Company: AFGC
Filing Date: 2025-09-17
Form Type: 424B5
Source: 0001140361-25-035246
Chunk: 42

Company: AMERICAN FINANCIAL GROUP INC
Filing Date: 2025-09-17
Form: 424B5
Chunk 42
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 with SEC rules, including pursuant to Item 2.02 or Item 7.01 on Form 8-K, and no such information shall be deemed specifically incorporated by reference herein or in any accompanying prospectus supplement). The most recent information that we file with the SEC automatically updates and supersedes older information. The information contained in any such filing will be deemed to be a part of this prospectus, commencing on the date on which the document is filed. Nothing in this prospectus shall be deemed to incorporate by reference information furnished to, but not filed with, the SEC. You may request a copy of these filings, at no cost, by writing or calling us at the following address or telephone number: Joseph C. Alter, Vice President, Deputy General Counsel & Secretary, American Financial Group, Inc., Great American Insurance Group Tower, 301 East Fourth Street, 27th Floor, Cincinnati, Ohio 45202, (513) 362-0158. Exhibits to the filings will not be sent, however, unless those exhibits have specifically been incorporated by reference in this prospectus.

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#### TABLE OF CONTENTS

### RISK FACTORS
Investing in our securities involves risk. Before you make a decision to buy our securities, in addition to the risks and uncertainties discussed below under “Special Note Regarding Forward-Looking Statements,” you should carefully consider the specific risks set forth under the caption “Risk Factors” in Part I, Item 1A in our Annual Report on Form 10-K for our most recent fiscal year, as may be updated by our quarterly reports on Form 10-Q and other filings we make with the SEC, as incorporated by reference in this prospectus. Additional risk factors may be included in a prospectus supplement relating to a particular series or offering of securities. Before making an investment decision, you should carefully consider these risks as well as other information we include or incorporate by reference in this prospectus. The risks and uncertainties we have described are not the only ones we face. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may also affect us. These risks could materially affect our business, results of operations or financial condition and cause the value of our securities to decline or could result in a complete loss of your investment.

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#### TABLE OF CONTENTS

### SPECIAL NOTE REGARDING FORWARD LOOKING STATEMENTS
This prospectus (including the information incorporated by reference) contains forward-looking statements within the meaning of the federal