923
2012-09-05 Sequoia Capital Growth Partners Iii (10% Owner) Sale 16,504 9.67 159,593
2012-09-05 Stevens Mark A (Director) Sale 16,504 9.67 159,593
2012-09-04 Sequoia Capital Growth Partners Iii (10% Owner) Sale 14,500 9.51 137,895
2012-09-04 Stevens Mark A (Director) Sale 14,500 9.51 137,895
2012-08-31 Sequoia Capital Growth Partners Iii (10% Owner) Sale 7,234 9.45 68,361
2012-08-31 Stevens Mark A (Director) Sale 7,234 9.45 68,361
2012-08-30 Sequoia Capital Growth Partners Iii (10% Owner) Sale 12,752 9.47 120,761
2012-08-30 Stevens Mark A (Director) Sale 12,752 9.47 120,761
2012-08-29 Sequoia Capital Growth Partners Iii (10% Owner) Sale 9,666 9.87 95,403
2012-08-29 Stevens Mark A (Director) Sale 9,666 9.87 95,403
2012-08-28 Sequoia Capital Growth Partners Iii (10% Owner) Sale 1,974 9.81 19,364
2012-08-28 Stevens Mark A (Director) Sale 1,974 9.81 19,364
2012-08-27 Sequoia Capital Growth Partners Iii (10% Owner) Sale 7,224 9.86 71,228
2012-08-27 Stevens Mark A (Director) Sale 7,224 9.86 71,228
2012-08-24 Sequoia Capital Growth Partners Iii (10% Owner) Sale 15,260 9.86 150,463
2012-08-24 Stevens Mark A (Director) Sale 15,260 9.86 150,463
2012-08-23 Sequoia Capital Growth Partners Iii (10% Owner) Sale 5,682 9.77 55,513
2012-08-23 Stevens Mark A (Director) Sale 5,682 9.77 55,513
2012-08-22 Sequoia Capital Growth Partners Iii (10% Owner) Sale 8,901 9.78 87,051
2012-08-22 Stevens Mark A (Director) Sale 8,901 9.78 87,051
2012-08-21 Sequoia Capital Growth Partners Iii (10% Owner) Sale 34,952 9.94 347,422
2012-08-21 Stevens Mark A (Director) Sale 34,952 9.94 347,422
2011-09-15 Stevens Mark A (Director) Buy 25,200 8.36 210,546
2011-09-14 Stevens Mark A (Director) Buy 9,800 8.02 78,566
2011-09-13 Stevens Mark A (Director) Buy 5,000 7.88 39,380
2011-09-12 Bailey Howard (Director) Buy 1,229 7.51 9,229

Insider trading activities including stock purchases, stock sales, and option exercises of AOSL listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Alpha & Omega Semiconductor Ltd (symbol AOSL, CIK number 1387467) see the Securities and Exchange Commission (SEC) website.