Company: SFNC
Filing Date: 2025-09-09
Form Type: 8-K
Source: 0001193125-25-199266
Chunk: 1

Company: SIMMONS FIRST NATIONAL CORP
Filing Date: 2025-09-09
Form: 8-K
Item: Item 1.01
Chunk 1
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 of the Notes upon the occurrence of certain specified events at the redemption prices provided therein, plus accrued and unpaid interest on the Notes to, but excluding, the date of redemption.

The net proceeds to the Company from the Offering are expected to be approximately $321.3 million after deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company. The Company intends to use the proceeds from the Offering, along with cash on hand, to repay in full the Company’s outstanding $330 million principal amount of the 5.00% Fixed-to-FloatingRate Subordinated Notes due 2028 (the “2028 Notes”), and for general corporate purposes.

The Offering was made pursuant to the Company’s Registration Statement on Form S-3ASR(FileNo. 333-279502), which was previously filed with the Securities and Exchange Commission and automatically effective as of May 17, 2024, as supplemented by a prospectus supplement, dated September 9, 2025.