Company: AIZ
Filing Date: 2025-08-15
Form Type: 424B5
Source: 0001193125-25-181851
Chunk: 7

Company: ASSURANT, INC.
Filing Date: 2025-08-15
Form: 424B5
Chunk 7
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 $1,000 in excess thereof.                                                                                                                                                                          |

S-4

FORWARD-LOOKING STATEMENTS Some of the statements included in this prospectus supplement, the accompanying prospectus and the documents incorporated by reference in this prospectus supplement and the accompanying prospectus, including our business and financial plans and any statements regarding our anticipated future financial performance, business prospects, growth and operating strategies and similar matters, may constitute forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. You can identify these statements by the use of words such as “outlook,” “objective,” “will,” “may,” “can,” “anticipates,” “expects,” “estimates,” “projects,” “intends,” “plans,” “believes,” “targets,” “forecasts,” “potential,” “approximately,” and the negative version of those words and other words and terms with a similar meaning. Any forward-looking statements contained in this prospectus supplement, the accompanying prospectus and the documents incorporated by reference in this prospectus supplement and the accompanying prospectus are based upon our historical performance and on current plans, estimates and expectations. The inclusion of this forward-looking information should not be regarded as a representation by us or any other person that our future plans, estimates or expectations will be achieved. Our actual results might differ materially from those projected in this prospectus supplement and the accompanying prospectus and the documents incorporated by reference in this prospectus supplement. We believe that these factors include those described in the section entitled “Risk Factors” in this prospectus supplement and under the sections entitled “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-Kfor the year ended December 31, 2024. These factors should not be construed as exhaustive and should be read in conjunction with the other cautionary statements that are included in this prospectus supplement and the accompanying prospectus and the documents incorporated by reference in this prospectus supplement. We undertake no obligation to update or review any forward-looking statement in this prospectus supplement or the accompanying prospectus or in the documents incorporated by reference in this prospectus supplement, whether as a result of new information, future events or other developments. The following factors could cause our actual results to differ materially from those currently estimated by management, including those projected in the company outlook:

| • |     | the impact of general economic, financial market and political conditions and conditions in the markets in which                          
 we operate, including