KIRBY CORP 10-Q

Item 5. Other Information During the three months ended June 30, 2023, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as such terms are defined in Item 408(a) of Regulation S-K. Item 6. Exhibits EXHIBIT INDEX Exhibit Number Description of Exhibits 3.1 – Restated Articles of Incorporation of the Company with all amendments to date (incorporated by reference to Exhibit 3.1 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2014). 3.2 – Bylaws of the Company with all amendments to date (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on October 28, 2022). 4.1 – See Exhibits 3.1 and 3.2 hereof for provisions of our Restated Articles of Incorporation of the Company with all amendments to date and the Bylaws of the Company with all amendments to date (incorporated, respectively, by reference to Exhibit 3.1 to the Registrant's Annual Report on Form 10-K for the year ended December 31, 2014 and Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on October 28, 2022). 31.1* – Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) 31.2* – Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) 32* – Certification Pursuant to 18 U.S.C. Section 1350 101.INS* – Inline 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 (embedded within the Inline XBRL document) * Filed herewith. † Management contract, compensatory plan or arrangement. 29 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. KIRBY CORPORATION (Registrant) By: /s/ Raj Kumar Raj Kumar Executive Vice President and Chief Financial Officer Dated: August 7, 2023 30