The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Chung Dong Chune Christopher since 2007.
This trader's CIK number is 1221306.
At the time of last reporting, Chung Dong Chune Christopher was the Chief Medical Officer of Natus Medical Inc. (stock ticker symbol NTUS).
Also see all insider trading activities at Natus Medical Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2021 | NTUS | 0 | $0 | 119,539 | $3,244,281 | 11,787 | $243,755 |
| 2019 | NTUS | 0 | $0 | 17,500 | $562,140 | 30,000 | $544,440 |
| 2018 | NTUS | 0 | $0 | 15,358 | $511,728 | 15,358 | $164,177 |
| 2017 | NTUS | 0 | $0 | 12,642 | $542,468 | 12,642 | $135,142 |
| 2015 | NTUS | 0 | $0 | 106,000 | $4,403,674 | 106,000 | $1,441,020 |
| 2014 | NTUS | 0 | $0 | 70,000 | $2,154,614 | 70,000 | $903,299 |
| 2013 | NTUS | 0 | $0 | 55,818 | $1,150,234 | 100,000 | $400,499 |
| 2012 | NTUS | 0 | $0 | 40,807 | $477,620 | 25,000 | $86,250 |
| 2011 | NTUS | 0 | $0 | 5,444 | $56,589 | 10,000 | $47,000 |
| 2010 | NTUS | 0 | $0 | 53,209 | $905,908 | 50,000 | $312,500 |
| 2009 | NTUS | 0 | $0 | 6,250 | $91,255 | 0 | $0 |
| 2008 | NTUS | 0 | $0 | 2,500 | $61,763 | 0 | $0 |
| 2007 | NTUS | 0 | $0 | 10,577 | $189,296 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2021-12-09 | NTUS | Sale | 11,787 | 23.08 | 272,043 |
| 2021-12-09 | NTUS | Option Ex | 11,787 | 20.68 | 243,755 |
| 2021-05-24 | NTUS | Sale | 20,000 | 27.11 | 542,200 |
| 2021-05-25 | NTUS | Sale | 9,435 | 27.41 | 258,613 |
| 2021-05-20 | NTUS | Sale | 9,290 | 27.00 | 250,830 |
| 2021-05-19 | NTUS | Sale | 6,367 | 26.54 | 168,980 |
| 2021-05-18 | NTUS | Sale | 2,904 | 26.90 | 78,117 |
| 2021-05-12 | NTUS | Sale | 10,108 | 27.47 | 277,666 |
| 2021-05-13 | NTUS | Sale | 27,721 | 27.96 | 775,079 |
| 2021-05-14 | NTUS | Sale | 21,927 | 28.31 | 620,753 |
| 2019-10-30 | NTUS | Sale | 14,000 | 33.57 | 469,980 |
| 2019-10-30 | NTUS | Option Ex | 14,000 | 22.50 | 315,000 |
| 2019-05-17 | BABY | Option Ex | 16,000 | 14.34 | 229,440 |
| 2019-05-21 | BABY | Sale | 500 | 26.64 | 13,320 |
| 2019-05-17 | BABY | Sale | 3,000 | 26.28 | 78,840 |
| 2018-05-07 | BABY | Option Ex | 15,358 | 10.69 | 164,177 |
| 2018-05-07 | BABY | Sale | 15,358 | 33.32 | 511,728 |
| 2017-11-06 | BABY | Sale | 12,642 | 42.91 | 542,468 |
| 2017-11-06 | BABY | Option Ex | 12,642 | 10.69 | 135,142 |
| 2015-12-09 | BABY | Sale | 14,000 | 48.78 | 682,920 |
| 2015-12-09 | BABY | Option Ex | 14,000 | 10.69 | 149,660 |
| 2015-10-28 | BABY | Option Ex | 24,600 | 16.38 | 402,948 |
| 2015-10-27 | BABY | Option Ex | 1,400 | 16.38 | 22,932 |
| 2015-10-27 | BABY | Sale | 1,400 | 46.02 | 64,428 |
| 2015-10-28 | BABY | Sale | 24,600 | 45.71 | 1,124,466 |
| 2015-06-03 | BABY | Option Ex | 26,000 | 16.78 | 436,280 |
| 2015-06-03 | BABY | Sale | 26,000 | 41.01 | 1,066,260 |
| 2015-02-03 | BABY | Sale | 40,000 | 36.64 | 1,465,600 |
| 2015-02-03 | BABY | Option Ex | 40,000 | 10.73 | 429,200 |
| 2014-10-27 | BABY | Option Ex | 39,521 | 10.03 | 396,395 |
| 2014-10-28 | BABY | Option Ex | 10,479 | 10.03 | 105,104 |
| 2014-10-27 | BABY | Sale | 39,521 | 33.09 | 1,307,749 |
| 2014-10-28 | BABY | Sale | 10,479 | 33.33 | 349,265 |
| 2014-02-13 | BABY | Sale | 20,000 | 24.88 | 497,600 |
| 2014-02-13 | BABY | Option Ex | 20,000 | 20.09 | 401,800 |
| 2013-11-26 | BABY | Option Ex | 27,159 | 4.51 | 122,487 |
| 2013-11-26 | BABY | Sale | 27,159 | 21.81 | 592,337 |
| 2013-11-12 | BABY | Option Ex | 22,841 | 4.51 | 103,012 |
| 2013-11-12 | BABY | Sale | 22,841 | 21.17 | 483,543 |
| 2013-08-19 | BABY | Sale | 5,818 | 12.78 | 74,354 |
| 2013-02-12 | BABY | Option Ex | 50,000 | 3.50 | 175,000 |
| 2012-11-27 | BABY | Sale | 25,000 | 11.37 | 284,250 |
| 2012-11-09 | BABY | Option Ex | 25,000 | 3.45 | 86,250 |
| 2012-09-13 | BABY | Sale | 10,000 | 12.63 | 126,300 |
| 2012-08-15 | BABY | Sale | 5,807 | 11.55 | 67,070 |
| 2011-08-16 | BABY | Sale | 899 | 10.25 | 9,214 |
| 2011-08-17 | BABY | Sale | 3,602 | 10.21 | 36,776 |
| 2011-08-02 | BABY | Sale | 943 | 11.24 | 10,599 |
| 2011-06-09 | BABY | Option Ex | 10,000 | 4.70 | 47,000 |
| 2010-08-17 | BABY | Sale | 1,814 | 12.91 | 23,418 |
| 2010-08-03 | BABY | Sale | 1,395 | 14.33 | 19,990 |
| 2010-06-15 | BABY | Sale | 50,000 | 17.25 | 862,500 |
| 2010-06-15 | BABY | Option Ex | 50,000 | 6.25 | 312,500 |
| 2009-11-16 | BABY | Sale | 4,081 | 14.81 | 60,451 |
| 2009-08-05 | BABY | Sale | 2,169 | 14.20 | 30,804 |
| 2008-09-08 | BABY | Sale | 1,634 | 25.00 | 40,850 |
| 2008-08-04 | BABY | Sale | 866 | 24.15 | 20,913 |
| 2007-12-06 | BABY | 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 (Chief Medical Officer of Natus Medical Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.