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BIOGEN INC.

For the period ended Mar 31, 2026. Filed Apr 29, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed Apr 29, 2026

BIIB$253.25-0.6%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Legal Proceedings

ITEM 1. LEGAL PROCEEDINGS

For a discussion of legal proceedings as of March 31, 2026, please read Note 20, Litigation, to our condensed consolidated financial statements included in this report, which is incorporated into this item by reference.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.