UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

~~WASHINGTON~~Washington, D.C. 20549

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FORM 8-K

CURRENT REPORT

~~PURSUANT~~Pursuant TOto ~~SECTION~~Section 13 ORor 15(d) OFof the Securities Exchange Act of 1934

~~THE~~Date ~~SECURITIES~~of ~~EXCHANGE~~Report ~~ACT~~(date OFof ~~1934~~earliest event reported): October 30, 2017

~~Date~~CAPITAL ofBANK ~~report~~FINANCIAL CORP. (~~Date~~Exact name of ~~earliest~~registrant ~~event~~as ~~reported): October~~specified ~~19,~~in ~~2017~~its charter)

(Exact name of registrant as specified in its charter)

Delaware	001-35655	27-1454759
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

Delaware	001-35655	27-1454759
(State or other	(Commission	(IRS Employer
jurisdiction of	File Number)	Identification No.)
incorporation)

4725 Piedmont Row Drive, Suite 110
Charlotte, North Carolina 28210

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (704) 554-5901

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

~~4725~~Check ~~Piedmont~~the ~~Row~~appropriate ~~Drive,~~box ~~Suite~~below ~~110~~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):

~~Charlotte,~~☐ ~~North~~Written ~~Carolina~~communications ~~28210~~pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

~~(Address~~☐ ofSoliciting ~~principal~~material ~~executive~~pursuant ~~offices)~~to Rule 14a-12 under the Exchange Act (~~Zip~~17 ~~Code~~CFR 240.14a-12)

~~Registrant's~~☐ ~~telephone~~Pre-commencement ~~number,~~communications ~~including~~pursuant ~~area~~to ~~code:~~Rule 14d-2(~~704~~b) ~~554~~under The Exchange Act (17 CFR 240.14d-~~5901~~2(b))

~~Check~~☐ ~~the appropriate box below if the Form 8~~Pre-Kcommencement ~~filing~~communications ispursuant ~~intended~~ to ~~simultaneously~~Rule ~~satisfy~~13e-4(c) ~~the filing obligation of the registrant~~ under ~~any~~The ofExchange ~~the~~Act ~~following~~(17 ~~provisions:~~CFR 240.13e-4(c))

~~o Written~~ Indicate ~~communications~~by ~~pursuant~~check tomark whether the registrant is an emerging growth company as defined in Rule ~~425~~405 ~~under~~of the Securities Act of 1933 (17 CFR §230.~~425~~405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

~~o Soliciting~~ Emerging ~~material~~growth ~~pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)~~company ☐

~~o Pre-commencement~~ If ~~communications~~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 ~~Rule~~Section ~~14d-2~~13(ba) ~~under~~of the Exchange Act ~~(17 CFR 240~~.~~14d-2(b))~~ ☐

~~o Pre-commencement~~Item ~~communications~~5.02. Departure ~~pursuant~~of toDirectors ~~Rule~~or ~~13e-4(c)~~Certain ~~under~~Officers; ~~the~~Election ~~Exchange~~of ~~Act~~Directors; ~~(17~~Appointment ~~CFR~~of ~~240~~Certain Officers; Compensatory Arrangements of Certain Officers.~~13e-4(c))~~

~~Item~~On 2October 31, 2017, Richard M.~~02 Results~~ DeMartini resigned from the Board. Mr. DeMartini's resignation was not the result of ~~Operations~~any ~~And~~disagreement with the Capital Bank Financial ~~Condition~~Corp. ("Capital Bank") on any matter relating to the Company's operations, policies or practices.

OnItem ~~October 19, 2017, Capital Bank Financial Corp~~8. ~~(the “Company”) issued a press release announcing its financial results for the third quarter of 2017~~01. A Other ~~copy of the press release is furnished as Exhibit 99~~Events.~~1 herewith and is incorporated herein by reference.~~

~~Item~~On 9October 30, 2017, First Horizon National Corporation ("First Horizon") received the approval from the Board of Governors of the Federal Reserve System to consummate the transactions contemplated by the Agreement and Plan of Merger, dated May 3, 2017, between First Horizon, Capital Bank and Firestone Sub, Inc.~~01 Financial~~, ~~Statements~~a Delaware corporation and ~~Exhibits~~direct wholly-owned subsidiary of First Horizon, pursuant to which and on the terms and subject to the conditions set forth in the merger agreement and the approval order, Capital Bank will, through a series of mergers, merge with and into First Horizon, with First Horizon as the surviving corporation.

~~(d) Exhibits~~SIGNATURES

Exhibit 99.1 Press Release of Capital Bank Financial Corp. dated October 19, 2017.

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.

	CAPITAL BANK FINANCIAL CORP.(Registrant)
	Capital Bank Financial Corp.
Date: October 19, 2017	By:	/s/ Christopher G. Marshall
Date: November 2, 2017	By:	/s/ Vince Lichtenberger
		Christopher G. MarshallChief Financial Officer
		Name: Vince Lichtenberger
		Title: Executive Vice President, General Counsel & Secretary

Exhibit Index

Exhibit 99.1 Press Release of Capital Bank Financial Corp. dated October 19, 2017.

Filing Compare · Capital Bank Financial Corp.