Viehbacher Christopher
SEC insider (Form 3/4/5 filer). CIK 0001774478. Director at Braveheart Bio, Inc. (BRVE) and 1 other issuer. 12 reported Form 4/5 transactions since Sep 2024; latest on Aug 7, 2026. Located in SAN FRANCISCO, CA.
Companies Viehbacher Christopher has filed insider reports for
- Braveheart Bio, Inc. (BRVE): Director
- BIOGEN INC. (BIIB): Director, Officer, President and CEO
Viehbacher Christopher
CIK: 0001774478
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (12 total)
- Aug 7, 2026BRVE
Braveheart Bio, Inc.
PurchaseDirect83.3K shares at avg. $18.00$1.5M - Aug 5, 2026BRVE
Braveheart Bio, Inc.
AwardDirectStock Option (Right to Buy)
30K shares- - Feb 13, 2026BIIB
BIOGEN INC.
AwardDirectRestricted Stock Unit
38K shares- - Feb 6, 2026BIIB
BIOGEN INC.
ExerciseDirect15.5K shares- - Feb 6, 2026BIIB
BIOGEN INC.
ExerciseDirect9K shares- - Feb 6, 2026BIIB
BIOGEN INC.
Tax PaymentDirect4.4K shares at avg. $201.18$876K - Feb 6, 2026BIIB
BIOGEN INC.
Tax PaymentDirect6.6K shares at avg. $201.18$1.3M - Dec 1, 2025BIIB
BIOGEN INC.
Tax PaymentDirect3.4K shares at avg. $177.78$605K - Dec 1, 2025BIIB
BIOGEN INC.
ExerciseDirect7K shares- - Feb 7, 2025BIIB
BIOGEN INC.
Tax PaymentDirect3.2K shares at avg. $141.35$452K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 7, 2026 |  BRVE Braveheart Bio, Inc. | Purchase | 83,333 | $18.00 | $1,499,994 | Direct |
| Aug 5, 2026 | BRVE Braveheart Bio, Inc. | Award Stock Option (Right to Buy) | 30,000 | - | - | Direct |
| Feb 13, 2026 |  BIIB BIOGEN INC. | Award Restricted Stock Unit | 38,015 | - | - | Direct |
| Feb 6, 2026 | BIIB BIOGEN INC. | Exercise | 15,453 | - | $0 | Direct |
| Feb 6, 2026 | BIIB BIOGEN INC. | Exercise | 9,008 | - | $0 | Direct |
| Feb 6, 2026 | BIIB BIOGEN INC. | Tax Payment | 4,356 | $201.18 | $876,340 | Direct |
| Feb 6, 2026 | BIIB BIOGEN INC. | Tax Payment | 6,624 | $201.18 | $1,332,616 | Direct |
| Dec 1, 2025 | BIIB BIOGEN INC. | Tax Payment | 3,404 | $177.78 | $605,163 | Direct |
| Dec 1, 2025 | BIIB BIOGEN INC. | Exercise | 7,040 | - | - | Direct |
| Feb 7, 2025 | BIIB BIOGEN INC. | Tax Payment | 3,201 | $141.35 | $452,461 | Direct |
1-10 of 12 transactions