Company: FRME
Filing Date: 2025-10-10
Form Type: S-4
Source: 0001193125-25-237211
Chunk: 4

Company: FIRST MERCHANTS CORP
Filing Date: 2025-10-10
Form: S-4
Chunk 4
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 are as follows: [●], [●] p.m., local time First Savings Bank Center – Community Room 702 North Shore Drive Jeffersonville, Indiana 47130 This proxy statement and prospectus provides you with detailed information about the special meeting and the proposed Merger. It also contains or references information about First Savings and First Merchants. You can also get information about First Merchants from publicly available documents that have been filed with the Securities and Exchange Commission. We strongly support the Merger of our companies. The Board of Directors of First Savings unanimously recommends that you vote “ FOR ” the Merger Agreement.

| /s/ Mark K. Hardwick        |     | /s/ Larry W. Myers                    |
| Chief Executive Officer     |     | President and Chief Executive Officer |
| FIRST MERCHANTS CORPORATION |     | FIRST SAVINGS FINANCIAL GROUP, INC.   |

For a discussion of certain risk factors which you should consider in evaluating the Merger, see “ Risk Factors” beginning on page 23. We encourage you to read this entire document carefully. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of the securities to be issued pursuant to this proxy statement and prospectus or determined if this proxy statement and prospectus is truthful or complete. Any representation to the contrary is a criminal offense. These securities are not savings or deposit accounts or other obligation of any bank or non-banksubsidiary of either of our companies, and they are not insured by the Federal Deposit Insurance Corporation or any other federal or state governmental agency. Proxy statement and prospectus dated [● ], and first mailed to First Savings shareholders on or about [● ].

ADDITIONAL INFORMATION

This document incorporates important business and financial information about First Merchants from other documents filed by First Merchants
with the Securities and Exchange Commission (“SEC”) that are not delivered with or included in this document. This information (including the documents incorporated herein by reference) is available to you without charge upon your
written or oral request. You may request these documents in writing or by telephone at the following addresses and telephone numbers:

First
Merchants Corporation

200 East Jackson Street

Muncie, Indiana 47305

Attention:
Brian T. Hunt, Secretary

Telephone: (765) 747-1500

This document also incorporates important business and financial information about First Savings from other documents filed by First Savings
with the SEC that are not delivered with or included in this document. This information (including the documents