Company: WTFCN
Filing Date: 2025-05-09
Form Type: 424B5
Source: 0001104659-25-046769
Chunk: 44

Company: WINTRUST FINANCIAL CORP
Filing Date: 2025-05-09
Form: 424B5
Chunk 44
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 resulting entity or its ultimate parent, in each case, that is an entity organized and existing under the laws of the United States of America, any state thereof or the District of Columbia, and (ii) such shares of Preferred Stock remaining outstanding or such preference securities, as the case may be, have such rights, preferences, privileges and voting powers, taken as a whole, as are not materially less favorable to the holders thereof than the rights, preferences, privileges and voting powers of the Preferred Stock, taken as a whole.

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TABLE OF CONTENTS

If any amendment, alteration, repeal, share exchange, reclassification, merger or consolidation described above would materially and adversely affect one or more but not all series of voting preferred stock (including the Preferred Stock for this purpose), then only the series of voting preferred stock materially and adversely affected and entitled to vote will vote as a class in lieu of all other series of voting preferred stock.

Without the consent of the holders of the Preferred Stock, so long as such action does not adversely affect the special rights, preferences, privileges and voting powers of the Preferred Stock, taken as a whole, and to the extent permitted by law, we may amend, alter, supplement, or repeal any terms of our Articles of Incorporation or the Certificate of Designations for the shares of Preferred Stock for the following purposes:

•

to cure any ambiguity, or to cure, correct, or supplement any provision that may be ambiguous, defective, or inconsistent; or

•

to make any provision with respect to matters or questions relating to the Preferred Stock that is not inconsistent with the provisions of the Certificate of Designations for the Preferred Stock.

The foregoing voting provisions will not apply if, at or prior to the time when the act with respect to which such vote would otherwise be required will be effected, all outstanding shares of Preferred Stock will have been redeemed.

See “Description of Depositary Shares — Voting the Preferred Stock” for information about voting of the depositary shares representing the Preferred Stock.

#### Other Preferred Stock
Our Articles of Incorporation authorizes our Board to create and provide for the issuance of one or more series of preferred stock, no par value, without the approval of our stockholders. Our Board can also determine the terms, including the designations, powers, preferences and rights (including conversion, voting and other rights) and the qualifications, limitations or restrictions, of any preferred stock. As of the date of this prospectus supplement, 20,000,000 shares of