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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	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 * Grinnell David L.	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) Vice President of Brewing
(Last)          (First)          (Middle) C/O THE BOSTON BEER COMPANY, INC., ONE DESIGN CENTER PLACE, SUITE 850	3. Date of Earliest Transaction (MM/DD/YYYY) 3/1/2019
(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)
			Code	V	Amount	(A) or (D)	Price
Class A Common	3/1/2019		A		431.00   (1)	A	$0.00	1453.00   (2)	D

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
Stock Option (Right to Buy)	$312.56	3/1/2019		A		992.00		3/1/2021   (3)	2/28/2029	Class A Common	992.00	$0.00	992.00	D

Explanation of Responses:
(1)	Represents a grant of Restricted Stock Units ("RSU's") under the Issuer's Restated Employee Equity Incentive Plan ("EEIP"). RSU's generally vest in four equal installments over a four year period, provided that the Reporting Person remains employed by the Issuer as of the applicable vesting date.
(2)	The shares reported include 1,258 shares of restricted stock subject to vesting conditions.
(3)	The Performance-Based Stock Options were granted pursuant to the Issuer's EEIP. The extent to which the options may become exercisable will be dependent upon the Company achieving certain compounded annual growth rate targets based on net revenue growth in Fiscal Year 2020 over Fiscal Year 2018. The determination of the eligibility for vesting of these options will be made by the Compensation Committee before March 1, 2021.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Grinnell David L. C/O THE BOSTON BEER COMPANY, INC. ONE DESIGN CENTER PLACE, SUITE 850 BOSTON, MA 02210			Vice President of Brewing

Signatures
Michael G. Andrews under POA for the benefit of David L. Grinnell		3/1/2019
** Signature of Reporting Person		Date

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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.