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Biogen (BIIB)

Healthcare · Drug Manufacturers - General

12 members of Congress have disclosed 44 trades in Biogen (BIIB) since 2014: 28 buys and 16 sales. The most recent was disclosed on Oct 7, 2026. 1 trade was made by members of a committee that oversees Biogen's industry.

Trades disclosed
44
Members trading
12
Buys / sells
28 / 16
Reported value
$226K–$1M

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What else is happening at BIIB

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Company filings and public records connected to this stock, ordered by when they became public or were first observed.

  1. BIIBFinancial report·SEC EDGAR

    BIIB: 10-Q financial filing

    Filed 10-Q for an event or period dated 2026-09-30. Read the company report for its disclosures.

    Public: Oct 28, 2026, 6:23 AM EDTEvent / period: Sep 30, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

  2. BIIBCompany announcement·SEC EDGAR

    BIIB: Financial results

    Filed 8-K for an event or period dated 2026-10-28. Financial results.

    Public: Oct 28, 2026, 6:07 AM EDTEvent / period: Oct 28, 2026Original source ↗

    1 congressional household disclosed purchases in the past 90 days. See the trades

Committee overlaps

Trades by members of a committee that oversees Biogen's industry. An overlap is a fact about the trade, not evidence of wrongdoing.

Who traded BIIB

All trades

From periodic transaction reports filed under the STOCK Act. Amounts are the ranges members report, and trades can be disclosed up to 45 days after they happen. Nothing here is investment advice.