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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1. Name and Address of Reporting Person * Geist John C   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) VP of Sales (Last) (First) (Middle) C/O THE BOSTON BEER COMPANY, INC., ONE DESIGN CENTER PLACE 3. Date of Earliest Transaction (Month/Day/Year) 01/01/2009 (Street) BOSTON, MA, X1 02210 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 01/01/2009   M   300 A $ 11.079 300 D   Class A Common 01/01/2009   M   358 A $ 12.684 658 D   Class A Common 01/01/2009   M   330 A $ 14.97 988 D   Class A Common 01/01/2009   M   162 A $ 21.588 1,150 D   Class A Common 01/01/2009   M   154 A $ 22.59 1,304 D   Class A Common 01/02/2009   S   1,304 D $ 28.4267 0 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
Restricted Stock Purchase	$ 11.079	01/01/2009		M			300	(1)	(1)	Class A Common	1,500	$ 11.079	0	D
Restricted Stock Purchase	$ 12.684	01/01/2009		M			358	(1)	(1)	Class A Common	1,789	$ 12.684	358	D
Restricted Stock Purchase	$ 14.97	01/01/2009		M			330	(1)	(1)	Class A Common	1,649	$ 14.97	660	D
Restricted Stock Purchase	$ 21.588	01/01/2009		M			162	(1)	(1)	Class A Common	810	$ 21.588	486	D
Restricted Stock Purchase	$ 22.59	01/01/2009		M			774	(1)	(1)	Class A Common	774	$ 22.59	620	D
Stock Option (Right to Buy)	$ 28.4	01/01/2009		A		25,000		(2)	01/01/2019	Class A Common	25,000	$ 28.4	25,000	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Geist John C C/O THE BOSTON BEER COMPANY, INC. ONE DESIGN CENTER PLACE BOSTON, MA, X1 02210			VP of Sales

Signatures

Kathleen H. Wade under POA for the benefit of John C. Geist		01/05/2009
**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)	Restricted Stock Purchase pursuant to the Investment Share Program under the Issuer's Employee Equity Incentive Plan, shares vest 20% over 5 years from date of purchase.
(2)	Reporting Person's right to exercise this option is contingent upon the Company's 2009 performance against a benchmark, which performance will be determined by the Compensation Committee of the Company's Board of Directors on or before March 1, 2010. If the Company does not meet the benchmark, the Option shall lapse as to 50% or all of the shares, based on the Committee's determination. If the benchmark is met or exceeded, the Option shall become exercisable as to a maximum of 5,000 shares on 3/1/2010 and 5,000 shares on each of 1/1/2011, 1/1/2012, 1/1/2013 and 1/1/2014, so long as the Reporting Person continues to be employed by the Company on the applicable vesting date.

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