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BIIB · Biogen Inc.

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$209.83 -0.82 (-0.39%) At close · Aug 14
Market Cap
$30.98B
Shares
147.64M

Stock transactions by members of the U.S. Congress, disclosed under the STOCK Act. Lawmakers must report trades within 45 days, so the filing date can lag the trade itself.

Date Member Type Amount
2026-06-05 Gilbert Cisneros Buy $1K - $15K
2026-06-02 Maria Elvira Salazar Sell $15K - $50K
2026-05-12 Maria Elvira Salazar Buy $1K - $15K
2026-05-11 Maria Elvira Salazar Buy $50K - $100K
2026-05-11 Maria Elvira Salazar Buy $1K - $15K
2026-03-27 Alan Armstrong Buy $1K - $15K
2026-01-30 Gilbert Cisneros Buy $1K - $15K
2025-05-15 Rob Bresnahan Buy $1K - $15K
2025-04-08 Rob Bresnahan Sell $1K - $15K
2025-02-25 Rob Bresnahan Buy $1K - $15K
2023-03-06 Daniel Goldman Sell $1K - $15K
2023-01-23 Shri Thanedar Sell $15K - $50K
2022-08-03 Kathy Manning Sell $1K - $15K
2022-07-20 Kathy Manning Buy $1K - $15K
2022-03-17 Josh Gottheimer Sell $1K - $15K
2022-01-14 Kathy Manning Sell $1K - $15K
2022-01-10 Josh Gottheimer Buy $1K - $15K
2021-12-09 Josh Gottheimer Sell $1K - $15K
2021-10-18 Josh Gottheimer Buy $1K - $15K
2021-09-15 Josh Gottheimer Sell $1K - $15K
2021-06-08 Josh Gottheimer Buy $1K - $15K
2021-02-16 Peter Meijer Sell $15K - $50K
2021-01-04 Christopher L. Jacobs Sell $1K - $15K
2020-12-22 Gilbert Cisneros Sell $1K - $15K
2020-09-16 Gilbert Cisneros Buy $1K - $15K
2020-07-07 Josh Gottheimer Buy $1K - $15K
2020-04-29 Gilbert Cisneros Buy $1K - $15K
2020-03-18 Gilbert Cisneros Sell $1K - $15K
2020-02-07 Gilbert Cisneros Buy $1K - $15K
Showing 1–29 of 29 trades
Key facts CIK 875045 CUSIP 09062X103 13F (30d) 947 filings 910 filers Visit website Investor relations