Arkolith/Insider Trading/BIIB/Form 4

Gregory Ginger

EVP, Human ResourcesBIOGEN 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)4K—$023K
Feb 6, 2026Option exercise(M)2K—$019K
Feb 6, 2026Tax withholding(F)791$201.18$159K19K
Feb 6, 2026Option exercise(M)2K—$020K
Feb 6, 2026Tax withholding(F)666$201.18$134K20K
Feb 6, 2026Tax withholding(F)1K$201.18$228K22K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 6, 2026Option exercise(M)4K—$07K
Feb 6, 2026Option exercise(M)2K—$02K
Feb 6, 2026Option exercise(M)2K—$00

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000875045-26-000017) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML