X0306 4 2018-08-29 0 0001012019 RUSH ENTERPRISES INC \TX\ RUSH 0001392503 Keller Steven L 555 IH 35 SOUTH, SUITE 500 NEW BRAUNFELS TX 78130 0 1 0 0 CFO & Treasurer Class A Common Stock 2018-08-29 4 A 0 11.163 43.00 A 36524.163 D Class A Common Stock 2018-12-10 4 A 0 14.847 32.42 A 36539.01 D Class A Common Stock 2019-03-15 4 A 0 11.740 41.15 A 36550.75 D Class A Common Stock 2019-06-10 4 A 0 13.561 35.73 A 36564.311 D Class A Common Stock 2019-09-10 4 A 0 12.905 40.81 A 36577.216 D Class A Common Stock 2019-12-10 4 A 0 11.294 46.78 A 36588.51 D Class B Common Stock 2018-08-29 4 A 0 101.065 43.98 A 74918.065 D Class B Common Stock 2018-12-10 4 A 0 132.845 33.55 A 75050.91 D Class B Common Stock 2019-03-15 4 A 0 79.789 40.40 A 75130.699 D Class B Common Stock 2019-05-22 4 F 0 2987 37.89 D 72143.699 D Class B Common Stock 2019-06-10 4 A 0 81.565 36.90 A 72225.264 D Class B Common Stock 2019-09-10 4 A 0 78.088 41.89 A 72303.352 D Class B Common Stock 2019-12-10 4 A 0 71.847 45.67 A 72375.367 D Class B Common Stock 2020-03-13 4 A 0 15000 0 A 87375.367 D Class B Common Stock 2019-03-15 4 F 0 1055 32.83 D 86320.367 D Class B Common Stock 2020-03-15 4 F 0 1136 32.83 D 85184.367 D Option (right to buy) 33.42 2020-03-13 4 A 0 10000 0 A 2030-03-13 Class A Common Stock 10000 10000 D These shares were acquired pursuant to a dividend reinvestment feature of the Rush Enterprises, Inc. Deferred Compensation Plan. Includes certain shares included in the Company's deferred compensation plan. Includes 341 shares acquired January 1, 2020, under the Rush Enterprises, Inc. Employee Stock Purchase Plan. Includes unvested restricted stock (RSAs) and certain shares and unvested restricted stock units included in the Company's deferred compensation plan. Shares reported are shares not distributed to the reporting person in order to satisfy the reporting person's tax obligations with respect to the distribution of shares of the Company's Class B Common Stock pursuant to the Company's Deferred Compensation Plan. Reflects the grant of RSAs. The RSAs vest in increments of 1/3 on each of the first, second, and third anniversary of the grant date, which is March 13, 2020. Shares reported are shares not distributed to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock units that occurred on March 15, 2018. Shares reported are shares not distributed to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of RSAs that occurred on March 15, 2019. Options may be exercised in increments of 1/3 on each anniversary of the grant date beginning on the third anniversary of the grant date. The grant date is ten years prior to the expiration date. Steven L. Keller 2020-03-17