Company: FCNCB
Filing Date: 2025-03-06
Form Type: 424B5
Source: 0001193125-25-047965
Chunk: 7

Company: FIRST CITIZENS BANCSHARES INC /DE/
Filing Date: 2025-03-06
Form: 424B5
Chunk 7
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 events that occur after the date the forward-looking statements were made or to reflect the occurrence of unanticipated events except as required by applicable federal securities laws. As forward-looking statements involve
significant risks and uncertainties, caution should be exercised against placing undue reliance on such statements. You are encouraged to carefully review and consider the various disclosures made in this prospectus supplement, in the accompanying
prospectus and in BancShares’ other reports filed with the SEC for more information about the risks and factors that may affect our business, results of operations, financial condition or prospects.

S-iv

PROSPECTUS SUPPLEMENT SUMMARY

This summary highlights selected information contained or incorporated by reference in this prospectus supplement and the accompanying prospectus and does not contain all the information that you need to consider in making your investment decision. You should carefully read this entire prospectus supplement, the accompanying prospectus, any related free writing prospectus and the documents incorporated herein and therein by reference, before deciding whether to invest in the notes. You should pay special attention to the “Risk Factors” section of this prospectus supplement and the risk factors contained in our Annual Report on Form 10-Kfor the year ended December 31, 2024 to determine whether an investment in the notes is appropriate for you.

First Citizens BancShares, Inc.

First Citizens BancShares, Inc. is a financial holding company for Raleigh, North Carolina-headquartered First-Citizens Bank & Trust
Company. First Citizens Bank opened in 1898 as the Bank of Smithfield in Smithfield, North Carolina, and later changed its name to First-Citizens Bank & Trust Company. We have expanded throughde novo branching and
acquisitions and now operate a network of more than 500 branches and offices in 29 states, predominantly located in the Southeast, Mid-Atlantic, Midwest, and Western United States, providing a broad range of
financial services to individuals, businesses and professionals. At December 31, 2024, the Company had total consolidated assets of $223.72 billion.

We provide financial services for a wide range of consumer and commercial clients. This includes retail and mortgage banking, wealth
management, small and middle market banking, factoring and leasing. We provide commercial factoring, receivables management and secured financing services to businesses (generally manufacturers or importers of goods) that operate in various
industries, including apparel, textile, furniture, home furnishings and consumer electronics. We also provide deposit, cash management and lending to homeowner associations and property management companies