X0303 4 2011-03-15 0 0001196501 HMS HOLDINGS CORP HMSY 0001497712 Curtin Sean 401 PARK AVENUE SOUTH NEW YORK NY 10016 0 0 0 1 EVP, Operations Common Stock 2011-03-15 4 M 0 6458 23.99 A 36082 D Common Stock 2011-03-15 4 S 0 6458 78.67 D 29624 D Non Qualified Stock Option (Right to Buy) 23.99 2011-03-15 4 M 0 6458 0.00 D 2008-10-01 2015-09-30 Common Stock 6458 22294 D The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 10, 2010. Of which 19,187 are restricted stock awards granted on February 19, 2009 pursuant to the Third 2006 Amended and Restated Stock Plan (the "2006 Stock Plan") and 12,175 are restricted stock units granted on February 17, 2011 pursuant to the 2006 Stock Plan. Date shown is the date of grant. Options vest in 25% increments annually on the anniversary date of grant. Only represents the derivative securities of this class. Walter D. Hosp by Power of Attorney for Sean Curtin 2011-03-15