Company: WSBC
Filing Date: 2025-03-28
Form Type: 8-K/A
Source: 0001193125-25-067140
Chunk: 0

Company: WESBANCO INC
Filing Date: 2025-03-28
Form: 8-K/A
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2025 Wesbanco, Inc. (Exact name of Registrant as Specified in Its Charter)

| West Virginia                                 |     | 001-39442              |     | 55-0571723                      |
| (State or Other Jurisdictionof Incorporation) |     | -CommissionFile Number |     | -IRS EmployerIdentification No. |

| 1 Bank Plaza,Wheeling, WV                |     |     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-Kfiling is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

| ☐ | 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  |     | 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 6.75% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series A) |     | WSBCP   |     | NASDAQ Global Select Market |

Indicate by check mark whether the registrant is an