Insider Transactions Reported by 31 Insiders of BIOGEN INC.

Symbol
BIIB on Nasdaq
Location
Cambridge, MA

Insiders trading volume in the past year

BIOGEN INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Alexander J. Denner Director $163,208,552 15 Jun 2022
Michel Vounatsos Chief Executive Officer, Director $23,909,726 18 Feb 2022
Susan H. Alexander EVP Chief Legal Officer $11,981,713 13 Feb 2026
Stelios Papadopoulos Director $9,498,648 15 Jun 2022
Christopher A. Viehbacher President and CEO, Director $8,566,813 13 Feb 2026
Ginger Gregory EVP, Human Resources $4,498,136 13 Feb 2026
Mr. Chirfi Guindo Head of Glob Prod Strat & Com $4,139,728 18 Feb 2022
Caroline Dorsa Director $3,931,673 +$151,559 +4% 17 Jun 2025
Nicole Murphy Head of Pharm Ops and Tech $3,824,839 +$585 +0.02% 12 Feb 2026
Richard Mulligan Director $3,744,552 15 Jun 2022
Michael R. McDonnell EVP, Chief Financial Officer $3,469,566 10 Feb 2025
Nancy Leaming Director $3,413,224 01 Jul 2021
Eric K. Rowinsky Director $3,086,671 17 Jun 2025
Alfred Sandrock Head of Research & Development $2,521,940 07 Jun 2021
Robin Kramer Chief Financial Officer $2,307,886 13 Feb 2026
Rachid Izzar Head of Global Product Strat. $2,215,192 -$300,105 -12% 13 Feb 2026
Brian S. Posner Director $1,990,200 31 Dec 2022
Stephen A. Sherwin Director $1,735,912 17 Jun 2025
Adam Keeney Head of Corporate Development $1,692,564 13 Feb 2026
Priya Singhal Head of Development $1,607,261 -$1,215,217 -43% 13 Feb 2026
Alphonse Galdes EVP Pharmaceutical Oper & Tech $1,496,307 19 Jan 2022
Jesus B. Mantas Director $1,237,509 17 Jun 2025
Jane Grogan Head of Research $1,207,928 13 Feb 2026
William A. Hawkins III Director $1,123,625 17 Jun 2025
Maria C. Freire Director $864,278 17 Jun 2025
Susan K. Langer Director $650,472 17 Jun 2025
William D. /ca/ Jones Director $531,960 15 Jun 2022
Monish D. Patolawala Director $470,502 17 Jun 2025
Sean Godbout Chief Accounting Officer $326,125 13 Feb 2026
Lloyd Minor Director $300,563 17 Jun 2025
Menelas N. Pangalos Director $0 17 Jun 2025

