1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 15, 1999 AMERICAN MANAGEMENT SYSTEMS, INCORPORATED ------------------------------------------------------ (Exact name of registrant as specified in its charter) DELAWARE 0-9233 54-0856778 - ----------------------------------------------- -------------------------- ------------------- (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 4050 Legato Road Fairfax, Virginia 22033 - ---------------------------------- ----------- (Address of Principal Executive Offices) (Zip Code) (703) 267-8000 --------------------------------------------------- (Registrant's telephone number, including area code) Not Applicable ------------------------------------------------------------ (Former name or former address, if changed since last report) 2 ITEM 5. OTHER EVENTS. Attached is a press release issued by the Registrant on July 15, 1999. The press release is incorporated herein by this reference. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. (c) Exhibits 99.1 Press Release, Dated July 15, 1999 -2- 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. AMERICAN MANAGEMENT SYSTEMS, INCORPORATED By: /s/ Nancy M. Yurek -------------------------- Nancy M. Yurek Controller Date: July 20, 1999 -3- 4 EXHIBIT INDEX Exhibit Number Description - ------ ----------- 99.1 Press Release, Dated July 15, 1999 -4-