X0306 4 2020-07-07 false 0000949870 BOSTON BEER CO INC SAM 0001550860 Fisher Cynthia A 186 PARK STREET NEWTON MA 02458 true false false false Class A Common 2020-07-07 4 S false 240.00 570.00 D 42972.00 I By Foundation managed by Reporting Person Class A Common 400.00 D Class A Common 23487.00 I By spouse as custodian for children under UGTMA Class A Common 3656.00 I Custodian for children under UGTMA Class A Common 2532.00 I As trustee in trust for children Class A Common 44248.00 I By LLC managed by Reporting Person Class A Common 27437.00 I By LLC managed by Reporting Person The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Foundation on May 8, 2020. 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. 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. 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. Michael G. Andrews under POA for the benefit of Cynthia A. Fisher 2020-07-07