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): April 21, 2004 ________________________________________________________________________ KNIGHT TRANSPORTATION, INC. (Exact name of registrant as specified in its charter) Arizona 000-24946 86-0649974 (State or other jurisdiction (Commission File Number) (I.R.S. Employer of incorporation) Identification No.) 5601 W. Buckeye Road, Phoenix, Arizona 85043 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (602) 269-2000 Not applicable (Former name or former address, if changed since last report) 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 Knight Transportation, Inc. press release announcing financial results for the quarter ended March 31, 2004 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 Wednesday, April 21, 2004, Knight Transportation, Inc., an Arizona corporation (the "Company"), issued a press release (the "Press Release") announcing its financial results for the quarter ended March 31, 2004. 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 or events may differ from those anticipated by forward-looking statements. Please refer to the Company's Annual Report on Form 10-K 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. KNIGHT TRANSPORTATION, INC. Date: April 22, 2004 /s/ David A. Jackson ---------------------------------- David A. Jackson Chief Financial Officer EXHIBIT INDEX 99.1 Knight Transportation, Inc. press release announcing financial results for the quarter ended March 31, 2004