B. Carl Byers

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ATHN	$31.95	200	$6,390.00	238,532	2009-05-21	Filing
ATHN	$31.82	100	$3,182.00	238,732	2009-05-21	Filing
ATHN	$31.49	200	$6,298.00	238,832	2009-05-21	Filing
ATHN	$31.60	200	$6,320.00	239,032	2009-05-21	Filing
ATHN	$31.39	100	$3,139.00	239,232	2009-05-21	Filing
ATHN	$31.20	100	$3,120.00	239,332	2009-05-21	Filing
ATHN	$31.33	100	$3,133.00	239,432	2009-05-21	Filing
ATHN	$31.40	100	$3,140.00	239,532	2009-05-21	Filing
ATHN	$31.72	100	$3,172.00	239,632	2009-05-21	Filing
ATHN	$31.59	100	$3,159.00	239,732	2009-05-15	Filing
ATHN	$31.54	100	$3,154.00	239,832	2009-05-15	Filing
ATHN	$31.34	100	$3,134.00	239,932	2009-05-15	Filing
ATHN	$30.78	200	$6,156.00	240,032	2009-05-15	Filing
ATHN	$30.71	90	$2,763.90	240,232	2009-05-15	Filing
ATHN	$30.73	100	$3,073.00	240,322	2009-05-15	Filing
ATHN	$30.75	100	$3,075.00	240,422	2009-05-15	Filing
ATHN	$30.56	100	$3,056.00	240,522	2009-05-15	Filing
ATHN	$31.64	59	$1,866.76	240,622	2009-05-15	Filing
ATHN	$30.71	10	$307.10	240,681	2009-05-15	Filing
ATHN	$31.91	100	$3,191.00	240,691	2009-05-15	Filing