Key facts
- This page summarizes Michael R. McDonnell's Form 4 filing for BIOGEN INC. (BIIB).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 12 Feb 2025, 17:46.
Michael R. McDonnell - 10 Feb 2025 Form 4 Insider Report for BIOGEN INC. (BIIB)
- Reporting relationship
- EVP, Chief Financial Officer
- Issuer ticker
- BIIB
- Reported as of
- 10 Feb 2025
- Net transaction value
- -$195,422
- SEC form
- 4
- Accepted by SEC
- 12 Feb 2025, 17:46:02 UTC
- Prior SEC filing
- 10 Feb 2025
- Next SEC filing
- 19 May 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Samuel Ntonme, attorney-in-fact for Michael McDonnell
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael R. McDonnell filed Form 4 for BIOGEN INC. (BIIB) on 12 Feb 2025.
Change
- Previous filing in this sequence was filed on 10 Feb 2025.
- Current net transaction value: -$195,422.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BIIB
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +3,257
- Change %
- +15%
- Price
- $0.000000
- Shares after
- 25,712
- Date
- 10 Feb 2025
- Ownership
- Direct
BIIB
transaction
Common Stock
Tax liability
- Transaction value
- $195,422
- Shares
- -1,371
- Change %
- -5.3%
- Price
- $142.54
- Shares after
- 24,341
- Date
- 10 Feb 2025
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
BIIB
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -3,257
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 10 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,257
- Exercise price
- $0.000000
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of February 10, 2022.