Insider Stock Trading History of Shelnitz Mark A


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 Shelnitz Mark A since year 2005. The trader's CIK number is 1325901. At the time of this reporting, Shelnitz Mark A is the VP, GC and Secretary of W R Grace & Co . (stock ticker symbol GRA). See this page for all insider trading activities at W R Grace & Co .


Stock purchases, sales, and option exercises reported by insider Shelnitz Mark A since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2018-02-23 GRA W R Grace & Co Option Ex 1,555 .00 0
2017-06-14 GRA W R Grace & Co Option Ex 26,853 39.02 1,047,804
2017-06-14 GRA W R Grace & Co Sale 26,853 71.53 1,920,929
2017-02-24 GRA W R Grace & Co Option Ex 913 .00 0
2016-05-04 GRA W R Grace & Co Sale 17,405 76.52 1,331,795
2016-05-03 GRA W R Grace & Co Sale 17,405 77.20 1,343,683
2016-05-04 GRA W R Grace & Co Option Ex 17,405 34.03 592,292
2016-05-03 GRA W R Grace & Co Option Ex 17,405 34.03 592,292
2015-04-27 GRA W R Grace & Co Option Ex 21,000 27.75 582,645
2015-04-28 GRA W R Grace & Co Option Ex 21,000 27.75 582,645
2015-04-27 GRA W R Grace & Co Sale 21,000 97.10 2,039,184
2015-04-28 GRA W R Grace & Co Sale 21,000 96.98 2,036,622
2014-02-19 GRA W R Grace & Co Option Ex 40,590 9.79 397,173
2014-02-19 GRA W R Grace & Co Sale 40,590 98.61 4,002,782
2013-03-11 GRA W R Grace & Co Option Ex 31,710 19.71 625,004
2013-03-11 GRA W R Grace & Co Sale 31,710 76.55 2,427,432
2012-09-14 GRA W R Grace & Co Option Ex 31,710 19.71 625,004
2012-09-14 GRA W R Grace & Co Sale 31,710 60.77 1,927,111
2011-02-14 GRA W R Grace & Co Option Ex 8,200 2.40 19,680
2011-02-14 GRA W R Grace & Co Sale 8,200 38.47 315,429
2010-02-08 GRA W R Grace & Co Sale 25,000 26.13 653,350
2010-02-08 GRA W R Grace & Co Option Ex 25,000 13.68 342,000
2008-12-02 GRA W R Grace & Co Buy 50,000 3.83 191,500
2008-03-18 GRA W R Grace & Co Option Ex 13,000 19.47 253,084
2008-03-18 GRA W R Grace & Co Sale 13,000 20.13 261,664
2007-02-20 GRA W R Grace & Co Option Ex 6,743 12.04 81,185
2007-02-20 GRA W R Grace & Co Sale 6,743 24.40 164,522

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 Shelnitz Mark A (VP, GC and Secretary of W R Grace & Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.