FORM10-Q (Mark One)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 WESBANCO, INC. (Exact name of Registrant as specified in its charter) 55-0571723(IRS Employer Identification No.)26003(Zip Code) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company,or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ As of May 1, 2025, there were95,672,204shares of Wesbanco, Inc. common stock, $2.0833 par value, outstanding. 1Financial Statements 2Consolidated Balance Sheets at March 31, 2025 (unaudited) and December 31, 20242Consolidated Statements of Income for the three months ended March 31, 2025 and 2024 (unaudited)3Consolidated Statements of Comprehensive Income for the three months ended March 31, 2025 and 2024 (unaudited)4Consolidated Statements of Changes in Shareholders' Equity for the three months ended March 31, 2025 and 2024 (unaudited)5Consolidated Condensed Statements of Cash Flows for the three months ended March 31, 2025 and 2024 (unaudited)6Notes to Consolidated Financial Statements (unaudited)7 2Management’s Discussion and Analysis of Financial Condition and Results of Operations 3Quantitative and Qualitative Disclosures About Market Risk58 1Legal Proceedings61 2Unregistered Sales of Equity Securities and Use of Proceeds61 5Other Information61 NOTES TO CONSOLIDATEDFINANCIAL STATEMENTS NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of presentation —The accompanying unaudited interim financial statements of Wesbanco, Inc. and its consolidated subsidiaries(“Wesbanco” or the "Company") have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interimfinancial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information Wesbanco’s interim financial statements have been prepared following the significant accounting policies disclosed in Note 1 of the Notes tothe Consolidated Financial Statements of its 2024Annual Report on Form 10-K filed with the Securities and Exchange Commission ("SEC"), aswell as with the policy changes indicated below.In the opinion of management, the accompanying interim financial information reflects alladjustments, including normal recurring adjustments, necessary to present fairly Wesbanco’s financial position and results of operations for each Recent accounting pronouncements—The Financial Accounting Standards Board (“FASB”) issued Accounting Standards Updates (“ASU”) as noted below. ASU 2025-01 & 2024-03– Income Statement — Reporting Comprehensive Income –Expense Disaggregation Disclosures (Subtopic220-40) In November 2024, the FASB issued ASU 2024-03, “Income Statement—Reporting Comprehensive Income—Expense DisaggregationDisclosures.” The amendments in this Update improve financial reporting by requiring that public business entities disclose additionalinformation about specific expense categories in the notes to financial statements at interim and annual reporting periods. This information isgenerally not presented in the financial statements today. For Wesbanco, the amendments in this Update are effective for annual reporting periods In January 2025, the FASB issued ASU 2025-01, “Income Statement — Reporting Comprehensive Income – Expense DisaggregationDisclosures (Subtopic 220-40).” The amendment in this Update amends the effective date of ASU 2024-03 to clarify that all public businessentities are required to adopt the guidance in annual reporting periods beginning after December 15, 2026, and interim periods within annual ASU 2024-04 – Debt—Debt with Conversion and Other Options (Subtopic 470-20) In November 2024, the FASB issued ASU 2024-04, “Debt – Debt with Conversion and Other Options (Subtopic 470-20).” The amendmentsin this Update clarify the requirements for determining whether certain sett