Recent Insider Transactions by Companies or Individuals for BIOGEN INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Christopher A. Viehbacher BIIB Restricted Stock Unit Award 38,015 38,015 13 Feb 2026 Direct
Priya Singhal BIIB Restricted Stock Unit Award 10,560 10,560 13 Feb 2026 Direct
Nicole Murphy BIIB Restricted Stock Unit Award 10,560 10,560 13 Feb 2026 Direct
Robin Kramer BIIB Restricted Stock Unit Award 8,450 8,450 13 Feb 2026 Direct
Adam Keeney BIIB Restricted Stock Unit Award 8,025 8,025 13 Feb 2026 Direct
Rachid Izzar BIIB Restricted Stock Unit Award 7,390 7,390 13 Feb 2026 Direct
Jane Grogan BIIB Restricted Stock Unit Award 8,450 8,450 13 Feb 2026 Direct
Ginger Gregory BIIB Restricted Stock Unit Award 8,025 8,025 13 Feb 2026 Direct
Sean Godbout BIIB Restricted Stock Unit Award 1,800 1,800 13 Feb 2026 Direct
Susan H. Alexander BIIB Restricted Stock Unit Award 8,450 8,450 13 Feb 2026 Direct
Nicole Murphy BIIB Common Stock Purchase 0.02% $585 $195.04 3 19,611 12 Feb 2026 Direct
Priya Singhal BIIB Common Stock Sale -24.8% $531,548 $199.83 -2,660 8,043 09 Feb 2026 Direct
Christopher A. Viehbacher BIIB Common Stock Tax liability -34.2% -10,980 21,095 06 Feb 2026 Direct
Christopher A. Viehbacher BIIB Common Stock Options Exercise 202.4% 24,461 36,548 06 Feb 2026 Direct
Christopher A. Viehbacher BIIB Restricted Stock Unit Options Exercise -73.1% -24,461 9,009 06 Feb 2026 Direct
Priya Singhal BIIB Common Stock Tax liability -24.9% -2,468 7,432 06 Feb 2026 Direct
Priya Singhal BIIB Common Stock Options Exercise 132.3% 6,900 12,115 06 Feb 2026 Direct
Priya Singhal BIIB Restricted Stock Unit Options Exercise -75.7% -6,900 2,217 06 Feb 2026 Direct
Nicole Murphy BIIB Common Stock Tax liability -17.9% -3,339 15,307 06 Feb 2026 Direct
Nicole Murphy BIIB Common Stock Options Exercise 71% 8,725 21,016 06 Feb 2026 Direct
Nicole Murphy BIIB Restricted Stock Unit Options Exercise -100% -8,725 0 06 Feb 2026 Direct
Robin Kramer BIIB Common Stock Tax liability -15.3% -1,543 8,528 06 Feb 2026 Direct
Robin Kramer BIIB Common Stock Options Exercise 66.4% 5,003 12,535 06 Feb 2026 Direct
Robin Kramer BIIB Restricted Stock Unit Options Exercise -100% -5,003 0 06 Feb 2026 Direct
Adam Keeney BIIB Common Stock Tax liability -30.6% -1,583 3,597 06 Feb 2026 Direct
Adam Keeney BIIB Common Stock Options Exercise 283% 5,080 6,875 06 Feb 2026 Direct
Adam Keeney BIIB Restricted Stock Unit Options Exercise -73.8% -5,080 1,802 06 Feb 2026 Direct
Rachid Izzar BIIB Common Stock Tax liability -21.6% -2,038 7,399 06 Feb 2026 Direct
Rachid Izzar BIIB Common Stock Options Exercise 140.7% 6,889 11,786 06 Feb 2026 Direct
Rachid Izzar BIIB Restricted Stock Unit Options Exercise -100% -6,889 0 06 Feb 2026 Direct
Jane Grogan BIIB Common Stock Tax liability -26.4% -991 2,769 06 Feb 2026 Direct
Jane Grogan BIIB Common Stock Options Exercise 235.4% 3,258 4,642 06 Feb 2026 Direct
Jane Grogan BIIB Restricted Stock Unit Options Exercise -70.2% -3,258 1,385 06 Feb 2026 Direct
Ginger Gregory BIIB Common Stock Tax liability -12.2% -2,589 18,609 06 Feb 2026 Direct
Ginger Gregory BIIB Common Stock Options Exercise 44% 7,183 23,491 06 Feb 2026 Direct
Ginger Gregory BIIB Restricted Stock Unit Options Exercise -100% -7,183 0 06 Feb 2026 Direct
Sean Godbout BIIB Common Stock Tax liability -34.7% -359 676 06 Feb 2026 Direct
Sean Godbout BIIB Common Stock Options Exercise 341.8% 1,079 1,395 06 Feb 2026 Direct
Sean Godbout BIIB Restricted Stock Unit Options Exercise -100% -1,079 0 06 Feb 2026 Direct
Susan H. Alexander BIIB Common Stock Tax liability -8.57% -3,504 37,396 06 Feb 2026 Direct
Susan H. Alexander BIIB Common Stock Options Exercise 26.4% 9,046 43,321 06 Feb 2026 Direct
Susan H. Alexander BIIB Restricted Stock Unit Options Exercise -100% -9,046 0 06 Feb 2026 Direct
Priya Singhal BIIB Common Stock Sale -10.7% $134,116 $179.30 -748 6,271 02 Feb 2026 Direct
Priya Singhal BIIB Common Stock Tax liability -7.66% -582 7,019 30 Jan 2026 Direct
Priya Singhal BIIB Common Stock Options Exercise 31.7% 1,829 7,601 30 Jan 2026 Direct
Priya Singhal BIIB Restricted Stock Unit Options Exercise -100% -1,829 0 30 Jan 2026 Direct
Christopher A. Viehbacher BIIB Common Stock Tax liability -17.2% -3,404 16,443 01 Dec 2025 Direct
Christopher A. Viehbacher BIIB Common Stock Options Exercise 55% 7,040 19,847 01 Dec 2025 Direct
Christopher A. Viehbacher BIIB Restricted Stock Unit Options Exercise -100% -7,040 0 01 Dec 2025 Direct
Jane Grogan BIIB Common Stock Tax liability -15.8% -337 1,791 31 Oct 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.