InsiderTrades

Form 4 for BIIB Biogen

Accepted 2025-02-12 00:00:00 ET · period of report 2025-02-10 · accession 0001127602-25-004462 · 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 Singhal Priya Head of Development M - OptEx $0.00 +1,212 9,423 +15% $0
D 2025-02-12 2025-02-10 BIIB Singhal Priya Head of Development F - Tax $142.54 -357 9,066 -4% -$50.9K
D 2025-02-12 2025-02-10 BIIB Singhal Priya Head of Development M - OptEx $0.00 -1,212 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 1,212 $0.00 9,423.48 D — —
2 Common Common Stock 2025-02-10 F D 357 $142.54 9,066.48 D — —
3 Derivative Restricted Stock Unit 2025-02-10 M D 1,212 $0.00 0 D $0.00 · — to 2025-02-10 1,212 Common Stock (F1) This award was granted to the reporting person on February 10, 2022 and will vest in three equal installments on each anniversary of the grant date.