Insider Stock Trading History of Wierenga Wendall


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 Wierenga Wendall since year 2005. The trader's CIK number is 1235945. At the time of this reporting, Wierenga Wendall is the Director of Xenoport Inc . (stock ticker symbol XNPT). See this page for all insider trading activities at Xenoport Inc .

Note that in the past WIERENGA WENDALL also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Wierenga Wendall since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2016-05-17 XNPT Xenoport Inc Option Ex 5,000 .00 0
2015-06-23 OCRX Tranzyme Inc Buy 5,000 3.71 18,550
2015-05-19 XNPT Xenoport Inc Option Ex 5,000 .00 0
2015-05-11 XNPT Xenoport Inc Buy 5,000 5.63 28,170
2014-10-22 APRI Nexmed Inc Buy 20,000 1.52 30,360
2014-05-27 XNPT Xenoport Inc Buy 10,000 3.99 39,900
2014-05-14 XNPT Xenoport Inc Option Ex 5,000 .00 0
2013-05-16 XNPT Xenoport Inc Option Ex 5,000 .00 0
2013-02-01 ONXX Onyx Pharmaceuticals Inc Sale 250 77.71 19,427
2012-11-01 ONXX Onyx Pharmaceuticals Inc Sale 250 77.21 19,302
2012-08-24 ONXX Onyx Pharmaceuticals Inc Option Ex 5,000 27.14 135,700
2012-08-24 ONXX Onyx Pharmaceuticals Inc Sale 5,000 74.09 370,450
2012-08-01 ONXX Onyx Pharmaceuticals Inc Sale 250 74.76 18,690
2012-05-01 ONXX Onyx Pharmaceuticals Inc Sale 250 45.47 11,367
2012-02-01 ONXX Onyx Pharmaceuticals Inc Sale 250 41.38 10,345
2011-11-01 ONXX Onyx Pharmaceuticals Inc Sale 250 39.37 9,842
2011-05-02 ONXX Onyx Pharmaceuticals Inc Sale 250 37.67 9,417
2008-08-27 ONXX Onyx Pharmaceuticals Inc Option Ex 5,000 11.86 59,300
2008-08-27 ONXX Onyx Pharmaceuticals Inc Sale 5,000 41.01 205,030
2008-08-19 XNPT Xenoport Inc Sale 4,000 48.55 194,196
2007-12-05 XNPT Xenoport Inc Sale 3,000 54.85 164,544
2007-08-30 ONXX Onyx Pharmaceuticals Inc Sale 11,500 38.87 447,051
2007-08-30 ONXX Onyx Pharmaceuticals Inc Option Ex 11,500 13.26 152,501
2007-05-16 XNPT Xenoport Inc Sale 5,000 41.15 205,750
2007-02-22 ONXX Onyx Pharmaceuticals Inc Sale 7,000 28.02 196,154
2007-02-22 ONXX Onyx Pharmaceuticals Inc Option Ex 7,000 6.40 44,765
2006-12-15 XNPT Xenoport Inc Sale 4,000 25.02 100,080
2006-11-06 XNPT Xenoport Inc Sale 5,000 23.91 119,540

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 Wierenga Wendall (Director of Xenoport Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.