Key facts
- This page summarizes Robin Kramer's Form 4 filing for BIOGEN INC. (BIIB).
- 7 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 10 Feb 2025, 18:48.
Robin Kramer - 06 Feb 2025 Form 4 Insider Report for BIOGEN INC. (BIIB)
- Reporting relationship
- Chief Accounting Officer
- Issuer ticker
- BIIB
- Reported as of
- 06 Feb 2025
- Net transaction value
- -$67,283
- SEC form
- 4
- Accepted by SEC
- 10 Feb 2025, 18:48:37 UTC
- Prior SEC filing
- 07 Feb 2025
- Next SEC filing
- 12 Feb 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Samuel Ntonme, attorney-in-fact for Robin Kramer
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Robin Kramer filed Form 4 for BIOGEN INC. (BIIB) on 10 Feb 2025.
Change
- Previous filing in this sequence was filed on 07 Feb 2025.
- Current net transaction value: -$67,283.
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
- +788
- Change %
- +12%
- Price
- $0.000000
- Shares after
- 7,196
- Date
- 07 Feb 2025
- Ownership
- Direct
BIIB
transaction
Common Stock
Tax liability
- Transaction value
- $32,793
- Shares
- -232
- Change %
- -3.2%
- Price
- $141.35
- Shares after
- 6,964
- Date
- 07 Feb 2025
- Ownership
- Direct
BIIB
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +703
- Change %
- +10%
- Price
- $0.000000
- Shares after
- 7,667
- Date
- 07 Feb 2025
- Ownership
- Direct
BIIB
transaction
Common Stock
Tax liability
- Transaction value
- $34,489
- Shares
- -244
- Change %
- -3.2%
- Price
- $141.35
- Shares after
- 7,423
- Date
- 07 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
Award
- Transaction value
- $0
- Shares
- +10,535
- Change %
- Price
- $0.000000
- Shares after
- 10,535
- Date
- 06 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 10,535
- Exercise price
- $0.000000
- Footnotes
- F1
BIIB
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -788
- Change %
- -50%
- Price
- $0.000000
- Shares after
- 789
- Date
- 07 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 788
- Exercise price
- $0.000000
- Footnotes
- F2
BIIB
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -703
- Change %
- -33%
- Price
- $0.000000
- Shares after
- 1,407
- Date
- 07 Feb 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 703
- Exercise price
- $0.000000
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of February 6, 2025.
Footnote F2
The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 02/08/2023.
Footnote F3
The restricted stock units vest in three (3) equal annual installments, commencing one year after the grant date of 02/07/2024.