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 * Fisher Cynthia A   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 _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 186 PARK STREET 3. Date of Earliest Transaction (Month/Day/Year) 03/09/2017 (Street) NEWTON, MA 02458 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 03/09/2017   S(1)   5,690 D $ 151.59 (2) 10,000 I By Foundation managed by Reporting Person's Spouse Class A Common 03/09/2017   S(1)   1,300 D $ 152.4 (3) 8,700 I By Foundation managed by Reporting Person's Spouse Class A Common 03/09/2017   S(1)   200 D $ 152.95 8,500 I By Foundation managed by Reporting Person's Spouse Class A Common               27,437 I By LLC managed by Reporting Person (4) Class A Common               23,486 I By spouse as custodian for children under UGTMA Class A Common               3,656 I Custodian for children under UGTMA Class A Common               2,532 I As trustee in trust for children Class A Common               44,248 I By LLC managed by Reporting Person (5)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Fisher Cynthia A 186 PARK STREET NEWTON, MA 02458	X

Signatures

Michael G. Andrews under POA for the benefit of Cynthia A. Fisher		03/10/2017
**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)	The shares are held by a Foundation managed by the Reporting Person's Spouse. The Reporting Person serves on the Board of Directors of the Foundation, but expressly disclaims beneficial ownership of the shares.
(2)	The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 5,690 shares is from $150.90 to $151.85. 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.
(3)	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 $151.90 to $152.80. 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 shares are held by West Summit Grand LLC, a limited liability company managed by the Reporting Person. The Reporting Person expressly disclaims beneficial ownership of the securities except to the extent of her pecuniary interest therein.
(5)	The shares are held by an LLC managed by the Reporting Person and owned by Trusts established for the benefit of the Reporting Person's children and the Reporting Person's spouse's children. The Reporting Person is the Trustee or Co-Trustee for each Trust.

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