Arkolith/Insider Trading/BIIB/Form 4

Kramer Robin

Chief Financial OfficerBIOGEN INC. (BIIB) · full profile →Form 4 · filed Feb 10, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
9
6 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 6, 2026Option exercise(M)703—$09K
Feb 6, 2026Option exercise(M)4K—$013K
Feb 6, 2026Tax withholding(F)1K$201.18$214K11K
Feb 6, 2026Tax withholding(F)273$201.18$55K9K
Feb 6, 2026Option exercise(M)789—$09K
Feb 6, 2026Tax withholding(F)207$201.18$42K9K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 6, 2026Option exercise(M)789—$00
Feb 6, 2026Option exercise(M)703—$0704
Feb 6, 2026Option exercise(M)4K—$07K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000875045-26-000021) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML