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 *
KOCH C JAMES
  2. Issuer Name and Ticker or Trading Symbol
BOSTON BEER CO INC [SAM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman
(Last)
(First)
(Middle)
C/O THE BOSTON BEER COMPANY, 75 ARLINGTON STREET
3. Date of Earliest Transaction (Month/Day/Year)
01/01/2005
(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 01/01/2005   M   863 A $ 4.2938 382,984 D  
Class A Common 01/01/2005   M   714 A $ 5.3063 383,698 D  
Class A Common 01/01/2005   M   402 A $ 10.527 384,100 D  
Class A Common 01/01/2005   M   946 A $ 8.68 385,046 D  
Class A Common 01/01/2005   M   474 A $ 11.079 385,520 D  

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
Restricted Stock Purchase $ 4.2938 01/01/2005   M     863   (1)   (1) Class A Common 4,307 $ 4.2938 0 D  
Restricted Stock Purchase $ 5.3063 01/01/2005   M     714   (1)   (1) Class A Common 3,567 $ 5.3063 714 D  
Restricted Stock Purchase $ 10.527 01/01/2005   M     402   (1)   (1) Class A Common 2,010 $ 10.527 804 D  
Restricted Stock Purchase $ 8.68 01/01/2005   M     946   (1)   (1) Class A Common 4,729 $ 8.68 2,838 D  
Restricted Stock Purchase $ 11.079 01/01/2005   M     474   (1)   (1) Class A Common 2,373 $ 11.079 1,899 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KOCH C JAMES
C/O THE BOSTON BEER COMPANY
75 ARLINGTON STREET
BOSTON, MA, X1 02116
  X   X   Chairman  

Signatures

 Kathleen H. Wade under POA for the benefit of C. James Koch   01/03/2005
**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) Restricted Stock Purchase pursuant to the Investment Share Program under the issuer's Employee Equity Incentive Plan, shares vest at 20% over 5 years from date of purchase.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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