X0306 4 2020-12-23 false 0000949870 BOSTON BEER CO INC SAM 0001199207 VALETTE JEAN MICHEL 28 MAPLE AVENUE KENTFIELD CA 94904 true false false false Class A Common 2020-12-23 4 S false 1500.00 1050.00 D 17758.00 D This Form 4 is being filed late due to the broker's administrative oversight. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 27, 2020. Michael G. Andrews under POA for Jean-Michel Valette 2021-01-04