UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 24, 2018

EQUITY BANCSHARES, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: 316.612.6000

Former name or former address, if changed since last report: Not Applicable

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:

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

☒  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

On September 24, 2018, Equity Bancshares, Inc. (the “Company”) announced that Equity Bank (“Equity Bank”), a wholly owned subsidiary of the Company, entered into a Branch Purchase and Assumption Agreement, dated September 21, 2018, between Equity Bank and MidFirst Bank (“MidFirst”), a federal savings association and subsidiary of Midland Financial Co., pursuant to which Equity Bank agreed to acquire certain assets and assume certain deposits and other liabilities associated with two branch locations in Guymon, Oklahoma and one branch location in Cordell, Oklahoma. The press release announcing the transaction is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

As provided in General Instruction B.2 to Form 8-K, the information set forth in this Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and such information shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

SIGNATURES

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