Track public congressional STOCK Act disclosures involving BIIB. This becomes powerful when paired with insider Form 4 activity on the same ticker.
Amounts are reported as ranges and may lag the transaction date by up to 45 days under STOCK Act rules.
| Disclosure | Politician | Asset | Type | Owner | Amount | Copy Signal |
|---|---|---|---|---|---|---|
|
March 9, 2026
Trade Feb. 6, 2026
|
?
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|
BIIB
Biogen Inc.
|
Sell | Spouse | $1,001 – $15,000 |
-3.3%
Trade price $201.18 → $194.59
Since politician trade: -3.3%
Disclosure price $188.24 → $194.59
Since public filing: +3.4%
Max since buy 1.7% ·
Filed after 31 days
|
|
Feb. 6, 2026
Trade Jan. 29, 2026
|
?
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|
BIIB
Biogen Inc.
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $176.18 → $194.59
Since politician trade: +10.4%
Disclosure price $201.18 → $194.59
Since public filing: -3.3%
Max since buy 16.1% ·
Filed after 8 days
|
|
March 6, 2025
Trade Feb. 25, 2025
|
?
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|
BIIB
Biogen Inc.
|
Buy | Dependent child | $1,001 – $15,000 |
+35.6%
Trade price $143.46 → $194.59
Since politician trade: +35.6%
Disclosure price $147.37 → $194.59
Since public filing: +32.0%
Max since buy 42.6% ·
Filed after 9 days
|
|
March 6, 2025
Trade Feb. 19, 2025
|
?
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|
BIIB
Biogen Inc.
|
Buy | Spouse | $1,001 – $15,000 |
+42.4%
Trade price $136.68 → $194.59
Since politician trade: +42.4%
Disclosure price $147.37 → $194.59
Since public filing: +32.0%
Max since buy 49.6% ·
Filed after 15 days
|
|
Nov. 14, 2022
Trade Oct. 21, 2022
|
Michael McCaul
House · Republican · TX
|
BIIB
Biogen Inc.
|
Sell | Dependent child | $15,001 – $50,000 |
-27.3%
Trade price $267.62 → $194.59
Since politician trade: -27.3%
Disclosure price $299.06 → $194.59
Since public filing: -34.9%
Max since buy 18.9% ·
Filed after 24 days
|
|
June 14, 2022
Trade May 5, 2022
|
Michael McCaul
House · Republican · TX
|
BIIB
Biogen Inc.
|
Sell | Spouse | $1,001 – $15,000 |
-3.3%
Trade price $201.18 → $194.59
Since politician trade: -3.3%
Disclosure price $194.18 → $194.59
Since public filing: +0.2%
Max since buy 58.1% ·
Filed after 40 days
|
|
April 17, 2022
Trade March 17, 2022
|
?
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|
BIIB
Biogen Inc.
|
Sell | Joint | $1,001 – $15,000 |
-5.2%
Trade price $205.32 → $194.59
Since politician trade: -5.2%
Disclosure price $212.54 → $194.59
Since public filing: -8.4%
Max since buy 54.9% ·
Filed after 31 days
|
|
Feb. 18, 2022
Trade Jan. 10, 2022
|
?
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|
BIIB
Biogen Inc.
|
Buy | Joint | $1,001 – $15,000 |
-17.3%
Trade price $235.31 → $194.59
Since politician trade: -17.3%
Disclosure price $209.79 → $194.59
Since public filing: -7.2%
Max since buy 35.2% ·
Filed after 39 days
|
|
Jan. 10, 2022
Trade Dec. 9, 2021
|
?
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|
BIIB
Biogen Inc.
|
Sell | Joint | $1,001 – $15,000 |
-16.3%
Trade price $232.43 → $194.59
Since politician trade: -16.3%
Disclosure price $235.31 → $194.59
Since public filing: -17.3%
Max since buy 36.8% ·
Filed after 32 days
|
|
Nov. 15, 2021
Trade Oct. 18, 2021
|
?
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|
BIIB
Biogen Inc.
|
Buy | Joint | $1,001 – $15,000 |
Hot deal
Trade price $269.73 → $194.59
Since politician trade: -27.9%
Disclosure price $271.82 → $194.59
Since public filing: -28.4%
Max since buy 17.9% ·
Filed after 28 days
|
|
Oct. 13, 2021
Trade Sept. 15, 2021
|
?
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|
BIIB
Biogen Inc.
|
Sell | Joint | $1,001 – $15,000 |
-35.0%
Trade price $299.21 → $194.59
Since politician trade: -35.0%
Disclosure price $283.65 → $194.59
Since public filing: -31.4%
Max since buy 6.3% ·
Filed after 28 days
|
|
July 15, 2021
Trade June 8, 2021
|
?
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|
BIIB
Biogen Inc.
|
Buy | Joint | $1,001 – $15,000 |
Hot deal
Trade price $395.37 → $194.59
Since politician trade: -50.8%
Disclosure price $328.16 → $194.59
Since public filing: -40.7%
Max since buy 4.9% ·
Filed after 37 days
|
|
Aug. 10, 2020
Trade July 7, 2020
|
?
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|
BIIB
Biogen Inc.
|
Buy | Joint | $1,001 – $15,000 |
-27.5%
Trade price $268.35 → $194.59
Since politician trade: -27.5%
Disclosure price $300.26 → $194.59
Since public filing: -35.2%
Max since buy 54.5% ·
Filed after 34 days
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|
Nov. 16, 2018
Trade Oct. 29, 2018
|
?
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|
BIIB
Biogen Inc.
|
Sell | Joint | $1,001 – $15,000 |
-35.4%
Trade price $300.96 → $194.59
Since politician trade: -35.4%
Disclosure price $324.05 → $194.59
Since public filing: -40.0%
Max since buy 37.8% ·
Filed after 18 days
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|
Oct. 2, 2018
Trade July 24, 2018
|
?
Subscribe to reveal identity
|
BIIB
Biogen Inc.
|
Buy | Joint | $1,001 – $15,000 |
Hot deal
Trade price $372.84 → $194.59
Since politician trade: -47.8%
Disclosure price $345.41 → $194.59
Since public filing: -43.7%
Max since buy 11.2% ·
Filed after 70 days
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