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): April 24, 2018

First Horizon National Corporation

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code - (901) 523-4444

(Former name or former address, if changed from 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:

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 o

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. o

Amendment of Restated Charter. As mentioned in Item 5.07 of this Report, at Vote Item 2, on April 24, 2018, First Horizon’s shareholders approved several technical amendments to First Horizon’s Restated Charter. The amendments were effective on April 24, 2018, when Articles of Amendment to the Restated Charter of First Horizon National Corporation was filed with the office of the Secretary of State of Tennessee. A conformed copy of the Articles of Amendment document is filed as an exhibit to this Report.

The amendments modernized and updated the Restated Charter in conformity with Tennessee corporate law and modern corporate practice. Specifically: Article 5 was replaced with much shorter language; Articles 7 and 8 were deleted; a statutory cross-reference in Article 10 was updated and modernized; Article 11 was replaced with much shorter language; and a statutory cross-reference in Article 14 was updated and modernized. A more detailed description of each amendment is provided in First Horizon’s 2018 Proxy Statement under “Vote Item No. 2—Vote on Technical Amendments to Modernize Our Restated Charter” appearing on pages 36 and 37, which descriptions are incorporated into this Item by reference. The text of the new and old language of the amended Articles (or portions of Articles), and the old text of the deleted Articles, is provided in Appendix B of First Horizon’s 2018 Proxy Statement, which Appendix also is incorporated into this Item by reference.

(a) & (b)   Voting Results for 2018 Annual Meeting

On April 24, 2018, First Horizon held its annual meeting of shareholders. At the annual meeting, four vote items were acted upon by the shareholders. The number of votes cast for or against as to each such matter or nominee, and the number of abstentions and broker non-votes as to each such matter or nominee, have been certified and are set forth in the tables below. All vote data is shown rounded to the nearest whole share.

Vote Item 1: Election of Directors

Outcome: All nominees were elected

Vote Item 2: Approve Technical Updates to Corporate Charter

Outcome: Approved

Vote Item 3: Advisory Resolution to Approve Executive Compensation

Outcome: Not Approved

Vote Item 4: Ratification of Appointment of Auditors

Outcome: Ratified

(c) & (d)   Not applicable.

Statement by First Horizon Board Regarding Vote Item 3. The First Horizon Board of Directors values the views of shareholders. Members of the Compensation Committee of the Board have begun to, and intend to continue to, engage with key shareholders in 2018 to solicit constructive suggestions and to consider appropriate input going forward.

(d)  Exhibits

The following exhibit is filed herewith:

All summaries and descriptions of documents, and of amendments thereto, set forth above are qualified in their entirety by the documents themselves, whether filed as an exhibit hereto or filed as an exhibit to a later report.

*  *  *  *  *

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.