X0306 4 2020-11-02 false 0000949870 BOSTON BEER CO INC SAM 0001550860 Fisher Cynthia A 186 PARK STREET NEWTON MA 02458 true false false false Class A Common 2020-11-02 4 M false 1128.00 104.675 A 1528.00 D Class A Common 2020-11-02 4 S false 320.00 1046.08 D 1208.00 D Class A Common 2020-11-02 4 S false 663.00 1047.16 D 545.00 D Class A Common 2020-11-02 4 S false 145.00 1048.45 D 400.00 D Class A Common 2020-11-03 4 M false 550.00 151.49 A 950.00 D Class A Common 2020-11-03 4 S false 548.00 1011.34 D 402.00 D Class A Common 2020-11-03 4 S false 2.00 1012.30 D 400.00 D Class A Common 2020-11-03 4 S false 1458.00 1005.00 D 22529.00 I By LLC managed by Reporting Person Class A Common 2020-11-03 4 S false 259.00 1007.31 D 22270.00 I By LLC managed by Reporting Person Class A Common 2020-11-03 4 S false 8.00 1008.62 D 22262.00 I By LLC managed by Reporting Person Class A Common 2020-11-03 4 S false 879.00 1000.36 D 53248.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 221.00 1001.25 D 53027.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 200.00 1002.65 D 52827.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 100.00 1003.26 D 52727.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 100.00 1008.82 D 52627.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 566.00 1021.12 D 52061.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 278.00 1022.09 D 51783.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 156.00 1023.73 D 51627.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 200.00 1028.33 D 51427.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 100.00 1030.08 D 51327.00 I By Foundation managed by Reporting Person Class A Common 2020-11-03 4 S false 200.00 1041.00 D 51127.00 I By Foundation managed by Reporting Person Class A Common 44248.00 I By LLC managed by Reporting Person 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 Stock option (Right to Buy) 104.675 2020-11-02 4 M false 1128.00 0.00 D 2012-05-23 2022-05-22 Class A Common 1128.00 0.00 D Stock option (Right to Buy) 151.49 2020-11-03 4 M false 550.00 0.00 D 2013-05-29 2023-05-28 Class A Common 550.00 1094.00 D The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 320 shares is from $1,046.08 to $1046.09. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 566 shares is from $1020.63 to $1021.40. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 278 shares is from $1021.89 to $1022.82. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 156 shares is from $1023.73 to $1023.75. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 200 shares is from $1028.29 to $1028.36. 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. The shares are held by an LLC managed by the Reporting Person and owned by Descendant's 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 price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 145 shares is from $1,048.39 to $1,048.62. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 548 shares is from $1,011.13 to $1,012.09. 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. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 259 shares is from $1,007.11 to $$1,007.24. 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. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Foundation on August 6, 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 price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 879 shares is from $1000.00 to $1000.89. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 221 shares is from $1001.07 to $1001.57. 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. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 200 shares is from $1002.25 to $1003.05. 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. Michael G. Andrews under POA for the benefit of Cynthia A. Fisher 2020-11-04