Insider Transactions

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Transaction DateFilerFilingTransaction TypeShares TradedPriceTotal Held*
09/30/17Vander Ploeg Mark A. Director
Trans History: 11 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,600027,287
09/30/17North Ted R. Director
Trans History: 10 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,852044,106
09/30/17Cooper Craig  Director
Trans History: 10 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,684054,300
09/30/17McInnes Allen T. Director
Trans History: 110 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,6000359,644
09/30/17Hoover Gary M. Director
Trans History: 10 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,852051,146
09/30/17Barrett William J. Director
Trans History: 209 
Form 4Other acquisition or disposition0(I)064,249
09/30/17Barrett William J. Director
Trans History: 209 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,7680678,724
08/10/17Thomas James W. EVP, Chief Technical Officer
Trans History: 10 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)15,0003.96550,372
08/10/17Tobias C. Ray EVP, Chief Operating Officer
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)15,0003.965109,194
08/10/17Whitener Wayne A. Director
Trans History: 180 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)5,0003.96544,750
* Represents the number of non-derivative securities directly held
(I) Indicates that some (or all) of these shares are held indirectly