X0306 4 2020-07-30 false 0000949870 BOSTON BEER CO INC SAM 0001778852 Calagione Samuel A. III C/O THE BOSTON BEER COMPANY 1 DESIGN CENTER PLACE, SUITE 850 BOSTON MA 02210 false true false false Founder & Brewer, Dogfish Head Class A Common 2020-07-30 5 J false E 6141.00 0.00 A 6141.00 D Class A Common 2020-07-30 5 J false E 7899.00 0.00 A 14040.00 D Class A Common 2020-07-30 5 J false E 7899.00 0.00 D 108807.00 I By Dynasty Trust Class A Common 2020-07-30 4 S false 9377.00 799.02 D 99430.00 I By Dynasty Trust Class A Common 2020-07-30 5 J false E 6141.00 0.00 D 132164.00 I By Family Trust Class A Common 2020-07-30 4 S false 9377.00 799.02 D 122787.00 I By Family Trust Class A Common 2020-07-30 5 J false E 20503.00 0.00 D 102284.00 I By Family Trust Class A Common 94951.00 I By Dogfish East of the Mississippi, LP Class A Common 20503.00 I By Spouse Class A Common 27165.00 I By Trust for the Reporting Person's minor daughter Class A Common 27165.00 I By Trust for the Reporting Person's minor son This transaction represents the transfer of 6,141 shares from a Family Trust that is controlled and indirectly owned by the Reporting Person to the direct beneficial ownership of the Reporting Person. This transaction represents the transfer of 7,899 shares from a Dynasty Trust that is controlled and indirectly owned by the Reporting Person to the direct beneficial ownership of the Reporting Person. The price shown is the weighted average sale price for the transactions reported on this line, as the transactions were part of a bulk sale. 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. This transaction represents the transfer of 20,503 shares from a Family Trust that is controlled and indirectly owned by the Reporting Person and his spouse to the direct beneficial ownership of the Reporting Person's spouse. Michael G. Andrews under POA for the benefit of Samuel A. Calagione, III 2020-07-31