Company Update

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): June 15, 2020   First Horizon National Corporation (Exact Name of Registrant as Specified in Charter)   TN 001-15185 62-0803242 (State or Other Jurisdiction (Commission File Number) (IRS Employer of Incorporation)   Identification No.) 165 Madison Avenue Memphis Tennessee 38103   (Address of Principal Executive Office) (Zip Code) ( 901 ) 523-4444 Registrant's telephone number, including area code   (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:   □ 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))   Securities registered pursuant to Section 12(b) of the Act:   Title of Each Class  Trading Symbol(s) Name of Exchange on which Registered $0.625 Par Value Common Capital Stock FHN New York Stock Exchange LLC Depositary Shares, each representing a 1/4,000 th interest in a share of Non-Cumulative Perpetual Preferred Stock, Series A FHN PR A New York Stock Exchange LLC Depositary Shares, each representing a 1/4,000 th interest in a share of Non-Cumulative Perpetual Preferred Stock, Series E FHN PR E New York Stock Exchange LLC   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. □     ITEM 8.01. Other Events.   On November 3, 2019, First Horizon National Corporation, a Tennessee corporation (“First Horizon”), entered into an Agreement and Plan of Merger with IBERIABANK Corporation, a Louisiana corporation (“IBKC”), pursuant to which First Horizon and IBKC agreed to effect a mergers-of-equals transaction (the “Merger”).   On June 15, 2020, First Horizon announced that it has received approval to complete the Merger from the Board of Governors of the Federal Reserve System. First Horizon now has received all federal and state regulatory approvals necessary to complete the Merger.   Completion of the Merger remains subject to customary closing conditions. Subject to their satisfaction, First Horizon currently expects the Merger to be consummated on July 1, 2020.   * * * * * 2     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.       First Horizon National Corporation     (Registrant)         Date: June 15, 2020 By: /s/ Clyde A. Billings, Jr.     Clyde A. Billings, Jr.     Senior Vice President, Assistant     General Counsel, and Corporate Secretary         3