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BIOGEN INC

For the period ended Dec 31, 2023. Filed Feb 14, 2024.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2023 · Filed Feb 14, 2024

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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Item 15. Exhibits and Financial Statement Schedules

a. (1) Consolidated Financial Statements:

The following financial statements are filed as part of this report:

Financial StatementsPage Number
Consolidated Statements of IncomeF-2
Consolidated Statements of Comprehensive IncomeF-3
Consolidated Balance SheetsF-4
Consolidated Statements of Cash FlowF-5
Consolidated Statements of EquityF-6
Notes to Consolidated Financial StatementsF-9
Report of Independent Registered Public Accounting Firm (PCAOB ID 238)F-83

Certain totals may not sum due to rounding.

(2) Exhibits

The exhibits listed on the Exhibit Index beginning on page 98, which is incorporated herein by reference, are filed or furnished as part of this report or are incorporated into this report by reference.

(3) Financial Statement Schedules

Schedules are omitted because they are not applicable, or are not required, or because the information is included in the consolidated financial statements and notes thereto.

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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.