B. Carl Byers

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ATHN	$35.03	100	$3,503.00	254,755	2009-02-11	Filing
ATHN	$34.98	200	$6,996.00	254,855	2009-02-11	Filing
ATHN	$34.90	100	$3,490.00	255,055	2009-02-11	Filing
ATHN	$36.84	100	$3,684.00	255,155	2009-02-05	Filing
ATHN	$36.90	100	$3,690.00	255,255	2009-02-05	Filing
ATHN	$36.94	200	$7,388.00	255,355	2009-02-05	Filing
ATHN	$36.78	100	$3,678.00	255,555	2009-02-05	Filing
ATHN	$36.43	100	$3,643.00	255,655	2009-02-05	Filing
ATHN	$35.64	100	$3,564.00	255,755	2009-02-05	Filing
ATHN	$36.00	100	$3,600.00	255,855	2009-02-05	Filing
ATHN	$35.28	100	$3,528.00	255,955	2009-02-05	Filing
ATHN	$35.25	100	$3,525.00	256,055	2009-02-05	Filing
ATHN	$36.93	2	$73.86	256,155	2009-01-26	Filing
ATHN	$38.55	100	$3,855.00	256,157	2009-01-26	Filing
ATHN	$38.77	100	$3,877.00	256,257	2009-01-26	Filing
ATHN	$38.36	100	$3,836.00	256,357	2009-01-26	Filing
ATHN	$38.40	100	$3,840.00	256,457	2009-01-26	Filing
ATHN	$37.35	100	$3,735.00	256,557	2009-01-26	Filing
ATHN	$36.98	98	$3,624.04	256,657	2009-01-26	Filing
ATHN	$37.84	100	$3,784.00	256,755	2009-01-26	Filing