Insider Trading activities of Ambarella Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Ambarella Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Ambarella Inc since year 2005. Table 2 shows the detailed insider transactions of Ambarella Inc since 2005. The reporting company's ticker symbol is AMBA. The reporting company's CIK number is 1280263.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $120,740,070.
The total value of stock option exercises since 2005 is $6,445,043.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Ambarella Inc (AMBA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 0 $0 27,835 $1,301,263 42,986 $0
2017-06 0 $0 24,963 $1,227,394 43,978 $6,000
2017-03 0 $0 28,130 $1,574,641 34,327 $16,699
2016-12 0 $0 20,236 $1,096,991 32,251 $0
2016-09 0 $0 78,918 $5,389,340 86,925 $510,762
2016-06 0 $0 60,739 $3,155,272 112,484 $6,000
2016-03 0 $0 19,101 $720,587 48,864 $0
2015-12 0 $0 28,227 $1,613,986 49,851 $6,000
2015-10 0 $0 0 $0 16,109 $212,155
2015-09 0 $0 42,818 $3,014,424 55,194 $209,490
2015-06 0 $0 45,117 $5,221,191 67,380 $229,234
2015-03 0 $0 175,349 $12,021,457 140,255 $702,853
2015-01 0 $0 38,000 $2,204,000 38,000 $189,354
2014-12 0 $0 123,373 $6,252,692 94,234 $318,579
2014-11 0 $0 35,000 $1,698,375 31,000 $152,430
2014-10 0 $0 65,000 $2,673,375 20,000 $92,100
2014-09 0 $0 184,622 $7,368,186 88,224 $527,439
2014-08 0 $0 36,833 $1,126,649 45,555 $168,477
2014-07 0 $0 24,500 $763,949 0 $0
2014-06 0 $0 66,219 $1,814,540 30,701 $32,000
2014-05 0 $0 77,500 $1,908,924 0 $0
2014-04 0 $0 77,500 $2,081,003 2,084 $18,005
2014-03 0 $0 181,402 $5,840,412 62,401 $479,695
2014-02 0 $0 136,583 $4,173,307 20,000 $24,400
2014-01 0 $0 236,583 $7,796,128 60,000 $390,400
2013-12 0 $0 388,296 $10,189,200 119,869 $1,002,651
2013-11 0 $0 163,583 $3,399,016 0 $0
2013-10 0 $0 239,083 $4,956,737 50,000 $437,400
2013-09 0 $0 176,720 $3,013,083 66,667 $499,080
2013-08 0 $0 62,083 $1,019,348 0 $0
2013-07 0 $0 219,083 $3,797,538 0 $0
2013-06 0 $0 295,223 $4,902,044 28,081 $213,840
2013-04 0 $0 0 $0 6,665 $0
2012-10 0 $0 1,237,503 $7,425,018 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Ambarella Inc insiders (AMBA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-29 Day Christopher (VP, Marketing) Sale 2,618 49.15 128,674
2017-09-18 Chen Yun-lung (VP, Business Development) Option Ex 4,639 .00 0
2017-09-18 Wang Feng-ming (CEO) Sale 11,629 46.50 540,748
2017-09-18 Wang Feng-ming (CEO) Option Ex 15,430 .00 0
2017-09-18 Day Christopher (VP, Marketing) Sale 1,529 46.50 71,098
2017-09-18 Day Christopher (VP, Marketing) Option Ex 2,934 .00 0
2017-09-18 Laplante George (Chief Financial Officer) Sale 5,592 46.50 260,028
2017-09-18 Laplante George (Chief Financial Officer) Option Ex 7,574 .00 0
2017-09-18 Kohn Leslie (Chief Technology Officer) Sale 6,467 46.50 300,715
2017-09-18 Kohn Leslie (Chief Technology Officer) Option Ex 9,088 .00 0
2017-09-18 Richardson David Jeffrey (Director) Option Ex 1,143 .00 0
