X0306 4 2019-09-09 false 0000949870 BOSTON BEER CO INC SAM 0001008079 KOCH C JAMES C/O THE BOSTON BEER COMPANY ONE DESIGN CENTER PLACE, SUITE 850 BOSTON MA 02210 true true true false Chairman Class A Common 2019-09-09 4 S false 2958.00 395.27 D 179889.00 D Class A Common 2019-09-09 4 S false 225.00 396.37 D 179664.00 D Class A Common 2019-09-09 4 S false 912.00 399.88 D 178752.00 D Class A Common 2019-09-09 4 S false 1481.00 400.79 D 177271.00 D Class A Common 2019-09-09 4 S false 1211.00 402.77 D 176060.00 D Class A Common 2019-09-09 4 S false 213.00 403.78 D 175847.00 D Class A Common 2019-09-09 4 S false 4690.00 400.16 D 171157.00 D Class A Common 2019-09-09 4 S false 839.00 401.65 D 170318.00 D Class A Common 2019-09-09 4 S false 1471.00 403.01 D 168847.00 D Class A Common 44248.00 I By LLC managed by spouse Class A Common 23486.00 I Custodian for children under UGTMA Class A Common 39300.00 I By Foundation managed by Reporting Person Class A Common 5000.00 I By Trust as Trustee Class A Common 3656.00 I By spouse as custodian for children under UGTMA Class A Common 2532.00 I By spouse in trust for children The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 7, 2019. The price shown is the weighted average sale price for the transactions reported on this line. The range of sale prices for the 1,471 shares is from $402.38 to $403.32. 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 2,958 shares is from $394.80 to $395.58. 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 524 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 225 shares is from $396.05 to $396.78. 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 912 shares is from $399.20 to $400.00. 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 1,481 shares is from $400.07 to $401.35. 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 1,211 shares is from $402.27 to $403.20. 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 4,690 shares is from $400.00 to $401.00. 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 839 shares is from $401.28 to $402.18. 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 Koch C. James 2019-09-10