X0306 4 2018-01-01 false 0000949870 BOSTON BEER CO INC SAM 0001681932 POTTER JONATHAN N. THE BOSTON BEER COMPANY, INC. 1 DESIGN CENTER PL., STE. 850 BOSTON MA 02210 false true false false Chief Marketing Officer Class A Common 2018-01-01 4 A false 1046.00 0.00 A 3467.00 D The shares reported include 3,467 shares of restricted stock subject to vesting conditions. Restricted shares granted pursuant to the Issuer's Employee Equity Incentive Plan generally vest in five equal installments over a five year period, provided that the Reporting Person remains employed by the Issuer as of the applicable vesting date. Michael G. Andrews under POA for the benefit of Jonathan N. Potter 2018-01-02