| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Boynton Laura J. | Chief People Officer | C/O THE BOSTON BEER COMPANCY, INC., ONE DESIGN CENTER PLACE, SUITE 850, BOSTON | Michael G. Andrews under POA for the benefit of Laura J. Boynton | 03 Mar 2026 | 0002097795 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SAM | Class A Common Stock | Tax liability | $19,957 | -88 | -6.8% | $226.78 | 1,198 | 01 Mar 2026 | Direct | F1 |
| transaction | SAM | Class A Common | Award | $0 | +1,324 | +111% | $0.000000 | 2,522 | 01 Mar 2026 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The Issuer net withheld the vesting of a percentage of shares to satisfy the tax obligations of the Reporting Person flowing from the vesting of Restricted Stock Units ("RSUs"). The Reporting Person had a total of 288 RSUs vest on March 1, 2026. |
| F2 | Represents grants of Restricted Stock Units ("RSUs") under the Issuer's Restated Employee Equity Incentive Plan ("EEIP"). The details of these grants were disclosed in a Current Report on Form 8-K filed by the Issuer on February 17, 2026. |
| F3 | The shares reported include 2,322 shares of restricted stock subject to vesting conditions. |