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
2011-06-21	ROELOFS, NICOLAS H PHD	Senior Vice President	普通株式	購入	26,253	$26.99
2011-06-21	ROELOFS, NICOLAS H PHD	Senior Vice President	普通株式	売却	26,253	$50.00
2011-06-21	ROELOFS, NICOLAS H PHD	Senior Vice President	ストックオプション	売却	26,253	$0.00
2011-05-27	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	売却	249,600	$49.36
2011-05-27	SULLIVAN, WILLIAM P	Director, President and CEO	ストックオプション	売却	249,600	$0.00
2011-05-27	SULLIVAN, WILLIAM P	Director, President and CEO	ストックオプション	売却	89,073	$0.00
2011-05-27	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	購入	89,073	$29.46
2011-05-27	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	売却	89,073	$49.29
2011-05-27	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	購入	249,600	$33.14
2011-05-25	NERSESIAN, RONALD S.	Senior Vice President	ストックオプション	売却	28,206	$0.00
2011-05-25	NERSESIAN, RONALD S.	Senior Vice President	普通株式	売却	28,206	$48.86
2011-05-25	NERSESIAN, RONALD S.	Senior Vice President	普通株式	購入	28,206	$29.46
2011-05-23	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	売却	224,311	$49.06
2011-05-23	ROELOFS, NICOLAS H PHD	Senior Vice President	普通株式	購入	2,400	$19.00
2011-05-23	ROELOFS, NICOLAS H PHD	Senior Vice President	普通株式	売却	2,400	$49.74
2011-05-23	ROELOFS, NICOLAS H PHD	Senior Vice President	ストックオプション	売却	2,400	$0.00
2011-05-23	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	購入	22,578	$23.16
2011-05-23	SULLIVAN, WILLIAM P	Director, President and CEO	普通株式	売却	22,578	$49.00