 VAN BUREN, AR ACCESSWIRE April 7, 2021 USA Truck, Inc. NASDAQ:USAK, a leading capacity solutions provider headquartered in Van Buren, AR, today announced it will release its first quarter 2021 financial results after market close on Thursday, April 29, 2021, and will hold a conference call to discuss those results the following day, Friday, April 30, 2021, at 8:00 a.m. CT 9:00 a.m. 