FORM 8-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 14, 2002 KNIGHT TRANSPORTATION, INC. (Exact name or registrant as specified in its charter) Arizona 000-24946 86-0649974 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) 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. Change in Registrant's Certifying Accountant. Not applicable. Item 5. Other Events. Concurrently with the filing of the Knight Transportation, Inc., an Arizona corporation (the "Company"), Form 10-Q for the period ended September 30, 2002, Kevin P. Knight, the Company's Chief Executive Officer, and Timothy M. Kohl, the Company's Chief Financial Officer, provided to the SEC the certifications required pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and 18 U.S.C. Section 1350. Please see the Company's Form 10-Q filed with the Securities and Exchange Commission for the period ended September 30, 2002, for more information. Item 6. Resignation of Registrant's Directors. Not applicable. Item 7. Financial Statements, Proforma Financial Information and Exhibits. Exhibits. 99.1 Certification by Kevin P. Knight, the Company's Chief Executive Officer, of the Company's Form 10-Q for the three month period ended September 30, 2002, as required pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and 18 U.S.C. Section 1350. 99.2 Certification by Timothy M. Kohl, the Company's Chief Financial Officer, of the Company's Form 10-Q for the three month period ended September 30, 2002, as required pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and 18 U.S.C. Section 1350. Item 8. Change in Fiscal Year. Not applicable. Item 9. Regulation FD Disclosure. See Item 5, above. 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. KNIGHT TRANSPORTATION, INC. Dated: November 14, 2002 /s/ Timothy M. Kohl ---------------------------------------- Timothy M. Kohl Executive Vice-President, Secretary, and Chief Financial Officer