X0304 4 2012-02-24 0 0000792977 AMAG PHARMACEUTICALS INC. AMAG 0001317757 Farmer Joseph L C/O AMAG PHARMACEUTICALS, INC. 100 HAYDEN AVENUE LEXINGTON MA 02421 0 1 0 0 General Counsel, SVP Common Stock 2012-02-24 4 C 0 833 A 833 D Common Stock 2012-02-24 4 S 0 833 15.82 D 0 D Restricted Stock Unit 2012-02-24 4 C 0 833 A Common Stock 833 833 D The shares were acquired by the reporting person as a result of the partial vesting of a restricted stock unit grant described below. Not applicable. The sale reported on this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person. Each restricted stock unit represents a contingent right to receive one share of common stock. Grant of restricted stock unit pursuant to the AMAG Pharmaceuticals, Inc. Second Amended and Restated 2007 Equity Incentive Plan. This grant vests in four equal installments on February 24, 2011, February 24, 2012, February 24, 2013 and February 24, 2014. Joseph L. Farmer 2012-02-24