Insider NameBuy/SellCompany NameTickerAmountShares Change
Dec 16, 2022Dec 19, 2022Duren Diane K
Dir
SellU.S. Silica Holdings, Inc.SLCA$11.43$183,897-16.52%
Apr 24, 2018Apr 26, 2018Duren Diane K
Dir
BuyWerner Enterprises IncWERN$36.19$253,330+43.93%
Feb 26, 2018Feb 26, 2018Duren Diane K
Dir
BuyU.S. Silica Holdings, Inc.SLCA$25.96$259,600+45.11%
Nov 18, 2016Nov 21, 2016Duren Diane K
EVP CHIEF ADMIN OFFICER
CORP
SellUnion Pacific CorpUNP$98.98$281,103-1.98%
Jun 03, 2016Jun 06, 2016Duren Diane K
EVP
Corporate Secretary
SellUnion Pacific CorpUNP$85.46$213,650-1.72%
May 22, 2015May 22, 2015Duren Diane K
EVP
Corporate Secretary
SellUnion Pacific CorpUNP$104.39$2M-10.40%
Aug 29, 2014Sep 02, 2014Duren Diane K
EVP
Corporate Secretary
SellUnion Pacific CorpUNP$105.04$3M-18.20%
Mar 11, 2014Mar 13, 2014Duren Diane K
EVP
Corporate Secretary
SellUnion Pacific CorpUNP$186.5$569,758-4.16%
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