Christopher Viehbacher

Companies

• Braveheart Bio, Inc.Board member Aug 5, 2026 to now¹
• BiogenBoard member Nov 21, 2022 to now²
• BiogenChief executive officer Nov 21, 2022 to now²
• BiogenPresident Nov 21, 2022 to now²
• Axcella Health (United States)Board member May 8, 2019 to May 8, 2019³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• BBBraveheart Bio, Inc. BRVE759,857 shares⁴$14.6M at $19.22Aug 7, 2026
• Biogen BIIB29,924 shares⁵$7.0M at $232.66Feb 6, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 7, 2026Bought 83,333 shares at $18.00 of Braveheart Bio, Inc.⁴
• Feb 6, 2026Shares withheld for tax 6,624 shares at $201.18 of Biogen⁵
• Feb 6, 2026Exercised options 15,453 shares of Biogen⁵
• Feb 6, 2026Shares withheld for tax 4,356 shares at $201.18 of Biogen⁵
• Feb 6, 2026Exercised options 9,008 shares of Biogen⁵
• Dec 1, 2025Shares withheld for tax 3,404 shares at $177.78 of Biogen⁶
• Dec 1, 2025Exercised options 7,040 shares of Biogen⁶
• Feb 7, 2025Shares withheld for tax 3,201 shares at $141.35 of Biogen⁷
• Feb 7, 2025Exercised options 9,008 shares of Biogen⁷