🕵️ Boston BEER Co Inc ($SAM)
SEC insider & ownership activity, last 12 months · CIK 949870 · every row links its SEC filing
Over the last 12 months insiders sold $642K with no open-market buying against it. Michael Spillane sold $642K in discretionary trades (Nov). C. James Koch added 20.0% → 21.6%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $642K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Michael Spillane | 0 | – | 2 | $642K | Nov 4, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| C. James Koch | 21.6% | 13G | Feb 11, 2026 | filing ↗ | |
| BlackRock, Inc. | 11.3% | Class A | 13G | Jul 8, 2026 | filing ↗ |
| Vanguard Portfolio Management | 7.6% | 13G | Apr 29, 2026 | filing ↗ | |
| AQR Capital Management, LLC | 6.5% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| AQR Capital Management Holdings, LLC | 6.5% | Class A | 13G | Aug 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Michael Spillane | $642K | Nov 4, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 17, 2026 | filing ↗ |
| Other events (8.01) | Aug 10, 2026 | filing ↗ |
| Earnings (2.02) | Jul 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 23, 2026 | filing ↗ |
| Change of control (5.01) | May 27, 2026 | filing ↗ |
| Other events (8.01) | May 27, 2026 | filing ↗ |
| Other events (8.01) | May 26, 2026 | filing ↗ |
| Other events (8.01) | May 15, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Other events (8.01) | Apr 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 10, 2026 | filing ↗ |
| Other events (8.01) | Mar 10, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Other events (8.01) | Nov 7, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 23, 2025 | filing ↗ |
| Earnings (2.02) | Oct 23, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 23, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 17, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 16, 2025 | filing ↗ |