Insider Transactions

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Transaction DateFilerFilingTransaction TypeShares TradedPriceTotal Held*
12/02/16Tobias C. Ray EVP, Chief Operating Officer
Trans History: 5 
Form 4Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-31,3007.69594,194
12/02/16Jumper Stephen C. Director, President/CEO
Trans History: 5 
Form 4Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-32,5447.695185,279
12/02/16Thomas James W. EVP, Chief Technical Officer
Trans History: 9 
Form 4Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-31,1397.69535,372
11/14/16Thomas James W. EVP, Chief Technical Officer
Trans History: 9 
Form 4Open market or private sale of non-derivative or derivative security6,6967.6536,511
11/14/16Thomas James W. EVP, Chief Technical Officer
Trans History: 9 
Form 4Open market or private sale of non-derivative or derivative security3,3047.6543,207
09/30/16Vander Ploeg Mark A. Director
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)1,612026,600
09/30/16North Ted R. Director
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)1,768034,183
09/30/16McInnes Allen T. Director
Trans History: 106 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)1,6120350,597
09/30/16Hoover Gary M. Director
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)1,768041,223
09/30/16Cooper Craig  Director
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)1,664044,960
* Represents the number of non-derivative securities directly held
(I) Indicates that some (or all) of these shares are held indirectly