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Biogen Inc.

NASDAQ: BIIB
Share price (12/19/25): $174.80
Market cap (12/19/25): $25.6 billion

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Key Exhibits

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Underwriting Agreements Filter

EX-1.1

from 8-K 31 pages Biogen Inc. 5.050% Senior Notes Due 2031 5.750% Senior Notes Due 2035 6.450% Senior Notes Due 2055 Underwriting Agreement

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EX-1.1

from 8-K 31 pages Biogen Inc. 2.250% Senior Notes Due 2030 3.150% Senior Notes Due 2050 Underwriting Agreement

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EX-1.01

from SC 13D 1 page Joint Filing Agreement

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EX-1.1

from 8-K 28 pages Biogen Inc. 2.900% Senior Notes Due 2020 3.625% Senior Notes Due 2022 4.050% Senior Notes Due 2025 5.200% Senior Notes Due 2045 Underwriting Agreement

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EX-1.1

from 8-K 31 pages Biogen Idec Inc. 6.000% Senior Notes Due 2013 6.875% Senior Notes Due 2018 Underwriting Agreement

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EX-1.3

from S-3/A ~5 pages Underwriting agreement

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EX-1.2

from S-3/A ~50 pages Underwriting agreement

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EX-1.1

from S-3/A ~50 pages Underwriting agreement

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EX-1.1

from 10-K405 ~50 pages Underwriting agreement

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EX-1.1

from S-3 ~20 pages Form of Underwriting Agreement.

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EX-1.1

from S-3/A ~20 pages Form of Underwriting Agreement.

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Biogen Inc. Watch

Search in Documents

Key Exhibits

External Links

Underwriting Agreements Filter

Biogen Inc.