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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Horn Randall C   2. Issuer Name and Ticker or Trading Symbol Unum Group [UNM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, President & CEO, Colonial (Last) (First) (Middle) 1 FOUNTAIN SQUARE 3. Date of Earliest Transaction (Month/Day/Year) 02/22/2011 (Street) CHATTANOOGA, TN 37402 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 02/22/2011   A   14,770 (1) A $ 0 128,874 (2) (3) D   Common Stock 02/23/2011   F   2,458 (4) D $ 26.87 126,416 (5) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

Employee Stock Options (right to buy)

$ 26.29

02/22/2011

A

11,035

(6)

02/22/2019

Common Stock

11,035

$ 0

11,035

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Horn Randall C 1 FOUNTAIN SQUARE CHATTANOOGA, TN 37402			EVP, President & CEO, Colonial

Signatures

/s/ Jullienne, J. Paul, Attorney-in-Fact		02/24/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	All are restricted stock units which may be settled, on a 1-for-1 basis, only in shares of common stock ("stock-settled RSUs"), and which vest in three equal annual installments beginning on February 22, 2012.
(2)	Includes 70,213 stock-settled RSUs and 58,661 shares of common stock.
(3)	Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 869.451 stock-settled RSUs pursuant to the reinvestment of dividends after the date of the reporting person's prior Form 4.
(4)	Shares withheld to satisfy tax withholding obligation applicable to the vesting of 7,182.563 stock-settled RSUs.
(5)	Includes 63,030 stock-settled RSUs and 63,386 shares of common stock.
(6)	The options vest in three equal annual installments beginning on February 22, 2012.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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