Insider Stock Trading History of Chung Dong Chune Christopher


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 Chung Dong Chune Christopher since year 2005. The trader's CIK number is 1221306. At the time of this reporting, Chung Dong Chune Christopher is the Vice President Medical Affairs of Natus Medical Inc . (stock ticker symbol BABY). See this page for all insider trading activities at Natus Medical Inc .


Stock purchases, sales, and option exercises reported by insider Chung Dong Chune Christopher since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-06 BABY Natus Medical Inc Sale 12,642 42.91 542,468
2017-11-06 BABY Natus Medical Inc Option Ex 12,642 10.69 135,142
2015-12-09 BABY Natus Medical Inc Sale 14,000 48.78 682,920
2015-12-09 BABY Natus Medical Inc Option Ex 14,000 10.69 149,660
2015-10-28 BABY Natus Medical Inc Option Ex 24,600 16.38 402,948
2015-10-27 BABY Natus Medical Inc Option Ex 1,400 16.38 22,932
2015-10-28 BABY Natus Medical Inc Sale 24,600 45.71 1,124,466
2015-10-27 BABY Natus Medical Inc Sale 1,400 46.02 64,428
2015-06-03 BABY Natus Medical Inc Option Ex 26,000 16.78 436,280
2015-06-03 BABY Natus Medical Inc Sale 26,000 41.01 1,066,260
2015-02-03 BABY Natus Medical Inc Option Ex 40,000 10.73 429,200
2015-02-03 BABY Natus Medical Inc Sale 40,000 36.64 1,465,600
2014-10-27 BABY Natus Medical Inc Option Ex 39,521 10.03 396,395
2014-10-28 BABY Natus Medical Inc Option Ex 10,479 10.03 105,104
2014-10-27 BABY Natus Medical Inc Sale 39,521 33.09 1,307,749
2014-10-28 BABY Natus Medical Inc Sale 10,479 33.33 349,265
2014-02-13 BABY Natus Medical Inc Sale 20,000 24.88 497,600
2014-02-13 BABY Natus Medical Inc Option Ex 20,000 20.09 401,800
2013-11-26 BABY Natus Medical Inc Option Ex 27,159 4.51 122,487
2013-11-26 BABY Natus Medical Inc Sale 27,159 21.81 592,337
2013-11-12 BABY Natus Medical Inc Option Ex 22,841 4.51 103,012
2013-11-12 BABY Natus Medical Inc Sale 22,841 21.17 483,543
2013-08-19 BABY Natus Medical Inc Sale 5,818 12.78 74,354
2013-02-12 BABY Natus Medical Inc Option Ex 50,000 3.50 175,000
2012-11-27 BABY Natus Medical Inc Sale 25,000 11.37 284,250
2012-11-09 BABY Natus Medical Inc Option Ex 25,000 3.45 86,250
2012-09-13 BABY Natus Medical Inc Sale 10,000 12.63 126,300
2012-08-15 BABY Natus Medical Inc Sale 5,807 11.55 67,070
2011-08-16 BABY Natus Medical Inc Sale 899 10.25 9,214
2011-08-17 BABY Natus Medical Inc Sale 3,602 10.21 36,776
2011-08-02 BABY Natus Medical Inc Sale 943 11.24 10,599
2011-06-09 BABY Natus Medical Inc Option Ex 10,000 4.70 47,000
2010-08-17 BABY Natus Medical Inc Sale 1,814 12.91 23,418
2010-08-03 BABY Natus Medical Inc Sale 1,395 14.33 19,990
2010-06-15 BABY Natus Medical Inc Option Ex 50,000 6.25 312,500
2010-06-15 BABY Natus Medical Inc Sale 50,000 17.25 862,500
2009-11-16 BABY Natus Medical Inc Sale 4,081 14.81 60,451
2009-08-05 BABY Natus Medical Inc Sale 2,169 14.20 30,804
2008-09-08 BABY Natus Medical Inc Sale 1,634 25.00 40,850
2008-08-04 BABY Natus Medical Inc Sale 866 24.15 20,913
2007-12-06 BABY Natus Medical Inc Sale 10,577 17.90 189,296

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 Chung Dong Chune Christopher (Vice President Medical Affairs of Natus Medical Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.