Company Update

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 20, 2026     WESBANCO, INC. (Exact name of Registrant as Specified in Its Charter)     West Virginia 001-39442 55-0571723 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)           1 Bank Plaza   Wheeling , West Virginia   26003 (Address of Principal Executive Offices)   (Zip Code)   Registrant’s Telephone Number, Including Area Code: 304 234-9000     Former Name or Former Address, if Changed Since Last Report: Not Applicable   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 $2.0833 Par Value   WSBC   Nasdaq Global Select Market Depositary Shares (each representing 1/40th interest in a share of 7.375% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B)   WSBCO   Nasdaq Global Select Market 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 8.01 Other Events.   Wesbanco, Inc. (“Wesbanco”) issued a press release today announcing that its Board of Directors approved a new stock repurchase program and authorized the repurchase of up to an additional 4.0 million shares of Wesbanco common stock. The press release announcing the new stock repurchase program is attached as Exhibit 99.1 to this report and is incorporated by reference herein. Item 9.01 Financial Statements and Exhibits. (d) Exhibits: 99.1 - Wesbanco, Inc. press release announcing the authorization of a new stock repurchase program dated May 20, 2026.   104 – Cover Page Interactive Data File (embedded within the Inline XBRL document). SIGNATURE 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 thereunto duly authorized.       Wesbanco, Inc. (registrant)         Date: May 20, 2026   /s/ Daniel K. Weiss, Jr.       Daniel K. Weiss, Jr. Senior Executive Vice President and Chief Financial Officer