Biogen Inc.

Last updated September 27, 2026

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Organization details

Legal name: Biogen Inc.
Former names: Biogen Idec INC. Idec Pharmaceuticals Corp
Ownership: Public
Status: Active
Sector (GICS): Health Care
SIC code: 2836 — Biological Products, (No Diagnostic Substances)
Jurisdiction of incorporation: Delaware
Headquarters city: Cambridge
Headquarters state / province: Massachusetts
Headquarters country: United States
Fiscal year end: December
Ticker symbol: BIIB
Primary stock exchange: Nasdaq

Identifiers

SEC CIK: 0000875045
EIN: 33-0112644
Wikidata ID: Q864338

Board of directors

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Brian S. Posner · Director
Since 2023
Caroline Dorsa · Director
Since 2023
Christopher Viehbacher · Director · President and CEO
Since 2024
Eric K. Rowinsky · Director
Since 2023
Jesus B. Mantas · Director
Since 2023
Lloyd Minor · Director
Since 2024
Maria C. Freire · Director
Since 2023
Menelas N. Pangalos · Director
Since 2025
Monish D. Patolawala · Director
Since 2024
Stephen A. Sherwin · Director
Since 2023
Susan Langer · Director
Since 2023
William A. Hawkins · Director
Since 2023

Chief executives

Christopher Viehbacher · President and CEO

Dates unknown

Director election results

Annual meeting of June 9, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

10 of this board's directors also sit on 15 other boards. 10 are in the same sector.

Shared director Other board Same sector

Absci Corporation Same sector
via Menelas N. Pangalos
Alexandria Real Estate Equities Inc.
via Maria C. Freire
Arch Capital Group Ltd.
via Brian S. Posner
Bioventus Inc. Same sector
via William A. Hawkins
Braveheart Bio Inc. Same sector
via Christopher Viehbacher
Caris Life Sciences Inc. Same sector
via Lloyd Minor
Duke Energy Corporation (Holding Company)
via Caroline Dorsa
Dyne Therapeutics Inc. Same sector
via Brian S. Posner
Exelixis Inc. Same sector
via Maria C. Freire
Fortress Biotech Inc. Same sector
via Eric K. Rowinsky
Illumina Inc.
via Caroline Dorsa
International Flavors & Fragrances Inc.
via Jesus B. Mantas
MiMedx Group Inc Same sector
via William A. Hawkins
Neurocrine Biosciences Inc. Same sector
via Stephen A. Sherwin
Verastem Inc. Same sector
via Eric K. Rowinsky

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $585; 1 purchase by 1 insider
Sold, last 12 months: $905,414; 4 sales by 2 insiders

Date	Insider	Transaction	Shares	Price	Value
Oct 30, 2026	Grogan Jane Officer (Head of Research)	Option exercise	+695	—	—
Oct 30, 2026	Grogan Jane Officer (Head of Research)	Shares withheld for tax	−345	$253.62	$87,499
Oct 2, 2026	Godbout Sean Officer (Chief Accounting Officer)	Option exercise	+27	—	—
Oct 2, 2026	Godbout Sean Officer (Chief Accounting Officer)	Shares withheld for tax	−8	$219.88	$1,759
Aug 4, 2026	Lloyd Minor Director	Open-market sale	−593	$200.96	$119,169
Aug 3, 2026	Lloyd Minor Director	Open-market sale	−593	$203.34	$120,581
Jun 9, 2026	William A. Hawkins Director	Grant or award	+1,505	—	—
Jun 9, 2026	Stephen A. Sherwin Director	Grant or award	+1,505	—	—
Jun 9, 2026	Eric K. Rowinsky Director	Grant or award	+1,505	—	—
Jun 9, 2026	Jesus B. Mantas Director	Grant or award	+1,505	—	—
Jun 9, 2026	Susan Langer Director	Grant or award	+1,505	—	—
Jun 9, 2026	Monish D. Patolawala Director	Grant or award	+1,505	—	—
Jun 9, 2026	Menelas N. Pangalos Director	Option exercise	+2,370	—	—
Jun 9, 2026	Lloyd Minor Director	Grant or award	+1,505	—	—
Jun 9, 2026	Maria C. Freire Director	Grant or award	+2,005	—	—

Peers

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Questions about Biogen Inc.

Who is the CEO of Biogen Inc.?

Christopher Viehbacher is Biogen Inc.'s President and CEO.

How many directors are on Biogen Inc.'s board?

Biogen Inc.'s board has 12 directors: Brian S. Posner, Caroline Dorsa, Christopher Viehbacher, Eric K. Rowinsky, Jesus B. Mantas, Lloyd Minor, Maria C. Freire, Menelas N. Pangalos, Monish D. Patolawala, Stephen A. Sherwin and 2 others.

Are Biogen Inc. insiders buying or selling shares?

Over the last 12 months, Biogen Inc. insiders bought $585 of shares in 1 purchase and sold $905,414 of shares in 4 sales on the open market, as reported to the SEC on Forms 4 and 5.

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