X0201 42003-09-19 0000310624 AMERICAN MANAGEMENT SYSTEMS INC AMSY 0001212424 MOREA DONNA S 4050 LEGATO ROAD FAIRFAX VA 22033 0100Executive Vice PresidentCommon Stock48904DEmployee Stock Option (Right to Buy)22.6252006-01-21Common Stock50005000DEmployee Stock Option (Right to Buy)33.3752004-02-29Common Stock25002500DEmployee Stock Option (Right to Buy)31.81252010-02-28Common Stock90009000DEmployee Stock Option (Right to Buy)20.562009-05-10Common Stock5059750597DEmployee Stock Option (Right to Buy)21.002009-06-07Common Stock2440324403DEmployee Stock Option (Right to Buy)11.042010-03-06Common Stock4000040000DEmployee Stock Option (Right to Buy)13.972003-09-194A010000A2010-09-19Common Stock1000010000DOptions vest in equal monthly installments over a period of 8 years beginning on February 21,1998.Options were fully vested as of June 30, 2001.Options were fully vested as of June 30, 2001.Options vest in three equal annual installments beginning on May 10, 2003.Options vest in three equal annual installments beginning on June 7, 2003.Options vest in three equal annual installments beginning on March 6, 2004.Options vest in three equal annual installments beginning on September 19, 2004.Grant of 16b-3 option.Lisa A. Hunt as Attorney-in-Fact2003-09-23