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 * HARRIS ROBERT W   2. Issuer Name and Ticker or Trading Symbol COMMERCE GROUP INC /MA [CGI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) P O BOX 1218 3. Date of Earliest Transaction (Month/Day/Year) 06/04/2008 (Street) WEBSTER, MA 01570 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 06/04/2008   D   10,000 D $ 36.7 (1) 0 D   Common stock 06/04/2008   D   128,288 D $ 36.7 (1) 0 I See (3) (5) Common stock 06/04/2008   D   74,206 D $ 36.7 (1) 0 I See (4) (5)

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

Stock Option

$ 30.6

06/04/2008

D

4,008

02/16/2007

02/15/2017

Common stock

4,008

(2)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HARRIS ROBERT W P O BOX 1218 WEBSTER, MA 01570	X

Signatures

/s/ Robert W. Harris		06/05/2008
**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)	Each share was converted into the right to receive $36.70 per share pursuant to the Agreement and Plan of Merger, dated as of October 30, 2007, among The Commerce Group, Inc., Mapfre S.A. and Magellan Acquisition Corp. (the "Merger Agreement").
(2)	Each option converted into the right to receive an amount in cash (subject to applicable withholding taxes) equal to the product of (x) the excess, if any, of $36.70 per share over the applicable exercise price of each such option and (y) the number (determined without reference to vesting requirements or other limitations on exercisability) of shares of the Company common stock issuable upon exercise of such option pursuant to the Merger Agreement.
(3)	128,288 shares are owned by a trust for the benefit of the undersigned of which the undersigned is a trustee.
(4)	74,206 shares are owned by a trust for the benefit of the undersigned's wife of which the undersigned's wife is a trustee.
(5)	The filing of this statement by the undersigned is not to be construed as and shall not be deemed to be an admission that the undersigned is, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, a beneficial owner of these shares.

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