2017-09-18 Hu Chenming (Director) Option Ex 726 .00 0
2017-09-18 Verhalen Andrew W (Director) Option Ex 726 .00 0
2017-09-18 Paisley Christopher B (Director) Option Ex 726 .00 0
2017-06-16 Chen Yun-lung (VP, Business Development) Option Ex 4,636 .00 0
2017-06-16 Wang Feng-ming (CEO) Sale 11,628 48.77 567,097
2017-06-16 Wang Feng-ming (CEO) Option Ex 15,429 .00 0
2017-06-16 Day Christopher (VP, Marketing) Sale 1,526 48.77 74,423
2017-06-16 Day Christopher (VP, Marketing) Option Ex 2,932 .00 0
2017-06-16 Laplante George (Chief Financial Officer) Sale 4,836 48.77 235,851
2017-06-16 Laplante George (Chief Financial Officer) Option Ex 7,573 .00 0
2017-06-16 Kohn Leslie (Chief Technology Officer) Sale 5,973 48.77 291,303
2017-06-16 Kohn Leslie (Chief Technology Officer) Option Ex 9,088 .00 0
2017-06-16 Richardson David Jeffrey (Director) Option Ex 1,142 .00 0
2017-06-16 Hu Chenming (Director) Option Ex 726 .00 0
2017-06-16 Verhalen Andrew W (Director) Option Ex 726 .00 0
2017-06-16 Paisley Christopher B (Director) Option Ex 726 .00 0
2017-06-01 Paisley Christopher B (Director) Sale 1,000 58.72 58,720
2017-06-01 Paisley Christopher B (Director) Option Ex 1,000 6.00 6,000
2017-03-31 Day Christopher (VP, Marketing) Sale 2,109 55.50 117,049
2017-03-16 Chen Yun-lung (Vice President, Sales) Option Ex 3,708 .00 0
2017-03-16 Wang Feng-ming (CEO) Sale 7,971 56.19 447,890
2017-03-16 Wang Feng-ming (CEO) Option Ex 10,500 .00 0
2017-03-16 Day Christopher (VP, Marketing) Sale 1,193 56.19 67,034
2017-03-16 Day Christopher (VP, Marketing) Option Ex 2,057 .00 0
2017-03-16 Laplante George (CFO) Sale 3,226 56.19 181,268
2017-03-16 Laplante George (CFO) Option Ex 5,469 .00 0
2017-03-16 Kohn Leslie (CTO) Sale 3,662 56.19 205,767
2017-03-16 Kohn Leslie (CTO) Option Ex 6,475 .00 0
2017-03-16 Richardson David Jeffrey (Director) Option Ex 1,143 .00 0
2017-03-16 Hu Chenming (Director) Option Ex 726 .00 0
2017-03-16 Verhalen Andrew W (Director) Option Ex 726 .00 0
2017-03-16 Paisley Christopher B (Director) Option Ex 726 .00 0
2017-03-16 Tan Lip Bu (Director) Option Ex 726 .00 0
2017-03-13 Chen Yun-lung (Vice President, Sales) Sale 7,898 55.16 435,653
2017-03-13 Day Christopher (VP, Marketing) Sale 1,071 55.50 59,440
2017-03-13 Day Christopher (VP, Marketing) Option Ex 1,071 9.99 10,699
2017-03-01 Paisley Christopher B (Director) Sale 1,000 60.54 60,540
2017-03-01 Paisley Christopher B (Director) Option Ex 1,000 6.00 6,000
2016-12-16 Chen Yun-lung (Vice President, Sales) Option Ex 3,706 .00 0
2016-12-16 Wang Feng-ming (CEO) Sale 9,021 54.21 489,028
2016-12-16 Wang Feng-ming (CEO) Option Ex 10,500 .00 0
2016-12-16 Day Christopher (VP, Marketing) Sale 1,656 54.21 89,771
2016-12-16 Day Christopher (VP, Marketing) Option Ex 2,055 .00 0
2016-12-16 Laplante George (CFO) Sale 4,476 54.21 242,643
2016-12-16 Laplante George (CFO) Option Ex 5,468 .00 0
2016-12-16 Kohn Leslie (CTO) Sale 5,083 54.21 275,549
2016-12-16 Kohn Leslie (CTO) Option Ex 6,475 .00 0
2016-12-16 Richardson David Jeffrey (Director) Option Ex 1,143 .00 0
