LITTELFUSE INC /DE 10-Q

ITEM 5. OTHER INFORMATION Rule 10b5-1 Trading Plans The adoption or termination of contracts, instructions or written plans for the purchase or sale of our securities by our Section 16 officers and directors for the three months ended June 29, 2024, each of which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act (“Rule 10b5-1 Plan”), were as follows: 41 Table of Contents Name Title Action Date Termination of the plan Date Adopted Expiration Date Aggregate # of securities to be Sold Meenal Sethna (1) Executive Vice President and Chief Financial Officer Termination of the plan 5/13/2024 11/9/2023 4/25/2025 9,145 (1) On May 13, 2024 , Meenal Sethna , Executive Vice President and Chief Financial Officer , terminated a pre-arranged stock trading plan pursuant to Rule 10b5-1 that was adopted November 9, 2023. Ms. Sethna’s plan provided for the potential exercise of vested stock options and the associated sale of up to 9,145 shares of the Company’s common stock. The stock options covered by the plan expire on April 25, 2025 if they are not otherwise terminated. Other than those disclosed above, none of our directors or officers adopted or terminated a "non-Rule 10b5-1 trading arrangement" as defined in Item 408 of Regulation S-K. ITEM 6. EXHIBITS Exhibit Description 31.1* Certification of David W. Heinzmann, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2* Certification of Meenal A. Sethna, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1** Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101 The following financial information from LITTELFUSE, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 29, 2024 formatted in Inline XBRL (Extensible Business Reporting Language) includes: (i) the Condensed Consolidated Balance Sheets, (ii) the Condensed Consolidated Statements of Net Income, (iii) the Condensed Consolidated Statements of Comprehensive Income, (iv) the Condensed Consolidated Statements of Stockholders' Equity, (v) the Condensed Consolidated Statements of Cash Flows, and (vi) Notes to the Condensed Consolidated Financial Statements. 104 The cover page from this Quarterly Report on Form 10-Q for the quarter ended June 29, 2024, formatted in Inline XBRL. * Filed herewith. ** Furnished herewith. 42 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Quarterly Report on Form 10-Q for the quarter ended June 29, 2024, to be signed on its behalf by the undersigned thereunto duly authorized. Littelfuse, Inc. By: /s/ Meenal A. Sethna Meenal A. Sethna Executive Vice President and Chief Financial Officer Date: July 31, 2024 By: /s/ Jeffrey G. Gorski Jeffrey G. Gorski Senior Vice President and Chief Accounting Officer 43