Insider Stock Trading History of Tan Lip Bu


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 Tan Lip Bu since year 2005. The trader's CIK number is 1008463. At the time of this reporting, Tan Lip Bu is the President & CEO of Cadence Design Systems Inc . (stock ticker symbol CDN). See this page for all insider trading activities at Cadence Design Systems Inc .

Note that in the past TAN LIP BU also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Tan Lip Bu since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-10-16 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-10-16 CDNS Cadence Design Systems Inc Sale 100,000 41.97 4,197,300
2017-08-15 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-08-15 CDNS Cadence Design Systems Inc Sale 100,000 37.18 3,717,700
2017-07-17 CDNS Cadence Design Systems Inc Sale 100,000 34.68 3,468,200
2017-07-17 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-06-15 CDNS Cadence Design Systems Inc Sale 100,000 34.04 3,403,799
2017-06-15 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-05-24 QTNA Quantenna Communications Inc Sale 41,373 20.08 830,935
2017-05-15 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-05-15 CDNS Cadence Design Systems Inc Sale 100,000 33.09 3,308,700
2017-04-17 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-04-17 CDNS Cadence Design Systems Inc Sale 100,000 31.26 3,125,800
2017-03-22 HPE Hewlett Packard Enterprise Co Option Ex 10,253 .00 0
2017-03-15 CDNS Cadence Design Systems Inc Option Ex 100,000 9.66 966,000
2017-03-15 CDNS Cadence Design Systems Inc Sale 100,000 31.47 3,147,100
2017-03-16 AMBA Ambarella Inc Option Ex 726 .00 0
2016-12-16 AMBA Ambarella Inc Option Ex 726 .00 0
2016-12-15 CDNS Cadence Design Systems Inc Option Ex 100,000 5.60 560,000
2016-12-15 CDNS Cadence Design Systems Inc Sale 100,000 25.69 2,569,000
2016-11-11 HPE Hewlett Packard Enterprise Co Option Ex 4,128 .00 0
2016-11-02 QTNA Quantenna Communications Inc Buy 10,000 16.00 160,000
2016-10-17 CDNS Cadence Design Systems Inc Option Ex 100,000 5.60 560,000
2016-10-17 CDNS Cadence Design Systems Inc Sale 100,000 26.00 2,599,500
2016-09-16 AMBA Ambarella Inc Option Ex 1,153 .00 0
2016-08-15 CDNS Cadence Design Systems Inc Sale 150,000 24.81 3,721,500
2016-08-15 CDNS Cadence Design Systems Inc Option Ex 150,000 5.60 840,000
2016-07-15 CDNS Cadence Design Systems Inc Sale 25,000 25.59 639,800
2016-07-15 CDNS Cadence Design Systems Inc Option Ex 25,000 20.53 513,250
2016-06-16 AMBA Ambarella Inc Option Ex 1,153 .00 0
2016-06-16 AMBA Ambarella Inc Option Ex 1,153 .00 0
2016-06-15 CDNS Cadence Design Systems Inc Sale 150,000 24.39 3,658,500
2016-06-15 CDNS Cadence Design Systems Inc Option Ex 150,000 5.60 840,000
2016-04-15 CDNS Cadence Design Systems Inc Option Ex 150,000 5.60 840,000
2016-04-15 CDNS Cadence Design Systems Inc Sale 150,000 23.40 3,510,300
2016-03-16 AMBA Ambarella Inc Option Ex 1,153 .00 0
2016-03-15 CDNS Cadence Design Systems Inc Sale 175,000 22.58 3,951,150
2016-03-15 CDNS Cadence Design Systems Inc Option Ex 175,000 11.84 2,072,000
2015-12-28 AMBA Ambarella Inc Sale 2,472 58.21 143,902
2015-12-16 AMBA Ambarella Inc Option Ex 1,152 .00 0
2015-10-20 CDNS Cadence Design Systems Inc Option Ex 155,000 4.20 651,000
2015-10-20 CDNS Cadence Design Systems Inc Sale 155,000 21.19 3,284,605
2015-09-21 CDNS Cadence Design Systems Inc Option Ex 155,000 4.20 651,000
2015-09-21 CDNS Cadence Design Systems Inc Sale 155,000 21.06 3,263,835
2015-09-16 AMBA Ambarella Inc Option Ex 695 .00 0
2015-08-20 CDNS Cadence Design Systems Inc Option Ex 155,000 4.20 651,000
2015-08-20 CDNS Cadence Design Systems Inc Sale 155,000 20.78 3,221,210
