Company Update

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): January 28, 2020 UNUM GROUP (Exact name of registrant as specified in its charter)           Delaware   001-11294   62-1598430 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.) 1 Fountain Square Chattanooga , Tennessee 37402 (Address of principal executive offices) (Zip Code) ( 423 ) 294-1011 (Registrant's telephone number, including area code) Not Applicable (Former name or former address, if changed since 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 ( see General Instruction A.2. below): ☐ 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 each exchange on which registered Common stock, $0.10 par value   UNM   New York Stock Exchange 6.250% Junior Subordinated Notes due 2058   UNMA   New York Stock Exchange           Indicate by check mark whether the registrant is an emerging growth company as defined in 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 January 28, 2020, Unum Group (the “Company”) issued a news release announcing that Christopher Pyne has been appointed as Executive Vice President, Group Benefits, effective February 1, 2020. In this role, Mr. Pyne will report to the Company's Chief Operating Officer. Since joining a Unum Group predecessor company in 1992, Mr. Pyne has held positions of increasing responsibility within the Company’s U.S. distribution organization, most recently as Senior Vice President, Growth Operations and Distribution from June 2018 to February 2020 and as Senior Vice President, Core Segment from August 2012 to June 2018. A copy of the news release announcing Mr. Pyne’s appointment is filed herewith as Exhibit 99.1 and incorporated herein by reference. Item 9.01 Financial Statements and Exhibits. (d) Exhibits.           Exhibit No.   Description       99.1   News Release of Unum Group dated January 28, 2020, announcing the appointment of Christopher Pyne as Executive Vice President, Group Benefits.       104   Cover Page Interactive Data File (embedded within the Inline XBRL document). 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.   Unum Group   (Registrant)             Date: January 28, 2020 By: /s/ J. Paul Jullienne     Name: J. Paul Jullienne     Title: Vice President, Managing Counsel, and       Corporate Secretary