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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
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, ONE DESIGN CENTER PLACE, SUITE 850
3. Date of Earliest Transaction (MM/DD/YYYY)
9/4/2020
(Street)
BOSTON, MA 02210
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  9/4/2020    S(1)    100.00  D $758.73  145321.00 (2) D   
Class A Common  9/4/2020    S(1)    200.00  D $761.81 (3) 145121.00 (2) D   
Class A Common  9/4/2020    S(1)    100.00  D $762.70 (4) 145021.00 (2) D   
Class A Common  9/4/2020    S(1)    200.00  D $763.74  144821.00 (2) D   
Class A Common  9/4/2020    S(1)    132.00  D $765.57 (5) 144689.00 (2) D   
Class A Common  9/4/2020    S(1)    468.00  D $767.22 (6) 144221.00 (2) D   
Class A Common  9/4/2020    S(1)    428.00  D $769.48 (7) 143793.00 (2) D   
Class A Common  9/4/2020    S(1)    572.00  D $770.42 (8) 143221.00 (2) D   
Class A Common  9/4/2020    S(1)    339.00  D $772.10 (9) 142882.00 (2) D   
Class A Common  9/4/2020    S(1)    161.00  D $773.41 (10) 142721.00 (2) D   
Class A Common  9/4/2020    S(1)    325.00  D $774.80 (11) 142396.00 (2) D   
Class A Common  9/4/2020    S(1)    75.00  D $775.10  142321.00 (2) D   
Class A Common  9/4/2020    S(1)    288.00  D $776.36 (12) 142033.00 (2) D   
Class A Common  9/4/2020    S(1)    9.00  D $777.26  142024.00 (2) D   
Class A Common  9/4/2020    S(1)    100.00  D $778.51 (13) 141924.00 (2) D   
Class A Common  9/4/2020    S(1)    100.00  D $780.27 (14) 141824.00 (2) D   
Class A Common  9/4/2020    S(1)    100.00  D $782.47  141724.00 (2) D   
Class A Common  9/4/2020    S(1)    381.00  D $783.76 (15) 141343.00 (2) D   
Class A Common  9/4/2020    S(1)    514.00  D $785.07 (16) 140829.00 (2) D   
Class A Common  9/4/2020    S(1)    254.00  D $786.93 (17) 140575.00 (2) D   
Class A Common  9/4/2020    S(1)    246.00  D $788.33 (18) 140329.00 (2) D   
Class A Common  9/4/2020    S(1)    300.00  D $793.92 (19) 140029.00 (2) D   
Class A Common  9/4/2020    S(1)    387.00  D $796.94 (20) 139642.00 (2) D   
Class A Common  9/4/2020    S(1)    311.00  D $798.06 (21) 139331.00 (2) D   
Class A Common                 71592.00  I  By Foundation managed by Reporting Person 
Class A Common                 44248.00  I  By Descendant's Trust managed by spouse 
Class A Common                 23486.00  I  Custodian for children under UGTMA 
Class A Common                 5000.00  I  By Trust as Trustee 
Class A Common                 3656.00  I  By spouse as custodian for children under UGTMA 
Class A Common                 2532.00  I  By spouse in trust for children 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
(1)  The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on July 29, 2020.
(2)  The shares reported include 343 shares of restricted stock subject to vesting conditions.
(3)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 200 shares is from $761.41 to $762.20. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(4)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 100 shares is from $762.69 to $762.70 . The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(5)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 132 shares is from $765.36 to $766.32 . The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(6)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 468 shares is from $766.52 to $767.49. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(7)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 428 shares is from $769.02 to $770.00. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(8)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 572 shares is from $770.05 to $771.00. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(9)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 339 shares is from $771.90 to $772.51. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(10)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 161 shares is from $773.00 to $773.52. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(11)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 325 shares is from $774.07 to $775.00. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(12)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 288 shares is from $776.12 to $776.96 . The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(13)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 100 shares is from $778.49 to $778.51. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(14)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 100 shares is from $780.01 to $780.28. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(15)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 381 shares is from $783.48 to $784.21. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(16)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 514 shares is from $784.78 to $785.54. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(17)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 254 shares is from $786.65 to $787.21. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(18)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 246 shares is from $788.00 to $788.79. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(19)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 300 shares is from $793.46 to $794.39. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(20)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 387 shares is from $796.40 to $797.27. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.
(21)  The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 311 shares is from $797.59 to $798.50. The Filing Person will provide full information regarding the number of shares sold at each separate price upon request of the SEC, the Registrant, or a shareholder of the Registrant.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
KOCH C JAMES
C/O THE BOSTON BEER COMPANY
ONE DESIGN CENTER PLACE, SUITE 850
BOSTON, MA 02210
X X Chairman

Signatures
Michael G. Andrews under POA for the benefit of Koch C. James 9/8/2020
**Signature of Reporting Person Date
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