Are BIIB insiders buying or selling?

Over the last 90 days, BIIB insiders were net sellers, reporting $0.00 of open-market purchases and $239,750 of sales.

When was the last BIIB insider purchase?

No open-market insider purchase of Biogen Inc stock was reported in the last 90 days.

Watch Insiders reads the SEC Form 4 filings that Biogen Inc officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.

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In the last 90 days, 1 Biogen Inc (BIIB) insider reported no open-market purchases and 1 sale totaling $239,750. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

Executive filings

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
Date	Insider name	Role	Type	Shares	Price	Total value
Aug 4, 2026	Lloyd Minor	Corporate insider	Sale	1,186	$202.15	$239,750

Common questions

Are BIIB insiders buying or selling?: Over the last 90 days, BIIB insiders were net sellers, reporting $0.00 of open-market purchases and $239,750 of sales.
When was the last BIIB insider purchase?: No open-market insider purchase of Biogen Inc stock was reported in the last 90 days.
Where does BIIB insider trading data come from?: Watch Insiders reads the SEC Form 4 filings that Biogen Inc officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.

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