BELDEN INC. 10-Q

Item 5: Other Information Rule 10b5-1 Trading Plans None of the Company’s directors or officers adopted , modified, or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the three months ended June 28, 2026. Item 6: Exhibits Exhibits Exhibit 4.1 Second Supplemental Indenture relating to Senior Subordinated Notes due 2028 Exhibit 4.2 Second Supplemental Indenture relating to Senior Subordinated Notes due 2031 Exhibit 4.3 First Supplemental Indenture relating to Senior Subordinated Notes due 2033 Exhibit 31.1 Certificate of the Chief Executive Officer pursuant to § 302 of the Sarbanes-Oxley Act of 2002. Exhibit 31.2 Certificate of the Chief Financial Officer pursuant to § 302 of the Sarbanes-Oxley Act of 2002. Exhibit 32.1 Certificate of the Chief Executive Officer pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002. Exhibit 32.2 Certificate of the Chief Financial Officer pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002. Exhibit 101.SCH Schema Document Exhibit 101.CAL Calculation Linkbase Document Exhibit 101.DEF Definition Linkbase Document Exhibit 101.LAB Labels Linkbase Document Exhibit 101.PRE Presentation Linkbase Document -24- 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. BELDEN INC. Date: July 30, 2026 By: /s/ Ashish Chand Ashish Chand President and Chief Executive Officer Date: July 30, 2026 By: /s/ Jeremy Parks Jeremy Parks Executive Vice President and Chief Financial Officer Date: July 30, 2026 By: /s/ Douglas R. Zink Douglas R. Zink Vice President and Chief Accounting Officer -25-