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 23, 2024   Commission file number: 000-03134 PARK-OHIO HOLDINGS CORP. (Exact name of registrant as specified in its charter)   Ohio   34-1867219 (State or other jurisdiction of incorporation or organization)   (I.R.S. Employer Identification No.) 6065 Parkland Boulevard, Cleveland, Ohio   44124 (Address of principal executive offices)   (Zip Code) Registrant’s telephone number, including area code: ( 440 ) 947-2000 Not applicable (Former name or former address, if changed since last report.) 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, Par Value $1.00 Per Share PKOH The NASDAQ Stock Market LLC 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 (see General Instruction A.2.): ☐ 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)) Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. ☐ 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. ¨ 2 Item 5.07 Submission of Matters to a Vote of Security Holders. Park-Ohio Holdings Corp. (the “Company”) held its Annual Meeting of Shareholders on May 23, 2024. The final voting results for the proposals submitted for a vote of shareholders at the Annual Meeting of the Shareholders are set forth below. Proposal 1. The shareholders elected Matthew V. Crawford, Ronna Romney and James W. Wert as directors of the Company to serve until the 2027 Annual Meeting of the Shareholders. The voting results were as follows: Director Nominee For Withheld Broker Non-Vote Matthew V. Crawford 11,001,871 97,534 566,485 Ronna Romney 10,254,364 845,041 566,485 James W. Wert 8,800,545 2,298,860 566,485 Proposal 2. The shareholders approved the ratification of the selection of Ernst & Young LLP as the Company’s independent public accounting firm for 2024. The voting results were as follows: For   Against   Abstain 11,557,391 107,968 531 3 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.       Park-Ohio Holdings Corp. (Registrant) Dated: May 23, 2024   /s/ Robert D. Vilsack   Robert D. Vilsack   Chief Legal and Administrative Officer, Corporate Secretary 4