Dorman Products, Inc. 10-Q

ITEM 5. Other Information Director and Executive Officer Trading Arrangements On March 13, 2024 , Mr. Jeffrey L. Darby , our Senior Vice President, Sales & Marketing , adopted a Rule 10b5-1 plan (“Rule 10b5-1 Plan”) intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act. Mr. Darby’s Rule 10b5-1 Plan provides for the sale of up to 9,000 shares of the Company's common stock, pursuant to the terms of the Rule 10b5-1 Plan. The Rule 10b5-1 Plan expires on March 28, 2025, or upon the earlier completion of all authorized transactions under such Rule 10b5-1 Plan. During the quarter ended March 30, 2024, no other director or executive officer adopted or terminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408(a) of Registration S-K). ITEM 6. Exhibits (a) Exhibits The Exhibits included in this report are listed in the Exhibit Index on page 26 , which is incorporated herein by reference. EXHIBIT INDEX 31.1 Certification of Chief Executive Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. * 31.2 Certification of Chief Financial Officer pursuant to Rule 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. * 32 Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished with this report). ** 101 The following financial statements from the Dorman Products, Inc. Quarterly Report on Form 10-Q as of and for the quarter ended March 30, 2024, formatted in Inline XBRL (eXtensible Business Reporting Language): (i) the Condensed Consolidated Statements of Operations; (ii) the Condensed Consolidated Balance Sheets; (iii) Condensed Consolidated Statements of Shareholders’ Equity; (iv) the Condensed Consolidated Statements of Cash Flows and (v) the Notes to Condensed Consolidated Financial Statements. 104 The cover page from the Company’s Quarterly Report on Form 10-Q as of and for the quarter ended March 30, 2024, formatted in Inline XBRL (included as Exhibit 101). * Filed herewith ** Furnished herewith 26 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. Dorman Products, Inc. May 7, 2024 /s/ Kevin M. Olsen Kevin M. Olsen President, Chief Executive Officer (principal executive officer) May 7, 2024 /s/ David M. Hession David M. Hession Senior Vice President and Chief Financial Officer (principal financial and accounting officer) 27