C Robert Arzbaecher

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ATU	$36.71	25,128	$922,448.88	370,796	2013-12-26	Filing
ATU	$36.71	59,827	$2,196,249.17	395,924	2013-12-26	Filing
ATU	$36.68	13,458	$493,639.44	395,924	2013-12-24	Filing
ATU	$36.68	32,041	$1,175,263.88	409,382	2013-12-24	Filing
ATU	$38.08	49,673	$1,891,547.84	409,382	2013-10-29	Filing
ATU	$38.08	21,731	$827,516.48	409,382	2013-10-29	Filing
ATU	$38.06	30,238	$1,150,858.28	431,113	2013-10-28	Filing
ATU	$38.06	13,229	$503,495.74	431,113	2013-10-28	Filing
ATU	$37.95	44,570	$1,691,431.50	444,342	2013-10-25	Filing
ATU	$37.95	19,500	$740,025.00	444,342	2013-10-25	Filing
ATU	$38.32	35,519	$1,361,088.08	463,842	2013-10-24	Filing
ATU	$38.32	15,540	$595,492.80	463,842	2013-10-24	Filing
ATU	$35.03	16,034	$561,671.02	479,382	2013-07-19	Filing
ATU	$35.01	51,872	$1,816,038.72	479,382	2013-07-18	Filing
ATU	$35.02	14,865	$520,572.30	479,382	2013-07-17	Filing
ATU	$35.28	15,014	$529,693.92	479,382	2013-07-16	Filing
ATU	$35.35	24,709	$873,463.15	479,382	2013-07-15	Filing
ATU	$35.31	30,654	$1,082,392.74	479,382	2013-07-12	Filing
ATU	$35.26	43,027	$1,517,132.02	479,382	2013-07-11	Filing
ATU	$35.02	28,153	$985,918.06	479,382	2013-07-10	Filing