Company: FCNCB
Filing Date: 2025-11-14
Form Type: 424B5
Source: 0001193125-25-283229
Chunk: 14

Company: FIRST CITIZENS BANCSHARES INC /DE/
Filing Date: 2025-11-14
Form: 424B5
Chunk 14
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, and may issue in the future that is expressly stated to be on parity with                                                         
 the Series D Preferred Stock with respect to such dividends and distributions. The Series D Preferred Stock will rank junior to any class or series of our capital stock we may issue in the future that is expressly stated to be senior to the Series D 
 Preferred Stock with respect to such dividends and distributions, if the issuance is approved by the holders of at least two-thirds of the outstanding shares of Series D Preferred Stock.                                                                |

| Preemptive Rights | None. |

| Listing | None. |

| Use of Proceeds | We expect to receive net proceeds from this offering of approximately $493 million, after the deduction of the underwriting discount and estimated expenses payable by us. We intend to use the net proceeds of the offering for general corporate 
 purposes. See “Use of Proceeds.”                                                                                                                                                                                                                   |

| Certain U.S. Federal Income Tax Considerations | For a discussion of certain U.S. federal income tax consequences of purchasing, owning, and disposing of the depositary shares, see “Certain U.S. Federal Income Tax Considerations.” |

| Risk Factors | See “Risk Factors” beginning on page S-8 of this prospectus supplement and the other information included or incorporated by reference in this prospectus supplement and the accompanying 
 prospectus for a discussion of factors you should consider carefully before deciding to invest in the depositary shares.                                                                  |

| Registrar and Depositary | Broadridge Corporate Issuer Solutions, LLC |

| Conflicts of Interest | First Citizens Capital Securities, LLC, our subsidiary, is participating in this offering as an underwriter. Accordingly, this offering is                                                                                                       
 being conducted in compliance with the provisions of FINRA Rule 5121. In accordance with that rule, First Citizens Capital Securities, LLC is not permitted to sell the depositary shares in this offering to an account over which it exercises 
 discretionary authority without the prior specific written approval of the customer to which the account relates. See “Underwriting (Conflicts of Interest)—Conflicts of Interest.”                                                              |

S-6

RISK FACTORS

An investment in our depositary shares involves certain risks. You should carefully consider the risks described below and the risk factors included in our Annual Report on Form 10-Kfor the year ended December 31, 2024, as updated by our Quarterly Reports on Form 10-Qfor subsequent periods, as well as the other information included or incorporated by reference in this prospectus supplement and the accompanying prospectus, before making