SAMConsumer DefensiveSmall-Cap
BOSTON BEER CO INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for BOSTON BEER CO INC (SAM), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are SAM insiders buying or selling?
BOSTON BEER CO INC insiders reported 0 open-market buys ($0) and 292 sells ($758.1M) across 292 Form 4 filings — a net selling position of $758.1M.
Source: SEC EDGAR Form 4
Key Statistics (as of Nov 4, 2025)
Total Form 4 filings
292
SEC EDGAR
Insider filers
16
Insider buys (0)
$0
Insider sells (292)
$758.1M
Insider sentiment
Net sellingNet insider flow of $758.1M in net selling.
Recent SAM insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 4, 2025 | Michael Spillane | Director | Sale | 3.1K | $205.78 | $642.0K |
| Aug 11, 2025 | Annette N Fritsch | VP of Product Design and R&D | Sale | 600 | $219.24 | $131.5K |
| Mar 17, 2025 | Jean Michel Valette | Director | Sale | 3.5K | $228.45 | $799.6K |
| Jan 3, 2025 | Carolyn L. O'Boyle | Chief People Officer | Sale | 62 | $301.76 | $18.7K |
| Dec 3, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 62 | $316.24 | $19.6K |
| Nov 4, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 62 | $292.74 | $18.1K |
| Oct 2, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 62 | $288.86 | $17.9K |
| Sep 4, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 63 | $274.90 | $17.3K |
| Aug 14, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 63 | $274.90 | $17.3K |
| Apr 2, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 101 | $303.49 | $30.7K |
| Mar 4, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 102 | $308.45 | $31.5K |
| Feb 2, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 102 | $350.72 | $35.8K |
| Jan 3, 2024 | Carolyn L. O'Boyle | Chief People Officer | Sale | 102 | $344.83 | $35.2K |
| Dec 4, 2023 | Carolyn L. O'Boyle | Chief People Officer | Sale | 102 | $354.90 | $36.2K |
| Nov 14, 2023 | Carolyn L. O'Boyle | Chief People Officer | Sale | 102 | $333.96 | $34.1K |
| Aug 14, 2023 | Samuel A. Calagione III | Founder & Brewer, Dogfish Head | Sale | 27.0K | $359.13 | $9.7M |
| Jul 31, 2023 | John C Geist | Chief Sales Officer | Sale | 3.5K | $353.00 | $1.2M |
| Jun 6, 2023 | John C Geist | Chief Sales Officer | Sale | 10.0K | $341.35 | $3.4M |
| May 24, 2023 | David A Burwick | President and CEO | Sale | 1.6K | $326.38 | $536.6K |
| Mar 7, 2023 | Annette N Fritsch | VP of Product Design and R&D | Sale | 220 | $318.37 | $70.0K |
| Mar 2, 2023 | John C Geist | Chief Sales Officer | Sale | 646 | $320.14 | $206.8K |
| Jan 13, 2023 | Carolyn L. O'Boyle | Chief People Officer | Sale | 50 | $350.00 | $17.5K |
| Dec 2, 2022 | Carolyn L. O'Boyle | Chief People Officer | Sale | 50 | $386.43 | $19.3K |
| Nov 2, 2022 | Carolyn L. O'Boyle | Chief People Officer | Sale | 50 | $377.52 | $18.9K |
| Oct 26, 2022 | John C Geist | Chief Sales Officer | Sale | 5.0K | $412.73 | $2.1M |
Showing the 25 most recent of 292 Form 4 filings for BOSTON BEER CO INC.
Most active SAM insiders
- James C Koch152 filings
- Cynthia A Fisher26 filings
- David L. Grinnell21 filings
- Carolyn L. O'Boyle19 filings
- John C Geist16 filings
Ask anything about SAM insider activity
Use Trabud's AI agent to query BOSTON BEER CO INC's Form 4 history in plain English — "Show me SAM CEO purchases this year" or compare it against any other ticker.
Open the AI agentSAM insider trading FAQ
Are BOSTON BEER CO INC insiders buying or selling?
Across 292 SEC Form 4 filings, BOSTON BEER CO INC (SAM) insiders reported 0 open-market purchases totaling $0 and 292 sales totaling $758.1M. That is a net selling position of $758.1M.
How many insiders trade SAM stock?
16 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for BOSTON BEER CO INC. The most recent filing was accepted on Nov 4, 2025.
Where does Trabud get SAM insider trading data?
All SAM insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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