Company: WBS-PG
Filing Date: 2025-09-05
Form Type: 424B5
Source: 0001193125-25-197211
Chunk: 114

Company: WEBSTER FINANCIAL CORP
Filing Date: 2025-09-05
Form: 424B5
Chunk 114
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. Webster and the depositary may rely on the advice of legal
counsel or accountants of their choice. They may also rely on information provided by persons they believe, in good faith, to be competent, and on documents they believe, in good faith, to be genuine.

The applicable prospectus supplement will identify the depositary’s corporate trust office. Unless the prospectus supplement indicates otherwise, the
depositary will act as transfer agent and registrar for depositary receipts, and if we redeem shares of preferred stock, the depositary will act as redemption agent for the corresponding depositary receipts.

Title

Webster, each depositary and any agent of
Webster or the applicable depositary may treat the registered owner of any depositary share as the absolute owner of the depositary shares for all purposes, including making payment, regardless of whether any payment in respect of the depositary
share is overdue and regardless of any notice to the contrary.

33

DESCRIPTION OF WARRANTS General We may issue warrants to purchase our debt securities, common stock or preferred stock or units of two or more of these types of securities, which are collectively referred to in this prospectus as “ underlying warrant securities”. We may issue warrants independently or together with any underlying warrant securities and such warrants may be attached to or separate from those underlying warrant securities. We will issue the warrants under warrant agreements to be entered into between us and a bank or trust company, as warrant agent, as more fully described in the applicable prospectus supplement. The warrant agent will act solely as our agent in connection with the warrants of the series being offered and will not assume any obligation or relationship of agency or trust for or with any holders or beneficial owners of warrants. As of December 14, 2023, no warrants to purchase shares of our common stock were issued and outstanding. The applicable prospectus supplement will contain a description of the following terms:

| • |     | the title of the warrants; |

| • |     | the designation, amount and terms of the underlying warrant securities for which the warrants are exercisable; |

| • |     | the designation and terms of the underlying warrant securities, if any, with which the warrants are to be issued 
 and the number of warrants issued with each underlying warrant security;                                         |

| • |     | the price or prices at which the warrants will be issued; |

| • |     | the aggregate number of warrants; |

| • |     | any provisions for adjustment of the number or amount of securities receivable upon exercise of