Biogen
Verified company profile, historical stock prices, congressional disclosure activity, and related government intelligence signals.
BIIB
Biogen
USHealth CareBiotechnology
Market Cap
—
Reported when available
Latest Price
$200.34
Jul 9, 2026
52 Week High
$219.72
52 Week Low
$121.05
Average Volume
1,510,284
Price Records
252
Stock Price History
Hover or tap the chart to inspect date, close price, volume, and daily range.
$200.34+$67.32 (+50.61%)
Congressional Activity
Disclosed Trading Activity
6 disclosed trades
Trades
6
Purchases
5
Sales
1
Members
3
Gilbert Cisneros
Democratic · CaliforniaBiogen Inc. - Common Stock (BIIB) [ST]
Purchase$1,001.00 - $15,000.00Jun 5, 2026
Maria Salazar
Republican · FloridaBiogen Inc. - Common Stock (BIIB) [ST]
Sale$15,001.00 - $50,000.00Jun 2, 2026
Maria Salazar
Republican · FloridaBiogen Inc. - Common Stock (BIIB) [ST]
Purchase$1,001.00 - $15,000.00May 12, 2026
Maria Salazar
Republican · FloridaBiogen Inc. - Common Stock (BIIB) [ST]
Purchase$50,001.00 - $100,000.00May 11, 2026
Maria Salazar
Republican · FloridaBiogen Inc. - Common Stock (BIIB) [ST]
Purchase$1,001.00 - $15,000.00May 11, 2026
Alan Armstrong
Republican · OklahomaBiogen Inc. - Common Stock
Purchase$1,001.00 - $15,000.00Mar 27, 2026
Related Government Activity
Government Signals Connected to BIIB
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