B. Carl Byers

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ATHN	$37.85	100	$3,785.00	256,855	2009-01-26	Filing
ATHN	$38.24	100	$3,824.00	256,955	2009-01-26	Filing
ATHN	$38.13	100	$3,813.00	257,055	2009-01-26	Filing
ATHN	$35.70	100	$3,570.00	257,155	2009-01-23	Filing
ATHN	$35.92	100	$3,592.00	257,255	2009-01-23	Filing
ATHN	$36.40	100	$3,640.00	257,355	2009-01-23	Filing
ATHN	$36.33	100	$3,633.00	257,455	2009-01-23	Filing
ATHN	$36.78	100	$3,678.00	257,555	2009-01-23	Filing
ATHN	$36.63	100	$3,663.00	257,655	2009-01-23	Filing
ATHN	$36.73	100	$3,673.00	257,755	2009-01-23	Filing
ATHN	$36.68	100	$3,668.00	257,855	2009-01-23	Filing
ATHN	$36.44	100	$3,644.00	257,955	2009-01-23	Filing
ATHN	$36.80	100	$3,680.00	258,055	2009-01-23	Filing
ATHN	$32.63	99	$3,230.37	258,155	2009-01-12	Filing
ATHN	$32.61	1	$32.61	258,254	2009-01-12	Filing
ATHN	$31.86	100	$3,186.00	258,255	2009-01-12	Filing
ATHN	$31.30	100	$3,130.00	258,355	2009-01-12	Filing
ATHN	$32.37	100	$3,237.00	258,455	2009-01-12	Filing
ATHN	$32.43	100	$3,243.00	258,555	2009-01-12	Filing
ATHN	$32.29	100	$3,229.00	258,655	2009-01-12	Filing