InsiderTrades

Form 4 for BIIB Biogen

Accepted 2025-02-12 00:00:00 ET · period of report 2025-02-10 · accession 0001127602-25-004461 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-02-12 2025-02-10 BIIB Murphy Nicole Head of Pharm Ops, Tech M - OptEx $0.00 +2,272 14.7K +18% $0
D 2025-02-12 2025-02-10 BIIB Murphy Nicole Head of Pharm Ops, Tech F - Tax $142.54 -670 14.1K -5% -$95.5K
D 2025-02-12 2025-02-10 BIIB Murphy Nicole Head of Pharm Ops, Tech M - OptEx $0.00 -2,272 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-02-10 M A 2,272 $0.00 14,725.37 D — —
2 Common Common Stock 2025-02-10 F D 670 $142.54 14,055.37 D — —
3 Derivative Restricted Stock Unit 2025-02-10 M D 2,272 $0.00 0 D $0.00 · — to 2025-02-10 2,272 Common Stock (F1) The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of February 10, 2022.