Statement of Changes in Beneficial Ownership (4)

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) 9/13/2019
(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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common	9/13/2019		S⁽¹⁾		10.00	D	$386.14	147837.00 ⁽²⁾	D
Class A Common	9/13/2019		S⁽¹⁾		4485.00	D	$388.56 ⁽³⁾	143352.00 ⁽²⁾	D
Class A Common	9/13/2019		S⁽¹⁾		1300.00	D	$389.61 ⁽⁴⁾	142052.00 ⁽²⁾	D
Class A Common	9/13/2019		S⁽¹⁾		1205.00	D	$390.68 ⁽⁵⁾	140847.00 ⁽²⁾	D
Class A Common								44248.00	I	By LLC managed by spouse
Class A Common								23486.00	I	Custodian for children under UGTMA
Class A Common								39300.00	I	By Foundation managed by Reporting Person
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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 August 7, 2019.
(2)	The shares reported include 524 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 4,485 shares is from $388.16 to $389.16. 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 1,300 shares is from $389.18 to $390.17. 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 1,205 shares is from $390.34 to $391.29. 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
Reporting Owner Name / Address	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		9/16/2019
^**Signature of Reporting Person		Date

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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	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).
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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