UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Exchange Act of 1934

Date of Report (Date of earliest event reported) September 5, 2017

SIMMONS FIRST NATIONAL CORPORATION

(Exact name of registrant as specified in its charter)

Arkansas | 0-6253 | 71-0407808
(State or other jurisdiction of incorporation) | (Commission File Number) | (I.R.S. Employer Identification No.)
501 Main Street, Pine Bluff, Arkansas |  | 71601
(Address of principal executive offices) |  | (Zip Code)

(870) 541-1000

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[X] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company [ ]

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. [ ]

Item 8.01 Other Events.

Executive Officers of Simmons First National Corporation will be meeting with selected private investors September 6 - 7, 2017. The presentation material to be used in discussions with Analysts and Investors is attached as Exhibit 99.1 to this Current Report and is incorporated herein by reference

Item 9.01 Financial Statements and Exhibits

Exhibit 99.1. Simmons First National Corporation Investor Presentation

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| SIMMONS FIRST NATIONAL CORPORATION
| /s/ Robert A. Fehlman
Date: September 5, 2017 | Robert A. Fehlman, Senior Executive Vice President,
| Chief Financial Officer and Treasurer