Murphy USA Inc. 10-Q

ITEM 5. OTHER INFORMATION Rule 10b5-1 and Non-Rule 10b5-1 Trading Arrangements During the three months ended March 31, 2026, certain of our officers and directors adopted Rule 10b5-1 trading arrangements as follows: On February 23, 2026 , Renee M. Bacon , Senior Vice President, Chief Retail Officer , adopted a trading plan intended to satisfy the conditions under Rule 10b5-1(c) of the Exchange Act. Ms. Bacon's plan provides for the aggregate of (i) the exercise of 2,600 vested options and the sale of the resulting net shares, the actual number of shares sold will depend on the number of shares withheld by the Company to satisfy the option exercise price and income tax withholding obligations, (ii) the sale of 454 shares upon the vesting of certain RSUs and (iii) the sale of 908 shares upon the vesting of certain PSUs, each of which she will receive at the February 2027 vesting date, 39 the actual number of shares sold will depend on the vesting of certain performance-based equity awards and the number of shares withheld by the Company to satisfy its income tax withholding obligations. The plan will terminate at the earlier of the date all shares under the plan are sold or February 26, 2027 . ITEM 6. EXHIBITS The Exhibit Index on page 42 of this Form 10-Q report lists the exhibits that are filed herewith or incorporated herein by reference. 40 SIGNATURE 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. MURPHY USA INC. (Registrant) By /s/ Donald R. Smith Jr. Donald R. Smith Jr. Senior Vice President, Chief Financial Officer and Treasurer (Authorized Officer and Principal Financial and Accounting Officer) May 7, 2026 41 EXHIBIT INDEX Exhibit Number Description 31.1* Certification required by Rule 13a-14(a) pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 of Principal Executive Officer 31.2* Certification required by Rule 13a-14(a) pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 of Principal Financial Officer 32.1* Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 of Principal Executive Officer 32.2* Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 of Principal Financial Officer 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 Labels Linkbase Document 101. PRE* Inline XBRL Taxonomy Extension Presentation Linkbase 104 Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document * Filed herewith † Management contract or compensatory plan or arrangement 42