Company: AIZ
Filing Date: 2025-08-15
Form Type: 424B5
Source: 0001193125-25-181851
Chunk: 27

Company: ASSURANT, INC.
Filing Date: 2025-08-15
Form: 424B5
Chunk 27
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writer                    |     | Principal       
 Amount of Notes |             |
|:-------------------------------|:----|:----------------|------------:|
| Barclays Capital Inc.          |     | $               |  90,000,000 |
| Goldman Sachs & Co. LLC        |     |                 |  90,000,000 |
| J.P. Morgan Securities LLC     |     |                 |  18,000,000 |
| KeyBanc Capital Markets Inc.   |     |                 |  18,000,000 |
| U.S. Bancorp Investments, Inc. |     |                 |  18,000,000 |
| Wells Fargo Securities, LLC    |     |                 |  18,000,000 |
| BBVA Securities Inc.           |     |                 |  12,000,000 |
| Citigroup Global Markets Inc.  |     |                 |  12,000,000 |
| Lloyds Securities Inc.         |     |                 |  12,000,000 |
| Morgan Stanley & Co. LLC       |     |                 |  12,000,000 |
| Total                          |     | $               | 300,000,000 |

The underwriters have agreed to purchase all of the Notes sold pursuant to the underwriting agreement if any of these Notes are purchased. If an underwriter defaults, the underwriting agreement provides that the purchase commitments of the non-defaultingunderwriters may be increased or the underwriting agreement may be terminated. We have agreed to indemnify the several underwriters against certain liabilities, including liabilities under the Securities Act, or to contribute to payments the underwriters may be required to make in respect of those liabilities. The underwriters are offering the Notes, subject to prior sale, when, as and if issued to and accepted by them, subject to approval of legal matters by their counsel, including the validity of the Notes, and other conditions contained in the underwriting agreement, such as the receipt by the underwriters of officer’s certificates and legal opinions. The underwriters reserve the right to withdraw, cancel or modify offers to the public and to reject orders in whole or in part. Commissions and Discounts The underwriters have advised us that they propose initially to offer the Notes to the public at the public offering price on the cover page of this prospectus supplement, and may offer the Notes to dealers at that price less a concession not in excess of 0.390% of the principal amount of the Notes