Sec Form 4 Filing - McKenney Richard P @ Unum Group - 2022-03-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person McKenney Richard P 2. Issuer Name and Ticker or Trading Symbol Unum Group [ UNM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 1 FOUNTAIN SQUARE 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2022 (Street) CHATTANOOGA, TN37402 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/01/2022 F 12,626( 1 ) D $ 26.88 896,163( 2 ) D Common Stock 03/01/2022 F 8,872( 3 ) D $ 26.88 887,291( 4 ) D Common Stock 03/01/2022 F 17,903( 5 ) D $ 26.88 869,388( 6 ) D Common Stock 03/01/2022 M 22,545 A $ 0 891,933( 7 ) D Common Stock 03/01/2022 D 22,545 D $ 26.88 869,388( 6 ) D Common Stock 03/01/2022 A 156,250( 8 ) A $ 0 1,025,638( 9 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units ( 10 ) 03/01/2022 M 22,545 ( 11 ) ( 11 ) Common Stock 22,545 $ 0 23,229 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other McKenney Richard P 1 FOUNTAIN SQUARE CHATTANOOGA, TN37402 X President and CEO Signatures /s/ Jullienne, J. Paul, Attorney-in-Fact 03/03/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares withheld to satisfy tax withholding obligation applicable to the vesting of 32,084.003 stock-settled RSUs (as defined in footnote (2) below). ( 2 )Includes 183,642 restricted stock units, 124,867 stock success units ("SSUs"), and 587,654 shares of common stock. All restricted stock units ("stock-settled RSUs") and SSUs may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 3 )Shares withheld to satisfy tax withholding obligation applicable to the vesting of 22,545.000 stock-settled RSUs. ( 4 )Includes 161,097 stock-settled RSUs, 124,867 SSUs, and 601,327 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 5 )Shares withheld to satisfy tax withholding obligation applicable to the vesting of 45,496.000 stock-settled RSUs. ( 6 )Includes 115,601 stock-settled RSUs, 124,867 SSUs, and 628,920 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 7 )Includes 115,601 stock-settled RSUs, 124,867 SSUs, and 651,465 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 8 )All are stock-settled RSUs, which vest in three equal annual installments beginning on March 1, 2023. ( 9 )Includes 271,851 stock-settled RSUs, 124,867 SSUs, and 628,920 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 10 )The restricted stock units may be settled solely in cash ("cash-settled RSUs"). Each cash-settled RSU is the economic equivalent of one share of common stock of the issuer. ( 11 )The cash-settled RSUs vest in three equal annual installments beginning on March 1, 2021. Vested units are to be settled within 30 days after the vesting date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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