Ownership Submission
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 *
EPPINGER FREDERICK H
   2. Issuer Name and Ticker or Trading Symbol
HANOVER INSURANCE GROUP, INC. [THG] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
THE HANOVER INSURANCE GROUP, INC., 440 LINCOLN ST		 3. Date of Earliest Transaction (Month/Day/Year)
10/30/2015
(Street)

WORCESTER, MA 01653		 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 10/30/2015   M(1)   100,000 A $ 48.46 362,882 D  
Common Stock 10/30/2015   F(1)   77,528 D $ 84.25 285,354 D  
Common Stock 10/30/2015   M(1)   50,000 A $ 45.21 335,354 D  
Common Stock 10/30/2015   F(1)   37,744 D $ 84.25 297,610 D  
Common Stock 10/30/2015   M(1)   75,000 A $ 34.19 372,610 D  
Common Stock 10/30/2015   F(1)   51,426 D $ 84.25 321,184 D  
Common Stock 10/30/2015   M(1)   100,000 A $ 42.15 421,184 D  
Common Stock 10/30/2015   F(1)   73,566 D $ 84.25 347,618 D  
Common Stock 10/30/2015   M(1)   100,000 A $ 46.47 447,618 D  
Common Stock 10/30/2015   F(1)   76,279 D $ 84.25 371,339 D  
Common Stock 10/30/2015   M(1)   60,000 A $ 36.81 431,339 D  
Common Stock 10/30/2015   F(1)   42,128 D $ 84.25 389,211 D  
Common Stock 10/30/2015   M(1)   93,333 A $ 42.49 482,544 D  
Common Stock 10/30/2015   F(1)   68,861 D $ 84.25 413,683 D  
Common Stock 10/30/2015   M(1)   45,000 A $ 57.99 458,683 D  
Common Stock 10/30/2015   F(1)   37,581 D $ 84.25 421,102 (2) D  

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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
Common Stock Option (right to buy) $ 48.46 10/30/2015   M(1)     100,000   (3) 02/23/2017 Common Stock 100,000 $ 0 0 D  
Common Stock Option (right to buy) $ 45.21 10/30/2015   M(1)     50,000   (4) 02/25/2018 Common Stock 50,000 $ 0 0 D  
Common Stock Option (right to buy) $ 34.19 10/30/2015   M(1)     75,000   (5) 02/23/2019 Common Stock 75,000 $ 0 0 D  
Common Stock Option (right to buy) $ 42.15 10/30/2015   M(1)     100,000   (6) 02/26/2020 Common Stock 100,000 $ 0 0 D  
Common Stock Option (right to buy) $ 46.47 10/30/2015   M(1)     100,000   (7) 02/28/2021 Common Stock 100,000 $ 0 0 D  
Common Stock Option (right to buy) $ 36.81 10/30/2015   M(1)     60,000   (8) 01/20/2022 Common Stock 60,000 $ 0 60,000 D  
Common Stock Option (right to buy) $ 42.49 10/30/2015   M(1)     93,333   (9) 02/26/2023 Common Stock 93,333 $ 0 46,667 D  
Common Stock Option (right to buy) $ 57.99 10/30/2015   M(1)     45,000   (10) 02/19/2024 Common Stock 45,000 $ 0 90,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
EPPINGER FREDERICK H
THE HANOVER INSURANCE GROUP, INC.
440 LINCOLN ST
WORCESTER, MA 01653		   X     President & CEO  

Signatures

 /s/ Matthew R. Frascella pursuant to Confirming Statement   11/02/2015
**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) Mr. Eppinger "net exercised" a total of 623,333 options. The options were granted to Mr. Eppinger from 2007-2014, and were scheduled to expire ten years after issuance. A total of 465,113 shares were withheld by the Company to satisfy the exercise price and taxes associated with the exercises, resulting in a net issuance of 158,220 shares to, and held by, Mr. Eppinger.
(2) Does not include 200,612 shares held indirectly in a Rabbi Trust pursuant to deferral agreements.
(3) The option, representing the right to purchase a total of 100,000 shares, vested 25% on 2/23/08, 25% on 2/23/09, and the remaining 50% vested on 2/23/10.
(4) The option, representing the right to purchase a total of 50,000 shares, vested 25% on 2/25/09, 25% on 2/25/10, and the remaining 50% vested on 2/25/11.
(5) The option, representing the right to purchase a total of 75,000 shares, vested 50% on 2/23/12, and the remaining 50% vested on 2/23/13.
(6) The option, representing the right to purchase a total of 100,000 shares, vested 50% on 2/26/13, and the remaining 50% vested on 2/26/14.
(7) The option, representing the right to purchase a total of 100,000 shares, vested 50% on 2/28/14, and the remaining 50% vested on 2/28/15.
(8) The option, representing the right to purchase a total of 120,000 shares, vested 50% on 1/20/15, and the remaining 50% will vest on 1/20/16.
(9) The option, representing the right to purchase a total of 140,000 shares, vested 33% on 2/26/14, 33% on 2/26/15, and the remaining portion will vest on 2/26/16.
(10) The option, representing the right to purchase a total of 135,000 shares, vested 33% on 2/19/15, an additional 33% will vest on 2/19/16, and the remaining portion will vest on 2/19/17.

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