Insider Stock Trading History of Riordan Thomas


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 Riordan Thomas since year 2005. The trader's CIK number is 1334630. At the time of this reporting, Riordan Thomas is the of Versum Materials, Inc. . (stock ticker symbol VSM). See this page for all insider trading activities at Versum Materials, Inc. .

Note that in the past Riordan Thomas also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Riordan Thomas since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-16 VSM Versum Materials, Inc. Buy 2,550 38.90 99,195
2017-05-22 VSM Versum Materials, Inc. Buy 325 31.95 10,383
2014-12-04 ROC Rockwood Holdings, Inc. Sale 46,985 79.08 3,715,808
2014-06-30 ROC Rockwood Holdings, Inc. Sale 11,206 75.89 850,423
2014-05-28 ROC Rockwood Holdings, Inc. Sale 10,419 76.69 799,064
2014-04-28 ROC Rockwood Holdings, Inc. Sale 10,000 71.22 712,200
2014-03-28 ROC Rockwood Holdings, Inc. Sale 11,599 74.14 859,891
2014-02-28 ROC Rockwood Holdings, Inc. Sale 10,853 79.47 862,487
2013-08-08 ROC Rockwood Holdings, Inc. Option Ex 51,624 29.30 1,512,738
2013-08-08 ROC Rockwood Holdings, Inc. Sale 51,624 65.50 3,381,630
2013-02-19 ROC Rockwood Holdings, Inc. Option Ex 14,853 29.30 435,237
2012-12-06 ROC Rockwood Holdings, Inc. Option Ex 6,624 14.61 96,776
2012-12-06 ROC Rockwood Holdings, Inc. Sale 6,624 46.72 309,499
2012-12-03 ROC Rockwood Holdings, Inc. Option Ex 9,700 14.61 141,717
2012-12-03 ROC Rockwood Holdings, Inc. Sale 9,700 46.31 449,168
2012-12-05 ROC Rockwood Holdings, Inc. Option Ex 17,901 14.61 261,533
2012-12-05 ROC Rockwood Holdings, Inc. Sale 17,901 46.29 828,565
2012-03-13 ROC Rockwood Holdings, Inc. Option Ex 29,536 9.18 271,140
2012-03-13 ROC Rockwood Holdings, Inc. Sale 29,536 50.76 1,499,188
2012-02-02 ROC Rockwood Holdings, Inc. Option Ex 18,155 9.18 166,662
2011-05-18 ROC Rockwood Holdings, Inc. Option Ex 1,796 14.61 26,239
2011-05-16 ROC Rockwood Holdings, Inc. Sale 59,809 50.58 3,024,899
2011-05-16 ROC Rockwood Holdings, Inc. Option Ex 59,809 14.61 873,809
2011-05-18 ROC Rockwood Holdings, Inc. Sale 1,796 50.02 89,834
2010-09-09 ROC Rockwood Holdings, Inc. Option Ex 13,690 14.61 200,010
2010-07-29 ROC Rockwood Holdings, Inc. Option Ex 100,058 14.61 1,461,847
2010-07-29 ROC Rockwood Holdings, Inc. Sale 100,058 28.57 2,858,657
2010-05-10 ROC Rockwood Holdings, Inc. Option Ex 30,000 14.61 438,300
2010-05-10 ROC Rockwood Holdings, Inc. Sale 30,000 27.00 810,000
2009-03-09 ROC Rockwood Holdings, Inc. Buy 1,500 3.52 5,277
2008-06-17 ROC Rockwood Holdings, Inc. Sale 30,000 38.60 1,158,000

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 Riordan Thomas ( of Versum Materials, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.