Insider Stock Trading History of Wang Feng-ming


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 Wang Feng-ming since year 2005. The trader's CIK number is 1558686. At the time of this reporting, Wang Feng-ming is the CEO of Ambarella Inc . (stock ticker symbol AMBA). See this page for all insider trading activities at Ambarella Inc .


Stock purchases, sales, and option exercises reported by insider Wang Feng-ming since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-09-18 AMBA Ambarella Inc Option Ex 15,430 .00 0
2017-09-18 AMBA Ambarella Inc Sale 11,629 46.50 540,748
2017-06-16 AMBA Ambarella Inc Option Ex 15,429 .00 0
2017-06-16 AMBA Ambarella Inc Sale 11,628 48.77 567,097
2017-03-16 AMBA Ambarella Inc Option Ex 10,500 .00 0
2017-03-16 AMBA Ambarella Inc Sale 7,971 56.19 447,890
2016-12-16 AMBA Ambarella Inc Option Ex 10,500 .00 0
2016-12-16 AMBA Ambarella Inc Sale 9,021 54.21 489,028
2016-09-16 AMBA Ambarella Inc Sale 9,573 67.98 650,772
2016-09-16 AMBA Ambarella Inc Option Ex 11,542 .00 0
2016-06-16 AMBA Ambarella Inc Option Ex 11,542 .00 0
2016-06-16 AMBA Ambarella Inc Sale 9,573 51.97 497,508
2016-06-16 AMBA Ambarella Inc Option Ex 11,542 .00 0
2016-06-16 AMBA Ambarella Inc Sale 9,573 51.97 497,508
2016-03-16 AMBA Ambarella Inc Sale 8,021 37.12 297,739
2016-03-16 AMBA Ambarella Inc Option Ex 16,042 .00 0
2015-12-16 AMBA Ambarella Inc Option Ex 16,041 .00 0
2015-12-16 AMBA Ambarella Inc Sale 9,475 56.97 539,790
2015-09-16 AMBA Ambarella Inc Sale 8,483 70.80 600,596
2015-09-16 AMBA Ambarella Inc Option Ex 16,042 .00 0
2015-06-16 AMBA Ambarella Inc Option Ex 16,042 .00 0
2015-06-16 AMBA Ambarella Inc Sale 8,480 117.60 997,281
2015-03-17 AMBA Ambarella Inc Option Ex 16,041 .00 0
2015-03-17 AMBA Ambarella Inc Sale 7,172 68.22 489,273
2015-03-06 AMBA Ambarella Inc Option Ex 6,667 2.93 19,534
2015-03-06 AMBA Ambarella Inc Sale 40,000 64.65 2,586,160
2014-12-16 AMBA Ambarella Inc Option Ex 16,042 .00 0
2014-12-16 AMBA Ambarella Inc Sale 8,484 46.15 391,536
2014-12-09 AMBA Ambarella Inc Sale 50,000 49.77 2,488,650
2014-10-03 AMBA Ambarella Inc Sale 30,000 42.92 1,287,750
2014-09-23 AMBA Ambarella Inc Sale 15,000 42.00 630,000
2014-09-16 AMBA Ambarella Inc Option Ex 5,542 .00 0
2014-09-16 AMBA Ambarella Inc Sale 4,548 33.66 153,085
2014-09-09 AMBA Ambarella Inc Sale 15,000 39.10 586,455
2014-08-01 AMBA Ambarella Inc Sale 1,833 28.10 51,499
2014-07-01 AMBA Ambarella Inc Sale 9,500 32.00 304,019
2014-06-20 AMBA Ambarella Inc Sale 9,000 30.00 270,000
2014-06-16 AMBA Ambarella Inc Option Ex 5,542 .00 0
2014-06-16 AMBA Ambarella Inc Sale 4,099 26.55 108,828
2014-06-02 AMBA Ambarella Inc Sale 20,500 25.50 522,668
2014-05-01 AMBA Ambarella Inc Sale 20,500 24.96 511,680
2014-04-01 AMBA Ambarella Inc Sale 20,500 26.71 547,493
2014-03-18 AMBA Ambarella Inc Option Ex 1,041 .00 0
2014-03-18 AMBA Ambarella Inc Sale 2,437 28.00 68,236
2014-03-03 AMBA Ambarella Inc Sale 29,500 32.62 962,378
2014-02-03 AMBA Ambarella Inc Sale 73,500 31.02 2,279,749
2014-01-02 AMBA Ambarella Inc Sale 105,500 33.21 3,503,444
2013-12-26 AMBA Ambarella Inc Sale 99,000 30.00 2,970,000
2013-12-17 AMBA Ambarella Inc Sale 2,405 24.43 58,754
2013-12-17 AMBA Ambarella Inc Option Ex 1,042 .00 0
2013-12-02 AMBA Ambarella Inc Sale 72,500 24.10 1,747,250
2013-11-04 AMBA Ambarella Inc Sale 653 21.00 13,713
2013-11-01 AMBA Ambarella Inc Sale 51,000 20.18 1,029,027
2013-11-05 AMBA Ambarella Inc Sale 20,847 21.06 439,037
2013-10-16 AMBA Ambarella Inc Sale 47,000 21.01 987,329
2013-10-01 AMBA Ambarella Inc Sale 51,000 19.93 1,016,225
2013-09-16 AMBA Ambarella Inc Option Ex 1,042 .00 0
2013-09-16 AMBA Ambarella Inc Sale 396 17.80 7,048
2013-09-10 AMBA Ambarella Inc Sale 28,500 18.00 513,028
2013-09-04 AMBA Ambarella Inc Sale 27,500 15.03 413,380
2013-08-01 AMBA Ambarella Inc Sale 27,000 16.45 444,096
2013-07-16 AMBA Ambarella Inc Sale 18,495 18.00 332,910
2013-07-15 AMBA Ambarella Inc Sale 2,900 18.00 52,200
2013-07-12 AMBA Ambarella Inc Sale 32,605 18.02 587,542
2013-07-01 AMBA Ambarella Inc Sale 130,000 17.11 2,224,300
2013-06-17 AMBA Ambarella Inc Option Ex 1,041 .00 0
2013-06-18 AMBA Ambarella Inc Sale 381 18.29 6,968
2013-06-11 AMBA Ambarella Inc Sale 54,000 18.03 973,511
2013-06-07 AMBA Ambarella Inc Sale 130,000 16.16 2,100,800
2013-04-08 AMBA Ambarella Inc Option Ex 2,083 .00 0

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 Wang Feng-ming (CEO of Ambarella Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.