自社株取引日	役員・従業員名	役員・従業員の役職	株式の種類	売却／購入	株数	株価
2017-12-29	ELVIG, MARK F	VP, Counsel & Secretary	普通株式	売却	821	$109.55
2017-12-29	DEMSHUR, DAVID M	Director, Chief Executive Officer	普通株式	購入	44,085	$0.00
2017-12-29	ELVIG, MARK F	VP, Counsel & Secretary	普通株式	購入	3,000	$0.00
2017-12-29	DAVIS, MONTY L	Chief Operating Officer	普通株式	購入	17,685	$0.00
2017-12-29	DAVIS, MONTY L	Chief Operating Officer	普通株式	売却	17,685	$0.00
2017-12-29	DAVIS, MONTY L	Chief Operating Officer	普通株式	売却	6,107	$109.55
2017-12-29	DEMSHUR, DAVID M	Director, Chief Executive Officer	普通株式	売却	17,202	$109.55
2017-12-29	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	購入	3,000	$0.00
2017-12-29	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	売却	821	$109.55
2017-12-29	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	売却	3,000	$0.00
2017-12-29	BERGMARK, RICHARD L	Director, EVP & CFO	普通株式	売却	6,097	$109.55
2017-12-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	購入	125	$0.00
2017-12-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	譲渡制限付株式ユニット	購入	125	$0.00
2017-12-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	売却	35	$105.04
2017-09-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	購入	125	$0.00
2017-09-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	譲渡制限付株式ユニット	売却	125	$0.00
2017-09-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	普通株式	売却	35	$89.59
2017-04-01	HILL, CHRISTOPHER SCOTT	Chief Accounting Officer	譲渡制限付株式ユニット	売却	53	$0.00