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): September 18, 2006 NAVIGANT CONSULTING, INC. ----------------------------------------------------------------- (Exact Name of Registrant as Specified in Charter) Delaware 0-28830 36-4094854 ------------------ -------------- ------------------------ (State or Other (Commission (IRS Employer Jurisdiction of Incorporation) File Number) Identification Number) 615 North Wabash, Chicago, IL 60611 (Address of Principal Executive Offices) (Zip Code) (312) 573-5600 (Registrant's telephone number, including area code) N.A. (Former Name or Former Address if Changed Since Last Report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: |_| Written communications pursuant to Rule 425 under the Securities Act |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act |_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act ITEM 8.01. Other Events. On September 18, 2006, Navigant Consulting, Inc. (the "Company") issued a press release reporting its receipt of a ruling from an arbitrator. A copy of the press release is filed as an exhibit to this report and is incorporated by reference into this Item. ITEM 9.01. Financial Statements and Exhibits. (d) The following items are included as Exhibits to this report: 99.1 Press Release dated September 18, 2006 2 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. NAVIGANT CONSULTING, INC. Date: September 18, 2006 By: /s/ Ben W. Perks ---------------------------------------- Ben W. Perks Executive Vice President and Chief Financial Officer