DPC Holdings PLC 10-Q

Item 5. Other Information. Securities Trading Plans of Directors or Executive Officers (c) During the three months ended June 28, 2026, none of our officers or directors adopted or terminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any “ non-Rule 10b5-1 trading arrangement ” as defined in Item 408(c) of Regulation S-K. ​ 39 Table of Contents Item 6. Exhibits 3.1* ​ ​ ​ Amended and Restated Memorandum of Articles of Association of DPC Holdings PLC ​ ​ ​ 10.1 ​ DPC Holdings PLC 2026 Equity Incentive Plan and UK Sub-Plan (incorporated by reference to Exhibit 99.1 to the Company’s Registration Statement on Form S 8 filed with the SEC on June 25, 2026 (File No. 333-297021)). ​ ​ ​ 10.2 ​ DPC Holdings PLC 2026 Equity Incentive Plan Form of Option Award Agreement (incorporated by reference as Exhibit 10.9 to the Company’s Registration Statement on Form S-1/A filed with the SEC on June 15, 2026 (File No. 333-296215)). ​ ​ ​ 31.1* ​ Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. ​ ​ ​ 31.2* ​ Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. ​ ​ ​ 32.1** ​ Certification of Principal Executive Officer 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 Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. ​ ​ ​ 101.INS* ​ Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document. ​ ​ ​ 101.SCH* ​ Inline XBRL Taxonomy Extension Scheme ​ ​ ​ 101.CAL* ​ Inline XBRL Taxonomy Calculation Linkbase Document ​ ​ ​ 101.LAB* ​ Inline XBRL Taxonomy Label Linkbase Document ​ ​ ​ 101.PRE* ​ Inline XBRL Taxonomy Presentation Linkbase Document ​ ​ ​ 101.DEF* ​ Inline XBRL Taxonomy Definition Document ​ ​ ​ 104 ​ Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101) * Filed herewith. ** Furnished herewith. ​ 40 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. ​ DPC HOLDINGS PLC August 11, 2026 /s/ Michael Joseph Quinn ​ Michael Joseph Quinn ​ Chief Executive Officer and Executive Director ​ ​ August 11, 2026 /s/ David John Egan ​ David John Egan ​ Chief Financial Officer and Executive Director ​ (Principal Financial Officer and Accounting Officer) ​ ​ ​ 41