InsiderTrades

Form 4 for BIIB Biogen

Accepted 2025-02-10 00:00:00 ET · period of report 2025-02-06 · accession 0001127602-25-003960 · 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 2025-02-10 2025-02-07 BIIB Keeney Adam Head of Corp. Development F - Tax $141.35 -563 1,900 -23% -$79.6K
D 2025-02-10 2025-02-07 BIIB Keeney Adam Head of Corp. Development M - OptEx $0.00 +1,801 2,463 +272% $0
D 2025-02-10 2025-02-07 BIIB Keeney Adam Head of Corp. Development M - OptEx $0.00 -1,801 3,604 -33% $0
D 2025-02-10 2025-02-06 BIIB Keeney Adam Head of Corp. Development A - Grant $0.00 +9,835 9,835 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-02-07 F D 563 $141.35 1,900 D — —
2 Common Common Stock 2025-02-07 M A 1,801 $0.00 2,463 D — —
3 Derivative Restricted Stock Unit 2025-02-07 M D 1,801 $0.00 3,604 D $0.00 · — to 2027-02-07 1,801 Common Stock (F2) The restricted stock units vest in three (3) equal annual installments, commencing one year after the grant date of 02/07/2024.
4 Derivative Restricted Stock Unit 2025-02-06 A A 9,835 $0.00 9,835 D $0.00 · — to 2028-02-06 9,835 Common Stock (F1) The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of February 6, 2025.