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 * McDonough Paul H.   2. Issuer Name and Ticker or Trading Symbol OneBeacon Insurance Group, Ltd. [OB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) EVP & Chief Financial Officer (Last) (First) (Middle) 605 HIGHWAY 169 NORTH SUITE 800 3. Date of Earliest Transaction (Month/Day/Year) 09/28/2017 (Street) PLYMOUTH, MN 55441 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 Class A Common Shares 09/28/2017   D   53,627 D $ 18.1 (1) 0 D   Class A Common Shares 09/28/2017   D   3,604 D $ 18.1 (2) 0 I in 401(k) ESOP

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
McDonough Paul H. 605 HIGHWAY 169 NORTH SUITE 800 PLYMOUTH, MN 55441			EVP & Chief Financial Officer

Signatures

/s/ Sarah A. Kolar, Attorney-in-Fact		09/28/2017
**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)	Disposition in connection with the merger (the "Merger") between Intact Acquisition Co. Ltd. and OneBeacon Insurance Group, Ltd. ("OneBeacon"), exempt pursuant to Rule 16b-3, in which each outstanding Class A common share of OneBeacon ("Class A Share") was converted into the right to receive an amount in cash equal to $18.10 per share. Amount includes 53,627 restricted shares, which were converted into the right to receive an amount in cash equal to $18.10 per share plus any accrued dividends; such cash amount shall continue to be subject to service-based vesting conditions.
(2)	Disposition in connection with the Merger, exempt pursuant to Rule 16b-3, in which each outstanding Class A Share was converted into the right to receive an amount in cash equal to $18.10 per share.

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