Company: WSBC
Filing Date: 2025-09-17
Form Type: 8-A12B
Source: 0001193125-25-206286
Chunk: 0

Company: WESBANCO INC
Filing Date: 2025-09-17
Form: 8-A12B
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 WESBANCO, INC. (Exact name of registrant as specified in its charter)

| West Virginia                            |     |                          55-0571723 |
| (State of Incorporation or Organization) |     | -I.R.S. Employer Identification No. |
| 1 Bank Plaza                             
 Wheeling, West Virginia                  |     |                               26003 |
| (Address of Principal Executive Offices) |     |                           -Zip Code |

Securities to be registered pursuant to Section 12(b) of the Act:

| Title of Each Class                                                                                                                          
 to be so Registered                                                                                                                          |     | Name of Each Exchange on Which 
 Each Class is to be Registered |
| Depositary Shares each representing 1/40th interest in a share of 7.375% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B |     | The Nasdaq Stock Market LLC    |

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box.☒ If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box.☐ If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐ Securities Act registration statement file number to which this Form relates: 333-270051 Film #: Securities to be registered pursuant to Section 12(g) of the Act: None.

INFORMATION REQUIRED IN REGISTRATION STATEMENT Item 1. Description of Securities to Be Registered. The securities registered hereby are the depositary shares (the “Depositary Shares”), each representing 1/40 thinterest in a share of 7.375% Fixed-Rate Reset Non-Cumulative PerpetualPreferred Stock, Series B, no par value per share and $1,000 liquidation preference per share (equivalent to $25 liquidation preference per depositary share) (the “Series B Preferred Stock”), of Wesbanco,