2016-12-16 Hu Chenming (Director) Option Ex 726 .00 0
2016-12-16 Verhalen Andrew W (Director) Option Ex 726 .00 0
2016-12-16 Paisley Christopher B (Director) Option Ex 726 .00 0
2016-12-16 Tan Lip Bu (Director) Option Ex 726 .00 0
2016-09-30 Chen Yun-lung (Vice President, Sales) Sale 4,197 74.19 311,375
2016-09-29 Day Christopher (VP, Marketing) Sale 4,272 69.32 296,135
2016-09-29 Day Christopher (VP, Marketing) Option Ex 2,063 24.45 50,450
2016-09-29 Laplante George (CFO) Sale 10,000 70.00 700,000
2016-09-29 Laplante George (CFO) Option Ex 10,000 8.82 88,200
2016-09-28 Day Christopher (VP, Marketing) Sale 3,543 68.64 243,195
2016-09-28 Day Christopher (VP, Marketing) Option Ex 3,000 24.45 73,365
2016-09-27 Day Christopher (VP, Marketing) Sale 2,595 67.18 174,326
2016-09-27 Day Christopher (VP, Marketing) Option Ex 926 8.82 8,167
2016-09-21 Day Christopher (VP, Marketing) Sale 2,000 67.00 134,000
2016-09-21 Day Christopher (VP, Marketing) Option Ex 2,000 9.99 19,980
2016-09-16 Chen Yun-lung (Vice President, Sales) Option Ex 4,197 .00 0
2016-09-16 Wang Feng-ming (CEO) Sale 9,573 67.98 650,772
2016-09-16 Wang Feng-ming (CEO) Option Ex 11,542 .00 0
2016-09-16 Day Christopher (VP, Marketing) Sale 1,405 67.98 95,511
2016-09-16 Day Christopher (VP, Marketing) Option Ex 2,613 .00 0
2016-09-16 Laplante George (CFO) Sale 4,844 67.98 329,295
2016-09-16 Laplante George (CFO) Option Ex 6,164 .00 0
2016-09-16 Kohn Leslie (CTO) Sale 5,489 67.98 373,142
2016-09-16 Kohn Leslie (CTO) Option Ex 7,239 .00 0
2016-09-16 Richardson David Jeffrey (Director) Option Ex 1,569 .00 0
2016-09-16 Hu Chenming (Director) Option Ex 1,153 .00 0
2016-09-16 Verhalen Andrew W (Director) Option Ex 1,153 .00 0
2016-09-16 Paisley Christopher B (Director) Option Ex 1,153 .00 0
2016-09-16 Tan Lip Bu (Director) Option Ex 1,153 .00 0
2016-09-07 Laplante George (CFO) Sale 30,000 67.08 2,012,459
2016-09-07 Laplante George (CFO) Option Ex 30,000 8.82 264,600
2016-09-07 Paisley Christopher B (Director) Sale 1,000 69.13 69,130
2016-09-07 Paisley Christopher B (Director) Option Ex 1,000 6.00 6,000
2016-06-30 Day Christopher (VP, Marketing) Sale 1,173 50.85 59,647
2016-06-16 Chen Yun-lung (Vice President, Sales) Option Ex 8,384 .00 0
2016-06-16 Wang Feng-ming (CEO) Sale 19,146 51.97 995,016
2016-06-16 Wang Feng-ming (CEO) Option Ex 23,084 .00 0
2016-06-16 Day Christopher (VP, Marketing) Sale 2,810 51.97 146,034
2016-06-16 Day Christopher (VP, Marketing) Option Ex 5,224 .00 0
2016-06-16 Laplante George (CFO) Sale 7,738 51.97 402,142
2016-06-16 Laplante George (CFO) Option Ex 12,326 .00 0
2016-06-16 Kohn Leslie (CTO) Sale 9,350 51.97 485,918
2016-06-16 Kohn Leslie (CTO) Option Ex 14,478 .00 0
2016-06-16 Richardson David Jeffrey (Director) Option Ex 3,140 .00 0
2016-06-16 Hu Chenming (Director) Option Ex 2,306 .00 0
2016-06-16 Verhalen Andrew W (Director) Option Ex 2,306 .00 0
2016-06-16 Paisley Christopher B (Director) Option Ex 1,153 .00 0
2016-06-16 Tan Lip Bu (Director) Option Ex 2,306 .00 0
