X0306 4 2013-05-08 0 0000883945 USA TRUCK INC USAK 0001491631 Simpson James D. III 3200 INDUSTRIAL PARK ROAD VAN BUREN AR 72956 1 0 0 0 COMMON STOCK 2013-05-08 4 A 0 4166 0 A 26166 D On May 8, 2013, the Compensation Committee of the Company's Board of Directors granted the Reporting Person, under the 2004 Equity Incentive Plan, an award of Restricted Stock. The award granted was determined based upon the closing market price of the Company's Common Stock for May 8, 2013. The shares will vest on the day of the 2014 Annual Meeting of Stockholders, subject to certain acceleration and forfeiture provisions. /s/ James D. Simpson, III, by Clifton R. Beckham, Attorney-in-fact pursuant to POA filed herewith 2013-05-08