Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549   FORM 8-K   CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2026     CTS CORPORATION (Exact name of Registrant as Specified in Its Charter)     Indiana 1-4639 35-0225010 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)           4925 Indiana Avenue   Lisle , Illinois   60532 (Address of Principal Executive Offices)   (Zip Code)   Registrant’s Telephone Number, Including Area Code: (630) 577-8800     (Former Name or Former Address, if Changed Since Last Report)   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock, no par value   CTS   The New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐   Item 5.07. Submission of Matters to a Vote of Security Holders. The Company held its Annual Meeting of Shareholders (the “Annual Meeting”) on May 14, 2026. At the Annual Meeting, all director nominees were elected. Proposals 2 and 3 were approved. The proposals below are described in more detail in the Company’s definitive proxy statement filed on April 2, 2026 (the “Proxy Statement”) for the Annual Meeting. The final results were as follows: PROPOSAL 1 – Election of eight directors until the next annual meeting of shareholders:   DIRECTOR NOMINEE   NUMBER OF VOTES FOR     NUMBER OF VOTES AGAINST     NUMBER OF ABSTENTIONS     NUMBER OF BROKER NON-VOTES   Donna M. Costello   25,587,200       97,050       9,188       825,870   Amy M. Dodrill     25,634,413       47,914       11,111       825,870   William S. Johnson   25,186,497       497,885       9,056       825,870   Kimberly Banks MacKay     25,638,499       47,531       7,408       825,870   Kieran M. O’Sullivan   25,380,534       305,629       7,275       825,870   Robert A. Profusek   24,632,574       1,053,874       6,990       825,870   Randy L. Stone   25,631,137       53,245       9,056       825,870   Alfonso G. Zulueta     25,552,599       127,033       13,806       825,870     PROPOSAL 2 – Approval, on a non-binding advisory basis, of the compensation of our named executive officers as described in the Proxy Statement:   NUMBER OF VOTES FOR     NUMBER OF VOTES AGAINST     NUMBER OF ABSTENTIONS     NUMBER OF BROKER NON-VOTES     25,021,506       655,182       16,750       825,870     PROPOSAL 3 – Ratification of the appointment of Grant Thornton, LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026:   NUMBER OF VOTES FOR   NUMBER OF VOTES AGAINST   NUMBER OF ABSTENTIONS     25,989,929       522,284       7,095       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 hereunto duly authorized.         CTS Corporation         Date: May 19, 2026 By: /s/ Mark Pacioni       Mark Pacioni Vice President, Chief Legal and Administrative Officer and Corporate Secretary