2015-06-16 AMBA Ambarella Inc Option Ex 694 .00 0
2015-06-16 AMBA Ambarella Inc Sale 200 118.15 23,629
2014-05-27 CDNS Cadence Design Systems Inc Sale 125,000 20.00 2,500,000
2015-05-27 CDNS Cadence Design Systems Inc Option Ex 125,000 4.12 515,000
2015-05-20 CDNS Cadence Design Systems Inc Option Ex 129,826 4.12 534,883
2015-05-20 CDNS Cadence Design Systems Inc Sale 129,826 19.60 2,544,070
2015-04-20 CDNS Cadence Design Systems Inc Sale 125,000 18.58 2,322,125
2015-04-20 CDNS Cadence Design Systems Inc Option Ex 125,000 4.12 515,000
2015-03-31 AMBA Ambarella Inc Sale 1,000 75.77 75,769
2015-03-25 AMBA Ambarella Inc Sale 15,277 69.44 1,060,911
2015-03-25 AMBA Ambarella Inc Option Ex 15,277 21.36 326,362
2015-03-17 AMBA Ambarella Inc Option Ex 695 .00 0
2015-02-25 CDNS Cadence Design Systems Inc Sale 79,174 18.67 1,477,941
2015-02-25 CDNS Cadence Design Systems Inc Option Ex 79,174 3.37 266,420
2015-02-24 CDNS Cadence Design Systems Inc Sale 120,411 18.62 2,242,534
2015-02-23 CDNS Cadence Design Systems Inc Sale 695,589 18.43 12,820,400
2015-02-24 CDNS Cadence Design Systems Inc Option Ex 120,411 3.37 405,183
2015-02-23 CDNS Cadence Design Systems Inc Option Ex 695,589 6.38 4,437,857
2014-12-16 AMBA Ambarella Inc Option Ex 694 .00 0
2014-09-17 AMBA Ambarella Inc Sale 1,500 38.00 57,000
2014-09-18 AMBA Ambarella Inc Sale 13,457 39.70 534,242
2014-06-16 AMBA Ambarella Inc Option Ex 695 .00 0
2014-03-17 AMBA Ambarella Inc Option Ex 694 .00 0
2014-03-05 CDNS Cadence Design Systems Inc Option Ex 25,000 14.87 371,725
2014-02-05 CDNS Cadence Design Systems Inc Buy 11,000 13.77 151,470
2014-02-04 CDNS Cadence Design Systems Inc Buy 10,000 13.89 138,900
2013-12-17 AMBA Ambarella Inc Sale 1,408 24.89 35,039
2013-12-16 AMBA Ambarella Inc Option Ex 695 .00 0
2013-10-29 CDNS Cadence Design Systems Inc Buy 10,000 12.81 128,100
2013-10-28 CDNS Cadence Design Systems Inc Buy 10,000 12.84 128,400
2013-09-16 AMBA Ambarella Inc Option Ex 694 .00 0
2013-09-10 AMBA Ambarella Inc Sale 5,685 17.86 101,534
2013-06-28 AMBA Ambarella Inc Sale 3,254 16.61 54,035
2012-09-13 SYNC Synacor, Inc. Sale 103,900 7.49 778,626
2012-09-14 SYNC Synacor, Inc. Sale 96,100 7.61 731,128
2011-08-19 CDNS Cadence Design Systems Inc Buy 10,000 8.42 84,200
2011-08-09 FLEX Flextronics International Ltd Buy 10,000 5.28 52,800
2011-08-04 CDNS Cadence Design Systems Inc Buy 10,000 9.40 94,000
2011-08-02 CDNS Cadence Design Systems Inc Buy 20,000 9.97 199,500
2011-05-24 CDNS Cadence Design Systems Inc Buy 10,000 10.30 103,000
2011-05-11 CDNS Cadence Design Systems Inc Buy 10,000 10.63 106,280
2011-04-06 IPHI Inphi Corp Sale 391,000 20.90 8,171,899
2011-03-08 CDNS Cadence Design Systems Inc Buy 10,000 9.74 97,410
2011-03-07 CDNS Cadence Design Systems Inc Buy 10,000 9.47 94,690
2011-02-08 CDNS Cadence Design Systems Inc Buy 25,000 9.78 244,575
2010-08-13 CDNS Cadence Design Systems Inc Buy 25,000 6.47 161,750
2008-12-15 CDNS Cadence Design Systems Inc Buy 20,000 2.74 54,800
2008-12-16 CDNS Cadence Design Systems Inc Buy 20,000 2.68 53,580
2008-02-08 CDNS Cadence Design Systems Inc Buy 5,000 10.69 53,450
2005-11-14 SINA Sina Corp Sale 1,800 24.85 44,726
2005-12-06 SINA Sina Corp Sale 647 25.90 16,757
2005-08-16 CTLM Centillium Communications Inc Buy 2,000 2.70 5,400
2005-08-11 CTLM Centillium Communications Inc Buy 2,000 2.85 5,700
2005-08-03 CTLM Centillium Communications Inc Buy 2,000 2.69 5,380
2005-08-01 CTLM Centillium Communications Inc Buy 3,000 2.70 8,100

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 Tan Lip Bu (President & CEO of Cadence Design Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.