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 * MARTIN MONICA M   2. Issuer Name and Ticker or Trading Symbol BOSTON BEER CO INC [SAM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Dir. of Finance & Controller (Last) (First) (Middle) C/O BOSTON BEER COMPANY, INC., 75 ARLINGTON STREET 3. Date of Earliest Transaction (Month/Day/Year) 11/09/2005 (Street) BOSTON, MA, X1 02116 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 11/09/2005   M   1,600 A $ 8.8437 2,796 D   Class A Common 11/09/2005   M   1,200 A $ 17.545 3,996 D   Class A Common 11/09/2005   M   1,000 A $ 14.47 4,996 D   Class A Common 11/09/2005   M   1,500 A $ 18.465 6,496 D   Class A Common 11/09/2005   S   300 D $ 26.38 6,196 D   Class A Common 11/09/2005   S   148 D $ 26.39 6,048 D   Class A Common 11/10/2005   S   5,300 D $ 26 748 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

Stock Option (Right to Buy)

$ 8.8437

11/09/2005

M

1,600

(1)

12/31/2010

Class A Common

2,000

$ 8.8437

400

D

Stock Option (Right to Buy)

$ 17.545

11/09/2005

M

1,200

(2)

12/31/2011

Class A Common

2,000

$ 17.545

800

D

Stock Option (Right to Buy)

$ 14.47

11/09/2005

M

1,000

(3)

12/31/2012

Class A Common

2,500

$ 14.47

1,500

D

Stock Option (Right to Buy)

$ 18.465

11/09/2005

M

1,500

(4)

12/31/2013

Class A Common

7,500

$ 18.465

6,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MARTIN MONICA M C/O BOSTON BEER COMPANY, INC. 75 ARLINGTON STREET BOSTON, MA, X1 02116			Dir. of Finance & Controller

Signatures

Monica M. Martin		11/10/2005
**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)	Of this 2,000 stock option grant, the remaining 400 shares will vest on 1/1/06.
(2)	Of this 2,000 option grant, the 400 shares will vest on 1/1/06 and 1/1/07.
(3)	Of this 2,500 option grant, 500 shares will vest on 1/1/06, 1/1/07, and 1/1/08.
(4)	Of this 7,500 option grant, 1,500 shares will vest on 1/1/06, 1/1/07, 1/1/08 and 1/1/09.

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