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):  April 27, 2026 ( April 23, 2026 ) ​ MATSON, INC. (Exact Name of Registrant as Specified in its Charter) ​ ​ Hawaii   ​ ​ 001-34187   ​ ​ 99-0032630 (State or Other Jurisdiction of Incorporation) ​ (Commission File Number) ​ (I.R.S. Employer Identification No.) ​ ​ 1411 Sand Island Parkway   ​ ​ ​ Honolulu , Hawaii ​ 96819 (Address of principal executive offices) ​ (zip code) ​ Registrant’s telephone number, including area code: ( 808 ) 848-1211 (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, without par value MATX 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. ​ At the 2026 Annual Meeting: (i) seven directors of the Company’s Board of Directors were elected, (ii) executive compensation was approved in an advisory vote, and (iii) the appointment of Deloitte & Touche LLP as the Company’s Independent Registered Public Accounting Firm for the year ending December 31, 2026 was ratified. ​ Each matter was described in detail in the Company’s Definitive Proxy Statement, filed with the Securities and Exchange Commission on March  9, 2026. The number of votes for, against or withheld, as well as the number of abstentions and broker non-votes, as to each matter voted upon at the 2026 Annual Meeting, were as follows: ​ Proposal 1: Election of Directors ​ Nominee   For   Withheld   Broker Non-Vote Meredith J. Ching   24,426,165 ​ 65,078 ​ 2,372,717 Matthew J. Cox   24,273,474 ​ 217,769 ​ 2,372,717 Mark H. Fukunaga   24,361,567 ​ 129,676 ​ 2,372,717 Stanley M. Kuriyama   24,414,191 ​ 77,052 ​ 2,372,717 Constance H. Lau   24,071,352 ​ 419,891 ​ 2,372,717 Bradley D. Tilden   24,423,836 ​ 67,407 ​ 2,372,717 Jenai S. Wall   24,367,195 ​ 124,048 ​ 2,372,717 ​ Proposal 2: Advisory Vote to Approve Executive Compensation ​ For   Against   Abstain   Broker Non-Vote 24,143,908 ​ 290,726 ​ 56,609 ​ 2,372,717 ​ Proposal 3: Ratification of Independent Registered Public Accounting Firm ​ ​ ​ For   Against   Abstain   Broker Non-Vote 26,561,608 ​ 274,651 ​ 27,701 ​ – ​ ​ ​ ​ 2 ​ SIGNATURE ​ Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ​ ​ ​ ​ ​ MATSON, INC. ​ ​ ​ ​ ​ /s/ Peter T. Heilmann ​ Peter T. Heilmann ​ Executive Vice President, Chief Administrative Officer and General Counsel ​ ​ ​ ​ Dated: April 27, 2026 ​ ​ ​ ​ ​ ​ 3 ​