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): December 9, 2004 Wabash National Corporation (Exact name of registrant as specified in its charter) Delaware 1-10883 52-1375208 ---------------------- --------------- --------------------- (State or other (Commission (IRS Employer jurisdiction File No.) Identification No.) of incorporation) 1000 Sagamore Parkway South, Lafayette, Indiana 47905 ----------------------------------------------- ----------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (765) 771-5310 ------------------ Not applicable (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 (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) INFORMATION TO BE INCLUDED IN THE REPORT Item 5.02. Departure of Director or Principal Officers; Election of Directors; Appointment of Principal Officers. (d) On December 9, 2004, Wabash National Corporation issued a press release announcing the appointment of Ronald L. Stewart to the Company's Board of Directors on December 8, 2004. The press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (c) Exhibits 99.1 Wabash National Corporation press release dated December 9, 2004. Page 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. WABASH NATIONAL CORPORATION Date: December 9, 2004 By: /s/ Robert J. Smith ------------------------- Robert J. Smith Senior Vice President and Chief Financial Officer Page 3 EXHIBIT INDEX EXHIBIT NO. DESCRIPTION ------------- ---------------------------------------------- 99.1 Wabash National Corporation Press Release dated December 9, 2004 Page 4