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): October 17, 2003 ------------------------------------------------------------ MARTEN TRANSPORT, LTD. (Exact name of registrant as specified in its charter) Delaware 0-15010 39-1140809 (State or other jurisdiction (Commission File Number) (I.R.S. Employer of incorporation) Identification No.) 129 Marten Street, Mondovi, WI 54755 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (715) 926-4216 Item 1. Changes in Control of Registrant. Not applicable. Item 2. Acquisition or Disposition of Assets. Not applicable. Item 3. Bankruptcy or Receivership. Not applicable. Item 4. Changes in Registrant's Certifying Accountant. Not applicable. Item 5. Other Events and Regulation FD Disclosure. Not applicable. Item 6. Resignations of Registrant's Directors. Not applicable. Item 7. Financial Statements and Exhibits. (c) Exhibits. EXHIBIT NUMBER EXHIBIT TITLE ---------------------------------------------------------------------------- 99.1 Marten Transport, Ltd. press release announcing financial results for the quarter and nine months ended September 30, 2003 Item 8. Change in Fiscal Year. Not applicable. Item 9. Regulation FD Disclosure. Not applicable. Item 10. Amendments to the Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics. Not applicable. Item 11. Temporary Suspension of Trading Under Registrant's Employee Benefit Plans. Not applicable. Item 12. Results of Operations and Financial Condition. On Friday, October 17, 2003, Marten Transport, Ltd., a Delaware corporation (the "Company"), issued a press release (the "Press Release") announcing its financial results for the quarter and nine months ended September 30, 2003. A copy of the Press Release is attached to this report as Exhibit 99.1. The information contained in this report and the exhibit hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. The information in this report and the exhibit hereto may contain "forward-looking statements" that are made pursuant to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995 and otherwise may be protected. Such statements are made based on the current beliefs and expectations of the Company's management and are subject to significant risks and uncertainties. Actual results may differ from those anticipated by forward-looking statements. Please refer to the Company's prospectus dated August 14, 2003, and other filings with the Securities and Exchange Commission, for information concerning risks, uncertainties, and other factors that may affect future results. SIGNATURE 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. MARTEN TRANSPORT, LTD. Date: October 17, 2003 By: /s/ Frank J. Foster ---------------------------------- Frank J. Foster Vice President of Finance EXHIBIT INDEX 99.1 Marten Transport, Ltd. press release announcing financial results for the quarter and nine months ended September 30, 2003