Insider Stock Trading History of Winkler Michael L


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 Winkler Michael L since year 2005. The trader's CIK number is 1529850. At the time of this reporting, Winkler Michael L is the EVP & Chief Operating Officer of U.s. Silica Holdings, Inc. . (stock ticker symbol SLCA). See this page for all insider trading activities at U.s. Silica Holdings, Inc. .


Stock purchases, sales, and option exercises reported by insider Winkler Michael L since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2018-10-26 SLCA U.s. Silica Holdings, Inc. Buy 2,000 13.98 27,960
2018-06-01 SLCA U.s. Silica Holdings, Inc. Option Ex 3,348 .00 0
2018-04-01 SLCA U.s. Silica Holdings, Inc. Option Ex 3,088 .00 0
2018-03-31 SLCA U.s. Silica Holdings, Inc. Option Ex 13,109 .00 0
2018-02-12 SLCA U.s. Silica Holdings, Inc. Option Ex 2,871 .00 0
2017-06-01 SLCA U.s. Silica Holdings, Inc. Option Ex 3,348 38.25 128,061
2017-03-31 SLCA U.s. Silica Holdings, Inc. Option Ex 13,109 47.99 629,100
2017-02-11 SLCA U.s. Silica Holdings, Inc. Option Ex 1,433 57.69 82,669
2017-02-12 SLCA U.s. Silica Holdings, Inc. Option Ex 2,871 57.69 165,627
2016-08-19 SLCA U.s. Silica Holdings, Inc. Option Ex 64,123 13.62 873,034
2016-08-19 SLCA U.s. Silica Holdings, Inc. Sale 64,123 42.00 2,693,166
2016-08-18 SLCA U.s. Silica Holdings, Inc. Option Ex 112 10.33 1,156
2016-08-18 SLCA U.s. Silica Holdings, Inc. Sale 112 42.00 4,704
2016-06-01 SLCA U.s. Silica Holdings, Inc. Option Ex 3,348 29.02 97,158
2016-03-14 SLCA U.s. Silica Holdings, Inc. Option Ex 1,364 21.06 28,725
2015-03-14 SLCA U.s. Silica Holdings, Inc. Option Ex 1,365 .00 0
2015-02-11 SLCA U.s. Silica Holdings, Inc. Option Ex 1,434 .00 0
2014-12-24 SLCA U.s. Silica Holdings, Inc. Buy 1,100 26.65 29,315
2014-03-18 SLCA U.s. Silica Holdings, Inc. Option Ex 64,235 13.62 874,559
2014-03-18 SLCA U.s. Silica Holdings, Inc. Sale 64,235 37.00 2,376,695
2014-03-14 SLCA U.s. Silica Holdings, Inc. Option Ex 1,364 .00 0
2012-05-11 SLCA U.s. Silica Holdings, Inc. Buy 1,000 14.54 14,540

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 Winkler Michael L (EVP & Chief Operating Officer of U.s. Silica Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.