================================================================================ 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) September 19, 2003 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 and Regulation FD Disclosure. ---------------------------------------------- On Friday, September 19, 2003, Knight Transportation, Inc., an Arizona corporation (the "Company"), appointed Mr. Michael Garnreiter to its Board of Directors. The Company's Board of Directors unanimously approved the addition of Mr. Garnreiter to its Board and appointed Mr. Garnreiter as a Class III director. Since April, 2002, Mr. Garnreiter has served as the Executive Vice President, Treasurer and Chief Financial Officer of Main Street and Main, Incorporated, a publicly-held restaurant operating company. Prior to joining Main Street and Main, Mr. Garnreiter was a general partner of the international accounting firm of Arthur Andersen, LLP. Mr. Garnreiter graduated with a Bachelor of Science Degree in Accounting from California State University at Long Beach in 1974. Item 6. Resignation of Registrant's Directors. ---------------------------------------- Not applicable. Item 7. Financial Statements and Exhibits. ------------------------------------ Not applicable. 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. -------------------------------------------------- Not applicable. -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. KNIGHT TRANSPORTATION, INC. Dated: September 19, 2003 /s/ Timothy M. Kohl ------------------------------------------- Timothy M. Kohl Executive Vice-President, Secretary, and Chief Financial Officer -3-