Company: WTFCN
Filing Date: 2025-05-09
Form Type: 424B5
Source: 0001104659-25-046769
Chunk: 112

Company: WINTRUST FINANCIAL CORP
Filing Date: 2025-05-09
Form: 424B5
Chunk 112
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.” We intend to apply to NASDAQ to list any additional series E depositary shares offered hereby.

#### Depositary Shares
We may elect to issue fractional shares of preferred stock rather than full shares of preferred stock. If so, we will issue “depositary receipts” for these “depositary shares.” Each depositary share will represent a fraction of a share of a particular series of preferred stock. If we issue depositary shares pursuant to these projections in the future, the applicable prospectus supplement will describe the terms of the depository shares and the underlying preferred stock to which the depositary shares relate.

The description in the prospectus supplement will not necessarily be complete, and reference will be made to the deposit agreement relating to the depositary shares which will be filed with the SEC.

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TABLE OF CONTENTS

#### Exchange Agent and Registrar
American Stock Transfer & Trust Company, LLC is the exchange agent and registrar for our common stock. Unless the applicable prospectus supplement specifies otherwise, the exchange agent and registrar for each series of preferred stock will be American Stock Transfer & Trust Company, LLC.

Certain Provisions of Our Articles of Incorporation, Our By-Laws, Illinois Law and Certain Applicable Banking Regulations That May Have an Anti-Takeover Effect

Certain provisions of our articles of incorporation, our by-laws, Illinois law and certain applicable banking regulations may have the effect of impeding the acquisition of control of the Company by means of a tender offer, a proxy fight, open-market purchases or otherwise in a transaction not approved by our board of directors.

These provisions may have the effect of discouraging a future takeover attempt that is not approved by our board of directors but which our individual shareholders may deem to be in their best interests or in which our shareholders may receive a substantial premium for their shares over then-current market prices. As a result, shareholders who might desire to participate in such a transaction may not have an opportunity to do so. Such provisions will also render the removal of our current board of directors or management more difficult.

These provisions of our articles of incorporation and our by-laws include the following:

•

our board of directors may issue additional authorized shares of our capital stock to deter future attempts to gain control of the Company, including the authority to determine the terms of any one or more series of preferred stock, such as voting rights, conversion rates and liquidation preferences. As a result of the ability to fix voting rights for a series of preferred stock, our board has the power, to the extent