UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): May 16, 2013

REGIONS FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

1900 FIFTH AVENUE NORTH

BIRMINGHAM, ALABAMA 35203

(Address, including zip code, of principal executive office)

Registrant’s telephone number, including area code: (800) 734-4667

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:

(e) At the annual meeting of stockholders of Regions Financial Corporation (“Regions”) on May 16, 2013, the stockholders approved the Regions Financial Corporation Executive Incentive Plan (the “Plan”). The Plan is an annual incentive compensation plan pursuant to which Regions executive officers and other key personnel may be paid annual incentive compensation, based on achievement of predetermined performance goals. Incentive awards to certain key individuals under the Plan are intended to be considered “performance-based compensation” within the meaning of Section 162(m) of the Internal Revenue Code.

The above description of the Plan does not purport to be complete and is qualified in its entirety by reference to the Plan document included as Appendix A to Regions’ Proxy Statement dated and filed with the Securities and Exchange Commission on March 26, 2013 and which Appendix A is incorporated herein by reference.

At Regions’ annual meeting of stockholders held on May 16, 2013, the stockholders reelected Regions’ 14 incumbent Directors standing for election, approved executive compensation, approved an executive incentive plan, ratified the selection of Ernst & Young LLP as Regions’ independent registered public accounting firm for the 2013 fiscal year, and rejected a stockholder proposal regarding posting a report, updated semi-annually, of political contributions.

The following is a summary of the voting proposals for each matter presented to our stockholders:

1. An election of 14 Directors was held and the shares were voted as follows for the election of each of the following:

2. Nonbinding stockholder approval of executive compensation was submitted to the stockholders at the meeting. The full text of the proposal is included in the Proxy Statement dated March 26, 2013. The vote with respect to this proposal was:

3. Approval of the Regions Financial Corporation Executive Incentive Plan was submitted to the stockholders at the meeting. The full text of the proposal is included in the Proxy Statement dated March 26, 2013. The vote with respect to this proposal was:

4. Regions proposal to ratify the appointment of Ernst & Young LLP as independent auditors of the Company to serve for the 2013 fiscal year was submitted to the stockholders at the meeting. The full text of the proposal is included in the Proxy Statement dated March 26, 2013. The vote with respect to this proposal was:

5. A stockholder proposal regarding posting a report, updated semi-annually, of political contributions was submitted to the stockholders at the meeting. The full text of the proposal is included in the Proxy Statement dated March 26, 2013. The vote with respect to this proposal was:

SIGNATURES

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.

Date: May 21, 2013