Biogen Inc. – Underwriting Agreements

NASDAQ: BIIB
Share price (7/6/26): $208.46
Market cap (7/6/26): $30.8 billion

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Underwriting Agreements Filter

from SCHEDULE 13D 123 pages Agreement and Plan of Merger by and Among Apellis Pharmaceuticals, Inc., Aspen Purchaser Sub, Inc. and Biogen Inc. Dated as of March 31, 2026

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

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

from SC 13D 1 page Joint Filing Agreement

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

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

from S-3/A ~5 pages Underwriting agreement

from S-3/A ~50 pages Underwriting agreement

from S-3/A ~50 pages Underwriting agreement

from 10-K405 ~50 pages Underwriting agreement

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

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