Results of Operations

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 July 28, 2025 (Date of earliest event reported) BANK OF HAWAII CORPORATION (Exact name of registrant as specified in its charter) Delaware 1-6887 99-0148992 (State of Incorporation) (Commission File Number) (IRS Employer Identification No.) 130 Merchant Street Honolulu Hawaii 96813 (Address of principal executive offices) (City) (State) (Zip Code) ( 888 ) 643-3888 (Registrant's telephone number, including area code) 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 $0.01 per share BOH New York Stock Exchange Depository Shares, Each Representing 1/40 th Interest in a Share of 4.375% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A BOH.PRA New York Stock Exchange Depository Shares, Each Representing 1/40 th Interest in a Share of 8.000% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series B BOH.PRB New York Stock Exchange 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)) 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 2.02. Results of Operations and Financial Condition. On July 28, 2025, Bank of Hawaii Corporation announced its results of operations for the quarter ended June 30, 2025. The public announcement was made by means of a press release, the text of which is furnished as Exhibit 99.1 hereto and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit No. 99.1 July 27, 2025 Press Release: Bank of Hawaii Corporation Second Quarter 2025 Financial Results. Any internet addresses provided in this release are for informational purposes only and are not intended to be hyperlinks. Furnished herewith. 99.2 Bank of Hawaii Corporation Second Quarter 2025 Financial Report 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 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. Date: July 28, 2025 Bank of Hawaii Corporation By: /s/ Patrick M. McGuirk Patrick M. McGuirk Vice Chair and Chief Administrative Officer