X0306 4 2016-01-05 0 0000949870 BOSTON BEER CO INC SAM 0001393650 Geist John C C/O THE BOSTON BEER COMPANY, INC. ONE DESIGN CENTER PLACE BOSTON, MA X1 02210 0 1 0 0 Chief Sales Officer Class A Common 2016-01-05 4 M 0 24000 95.09 A 24443 D Class A Common 2016-01-05 4 S 0 7400 194.45 D 17043 D Class A Common 2016-01-05 4 S 0 5100 194.97 D 11943 D Class A Common 2016-01-05 4 S 0 7800 196.40 D 4143 D Class A Common 2016-01-05 4 S 0 2500 197.34 D 1643 D Class A Common 2016-01-05 4 S 0 1200 199.10 D 443 D Stock Option (Right to Buy) 95.09 2016-01-05 4 M 0 24000 0 D 2016-01-01 2020-12-31 Class A Common 24000 56000 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 9, 2015. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 7,400 shares is from $193.79 to $194.76. 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 reported include 293 shares of restricted stock subject to vesting conditions. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 5,100 shares is from $194.79 to $195.25. 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 7,800 shares is from $196.04 to $197.00. 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 2,500 shares is from $197.08 to $197.50. 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 1,200 shares is from $199.02 to $199.14. 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 vests in five installments; the first vested on January 1, 2016. The remaining installments will vest on January 1 in each of the years 2017-2020, provided that the Reporting Person remains employed by the Issuer on the applicable vesting dates. Kathleen H. Wade under POA for the benefit of John C. Geist 2016-01-06