2016-06-15 Paisley Christopher B (Director) Sale 1,000 51.96 51,960
2016-06-15 Paisley Christopher B (Director) Option Ex 1,000 6.00 6,000
2016-03-29 Day Christopher (VP, Marketing) Sale 1,812 43.50 78,822
2016-03-16 Chen Yun-lung (Vice President, Sales) Option Ex 4,437 .00 0
2016-03-16 Wang Feng-ming (CEO) Sale 8,021 37.12 297,739
2016-03-16 Wang Feng-ming (CEO) Option Ex 16,042 .00 0
2016-03-16 Day Christopher (VP, Marketing) Sale 1,475 37.12 54,751
2016-03-16 Day Christopher (VP, Marketing) Option Ex 3,550 .00 0
2016-03-16 Laplante George (CFO) Sale 3,540 37.12 131,404
2016-03-16 Laplante George (CFO) Option Ex 8,414 .00 0
2016-03-16 Kohn Leslie (CTO) Sale 4,253 37.12 157,871
2016-03-16 Kohn Leslie (CTO) Option Ex 10,239 .00 0
2016-03-16 Richardson David Jeffrey (Director) Option Ex 1,570 .00 0
2016-03-16 Hu Chenming (Director) Option Ex 1,153 .00 0
2016-03-16 Verhalen Andrew W (Director) Option Ex 1,153 .00 0
2016-03-16 Paisley Christopher B (Director) Option Ex 1,153 .00 0
2016-03-16 Tan Lip Bu (Director) Option Ex 1,153 .00 0
2015-12-28 Tan Lip Bu (Director) Sale 2,472 58.21 143,902
2015-12-21 Day Christopher (VP, Marketing) Sale 894 58.50 52,299
2015-12-17 Day Christopher (VP, Marketing) Sale 776 58.50 45,396
2015-12-16 Chen Yun-lung (Vice President, Sales) Option Ex 4,435 .00 0
2015-12-16 Wang Feng-ming (CEO) Sale 9,475 56.97 539,790
2015-12-16 Wang Feng-ming (CEO) Option Ex 16,041 .00 0
2015-12-16 Day Christopher (VP, Marketing) Sale 2,041 56.97 116,275
2015-12-16 Day Christopher (VP, Marketing) Option Ex 3,548 .00 0
2015-12-16 Laplante George (CFO) Sale 4,903 56.97 279,323
2015-12-16 Laplante George (CFO) Option Ex 8,412 .00 0
2015-12-16 Kohn Leslie (CTO) Sale 5,890 56.97 335,553
2015-12-16 Kohn Leslie (CTO) Option Ex 10,239 .00 0
2015-12-16 Richardson David Jeffrey (Director) Option Ex 1,568 .00 0
2015-12-16 Hu Chenming (Director) Option Ex 1,152 .00 0
2015-12-16 Verhalen Andrew W (Director) Option Ex 1,152 .00 0
2015-12-16 Paisley Christopher B (Director) Option Ex 1,152 .00 0
2015-12-16 Tan Lip Bu (Director) Option Ex 1,152 .00 0
2015-12-15 Paisley Christopher B (Director) Sale 1,000 56.89 56,887
2015-12-15 Paisley Christopher B (Director) Option Ex 1,000 6.00 6,000
2015-12-10 Day Christopher (VP, Marketing) Sale 261 59.25 15,464
2015-12-08 Day Christopher (VP, Marketing) Sale 515 56.50 29,097
2015-10-08 Hu Chenming (Director) Option Ex 16,109 13.17 212,155
2015-09-30 Day Christopher (VP, Marketing) Sale 1,010 58.16 58,741
2015-09-17 Chen Yun-lung (Vice President, Sales) Sale 5,739 73.30 420,668
2015-09-16 Chen Yun-lung (Vice President, Sales) Option Ex 4,083 .00 0
2015-09-16 Wang Feng-ming (CEO) Sale 8,483 70.80 600,596
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Insider trading activities including stock purchases, stock sales, and option exercises of AMBA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Ambarella Inc (symbol AMBA, CIK number 1280263) see the Securities and Exchange Commission (SEC) website.