Company: SFNC
Filing Date: 2025-07-23
Form Type: 424B5
Source: 0001193125-25-162761
Chunk: 23

Company: SIMMONS FIRST NATIONAL CORP
Filing Date: 2025-07-23
Form: 424B5
Chunk 23
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 securities or industry analysts publish about us or
our business. If one or more of the analysts who covers us downgrades our

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stock or publishes inaccurate or unfavorable research about our business, or our operating results do not meet their expectations, either absolutely or relative to our competitors, the market
price of our common stock would likely decline. If one or more of these analysts cease coverage of us or fail to publish reports on us regularly, we could lose visibility in the financial markets, which in turn could cause the market price of our
common stock or trading volume to decline. If we fail to meet the expectations of analysts for our operating results, the market price of our common stock would likely decline. If one or more of these analysts ceases coverage of us or fails to
publish reports on us regularly, demand for our stock could decrease, which could cause the market price of our common stock and trading volume to decline.

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USE OF PROCEEDS

We estimate that the net proceeds to us from this offering will be approximately $284,066,500, or approximately $326,826,475 if the
underwriters exercise in full their option to purchase additional shares, in each case, after deducting underwriting discounts and commissions and the estimated offering expenses payable by us. These estimates assume that all shares are subject to a
5% underwriting discount. However, the underwriters have agreed to accept a reduced underwriting discount of 3% for shares sold pursuant to the directed share program. As a result, our actual net proceeds may be higher than these amounts.

We expect to use the net proceeds from this offering for general corporate purposes, which may include investments in Simmons Bank to support
a contemplated balance sheet repositioning and continued growth.

To the extent this offering closes during the third quarter of 2025, and
to the extent market conditions are acceptable to us, we expect to use a portion of the net proceeds from this offering to implement the contemplated repositioning of our securities portfolio as described in further detail under the heading
“Summary — Recent Developments — Contemplated Balance Sheet Repositioning”. We expect to conduct the contemplated repositioning on terms that are satisfactory to us and if market conditions warrant. If this offering is not
completed during the third quarter of 2025, our management will evaluate whether to proceed with the repositioning, if at all, and the potential timing thereof.

Our board of directors and management will have broad discretion in the application of the