RUSH ENTERPRISES INC \TX\ 10-Q

ITEM 5. Other Information.   Not Applicable   ITEM 6. Exhibits   Exhibit Number Exhibit Title           3.1 Restated Articles of Incorporation of Rush Enterprises, Inc. (incorporated herein by reference to Exhibit 3.1 of the Company’s Quarterly Report on Form 10-Q (File No. 000-20797) for the quarter ended June 30, 2008) 3.2 Rush Enterprises, Inc. Amended and Restated Bylaws (incorporated herein by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K (File No. 000-20797) filed May 21, 2013) 3.3 First Amendment to Amended and Restated Bylaws of Rush Enterprises, Inc. (incorporated herein by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K (File No. 000-20797) filed May 24, 2021) 31.1* Certification of CEO pursuant to Rules 13a-14(a) and 15d-14(a) adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2* Certification of CFO pursuant to Rules 13a-14(a) and 15d-14(a) adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.  32.1** Certification of CEO pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.  32.2** Certification of CFO pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101.INS XBRL Instance Document – The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the inline XBRL document 101.SCH* Inline XBRL Taxonomy Extension Schema Document. 101.CAL* Inline XBRL Taxonomy Extension Calculation Linkbase Document. 101.DEF* Inline XBRL Taxonomy Extension Definition Linkbase Document. 101.LAB* Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE* Inline XBRL Taxonomy Extension Presentation Linkbase Document 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)   * Filed herewith ** This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934.   30 Table of Contents   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 thereunto duly authorized.     RUSH ENTERPRISES, INC.                                   Date:         August 6, 2021 By: /S/  W.M. “RUSTY” RUSH       W.M. “Rusty” Rush       President, Chief Executive Officer and       Chairman of the Board       (Principal Executive Officer)       Date:         August 6, 2021 By: /S/  STEVEN L. KELLER       Steven L. Keller       Chief Financial Officer and Treasurer       (Principal Financial and Accounting Officer)     31