BOSTON BEER CO INC (SAM) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-07-08
11:12 am
Purchase
2026-06-3013GBOSTON BEER CO INC
SAM
BlackRock, Inc.
BLK
947,156
11.300%
119,867increase
(+14.49%)
Filing
History
2026-05-14
09:24 am
Purchase
2026-03-3113GBOSTON BEER CO INC
SAM
AQR Capital Management, LLC651,984
7.780%
211,760increase
(+48.10%)
Filing
History
2026-05-06
11:06 am
Sale
2026-03-3113GBOSTON BEER CO INC
SAM
FMR LLC195,365
2.300%
-305,449decrease
(-60.99%)
Filing
History
2026-04-29
12:20 pm
Purchase
2026-03-3113GBOSTON BEER CO INC
SAM
Vanguard Portfolio Management635,388
7.580%
635,388increase
(New Position)
Filing
History
2026-03-26
4:40 pm
Sale
2026-03-1313GBOSTON BEER CO INC
SAM
VANGUARD GROUP INC0
0.000%
-1,039,184decrease
(Position Closed)
Filing
History
2026-02-12
12:13 pm
Sale
2025-12-3113GBOSTON BEER CO INC
SAM
AQR Capital Management, LLC440,224
5.120%
-206,836decrease
(-31.97%)
Filing
History
2026-02-11
10:06 am
Unchanged
2025-12-3113GBOSTON BEER CO INC
SAM
KOCH C JAMES2,271,472
21.620%
0
(Unchanged)
Filing
History
2026-01-30
1:25 pm
Purchase
2025-12-3113GBOSTON BEER CO INC
SAM
VANGUARD GROUP INC1,039,184
12.090%
126,751increase
(+13.89%)
Filing
History
2025-11-14
11:50 am
Purchase
2025-09-3013GBOSTON BEER CO INC
SAM
AQR Capital Management, LLC647,060
7.340%
647,060increase
(New Position)
Filing
History
2025-06-05
2:11 pm
Sale
2025-05-3013GBOSTON BEER CO INC
SAM
VANGUARD GROUP INC912,433
10.050%
-6,064decrease
(-0.66%)
Filing
History
2025-05-14
10:47 am
Sale
2025-03-3113GBOSTON BEER CO INC
SAM
T. Rowe Price Investment Management, Inc.52,713
0.600%
-621,355decrease
(-92.18%)
Filing
History
2025-02-07
08:47 am
Unchanged
2024-12-3113GBOSTON BEER CO INC
SAM
KOCH C JAMES2,271,472
19.990%
0
(Unchanged)
Filing
History
2024-11-14
1:28 pm
Sale
2024-09-3013GBOSTON BEER CO INC
SAM
T. Rowe Price Investment Management, Inc.674,068
7.000%
-257,031decrease
(-27.61%)
Filing
History
2024-11-12
09:50 am
Sale
2024-11-0813GBOSTON BEER CO INC
SAM
FMR LLC500,814
5.191%
-492,220decrease
(-49.57%)
Filing
History
2024-02-14
10:04 am
Sale
2023-12-3113GBOSTON BEER CO INC
SAM
T. Rowe Price Investment Management, Inc.931,099
9.200%
-308,446decrease
(-24.88%)
Filing
History
2024-02-13
5:00 pm
Purchase
2023-12-2913GBOSTON BEER CO INC
SAM
VANGUARD GROUP INC918,497
9.070%
19,568increase
(+2.18%)
Filing
History
2024-02-12
12:56 pm
Unchanged
2024-02-1213GBOSTON BEER CO INC
SAM
KOCH C JAMES2,271,472
18.730%
0
(Unchanged)
Filing
History
2024-01-25
4:59 pm
Sale
2023-12-3113GBOSTON BEER CO INC
SAM
BlackRock, Inc.
BLK
827,289
8.200%
-15,306decrease
(-1.82%)
Filing
History
2024-01-10
08:53 am
Sale
2024-01-0913GBOSTON BEER CO INC
SAM
FMR LLC993,034
9.809%
-540,983decrease
(-35.27%)
Filing
History
2023-02-14
12:40 pm
Sale
2022-12-3113GBOSTON BEER CO INC
SAM
T. Rowe Price Investment Management, Inc.1,239,545
12.100%
-126,016decrease
(-9.23%)
Filing
History
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