BIOGEN 401(K) SAVINGS PLAN

[ EIN: 33-0112644 | Plan No. 001 ]

According to Department of Labor Form 5500 data, BIOGEN INC. sponsors BIOGEN 401(K) SAVINGS PLAN, categorized as a 401(k) plan. The filing shows 8088 participants and total assets of $1,938,085,017 for the plan year 2023.

These filings allow insight into employer-sponsored plan structure, participation levels, and financial data.

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Plan Sponsor: BIOGEN INC.

Location: 225 BINNEY STREET, CAMBRIDGE, MA 02142

EIN: 330112644

Plan Number: 001

Plan Year: 2023

Plan Size: Large Plan

Plan Entity Type: Defined Contribution

Plan Type: 401(k)

Participants: 8088

Total Assets: $1,938,085,017

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