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
2011-02-15	MOHAPATRA, SURYA N	Director, Chairman, President & CEO	普通株式	購入	67,469	$0.00
2011-02-14	PREVOZNIK, MICHAEL E	SVP & General Counsel	普通株式	売却	1,503	$57.17
2011-02-11	HAGEMANN, ROBERT	SVP & Chief Financial Officer	普通株式	売却	2,305	$57.15
2011-02-11	PREVOZNIK, MICHAEL E	SVP & General Counsel	普通株式	売却	880	$57.15
2011-02-11	MOHAPATRA, SURYA N	Director, Chairman, President & CEO	普通株式	売却	5,545	$57.15
2011-02-11	SIMMONS, WAYNE R.	Vice President, Operations	普通株式	売却	880	$57.15
2011-02-11	MILLER, JOAN ELIZABETH	SVP-Pathology & Hosp. Services	普通株式	売却	1,075	$57.15
2011-02-11	PREVOZNIK, MICHAEL E	SVP & General Counsel	普通株式	売却	18,457	$57.19
2011-02-11	BONGIORNO, THOMAS F	VP and Corporate Controller	普通株式	売却	294	$57.15
2011-02-10	COHEN, JON R	SVP and Chief Medical Officer	普通株式	売却	1,201	$57.28
2011-02-10	SIMMONS, WAYNE R.	Vice President, Operations	普通株式	売却	918	$57.28
2011-02-10	BONGIORNO, THOMAS F	VP and Corporate Controller	普通株式	売却	293	$57.28
2011-02-10	HAGEMANN, ROBERT	SVP & Chief Financial Officer	普通株式	売却	2,305	$57.28
2011-02-10	PREVOZNIK, MICHAEL E	SVP & General Counsel	普通株式	売却	916	$57.28
2011-02-10	MOHAPATRA, SURYA N	Director, Chairman, President & CEO	普通株式	売却	5,545	$57.28
2011-02-10	MILLER, JOAN ELIZABETH	SVP-Pathology & Hosp. Services	普通株式	売却	1,207	$57.28
2011-02-09	MOHAPATRA, SURYA N	Director, Chairman, President & CEO	普通株式	購入	152,000	$35.53
2011-02-09	MOHAPATRA, SURYA N	Director, Chairman, President & CEO	普通株式	売却	152,000	$57.53