First Citizens BancShares, Inc.

Item 8.01. Other Events. On March 3, 2026, First Citizens BancShares, Inc. (the “Company”) issued and sold $500,000,000 aggregate principal amount of its 4.869% Fixed-to-Floating Rate Senior Notes due 2032 (the “Notes”) in a public offering pursuant to a registration statement on Form S-3 (File No. 333-281553) (the “Registration Statement”) filed with the Securities and Exchange Commission (the “Commission”) on August 14, 2024, as supplemented by a prospectus supplement dated February 25, 2026 (the “Prospectus Supplement”) and filed with the Commission on February 26, 2026. The Notes were sold pursuant to an underwriting agreement dated as of February 25, 2026 (the “Underwriting Agreement”), by and among the Company, J.P. Morgan Securities LLC, BofA Securities, Inc., and Wells Fargo Securities, LLC, as representatives of the several underwriters listed in Schedule II thereto. The Notes were issued pursuant to a senior base indenture, dated as of March 12, 2025 (the “Base Indenture”), between the Company and U.S. Bank Trust Company, National Association (the “Trustee”), as amended and supplemented by a second supplemental indenture, dated as of March 3, 2026, between the Company and the Trustee (the “Second Supplemental Indenture”). The foregoing descriptions of the Underwriting Agreement, the Base Indenture, the Second Supplemental Indenture, and the Notes do not purport to be complete and are qualified in their entirety by reference to Exhibit 1.1, Exhibit 4.1, Exhibit 4.2, and Exhibit 4.3, respectively. This Current Report on Form 8-K (this “Report”) is being filed, in part, for the purpose of filing the documents attached as exhibits hereto as exhibits to the Registration Statement in connection with the issuance of the Notes, and such exhibits are hereby incorporated by reference into the Registration Statement.