X0306 4 2018-01-09 false 0000949870 BOSTON BEER CO INC SAM 0001206513 ROPER MARTIN F C/O THE BOSTON BEER COMPANY, INC. ONE DESIGN CENTER PLACE, SUITE 850 BOSTON MA 02210 true true false false President and C.E.O. Class A Common 2018-01-09 4 M false 10000.00 120.87 A 42273.00 D Class A Common 2018-01-09 4 S false 1400.00 187.73 D 40873.00 D Class A Common 2018-01-09 4 S false 1300.00 188.73 D 39573.00 D Class A Common 2018-01-09 4 S false 600.00 189.81 D 38973.00 D Class A Common 2018-01-09 4 S false 1600.00 190.82 D 37373.00 D Class A Common 2018-01-09 4 S false 2212.00 192.07 D 35161.00 D Class A Common 2018-01-09 4 S false 2888.00 192.69 D 32273.00 D Class A Common Stock Option 120.87 2018-01-09 4 M false 10000.00 0.00 D 2018-01-01 2018-12-31 Class A Common 10000.00 120773.00 D The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2017. The Rule 10b5-1 trading plan and the transactions contemplated thereby were approved by unanimous consent of the Class B Stockholders of the Company. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 1,400 shares is from $187.50 to $188.35. 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 1,300 shares is from $188.40 to $189.25. 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 600 shares is from $189.45 to $190.10. 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 1,600 shares is from $190.50 to $191.45. 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 2,212 shares is from $191.50 to $192.45. 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 2,888 shares is from $192.55 to $192.95. 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 option vested in five equal installments: the first on January 1, 2014, and the final installment vested on January 1, 2018. All options are subject to earlier expiration based on certain contingencies. Michael G. Andrews under POA for the benefit of Martin F. Roper 2018-01-10