GODBOUT SEAN

PrivateCIK: 2057736
Location

CAMBRIDGE, MA

GODBOUT SEAN (Chief Accounting Officer) exercised options at BIOGEN INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises
InsiderGODBOUT SEANCIK 2057736
IssuerBIOGEN INC.CIK 875045
Officer· Chief Accounting Officer
Since Feb 2026
-359.00
Net shares
Net seller
$72.2K
Total sold
0
Open market trades
0B · 0S
9
Total transactions
1.08K acquired · 1.44K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+257.00

Price / share

Trade value

% of position

52.0%
2/6/2026
494.67751.67

Common Stock

Direct
F · Tax Withholding

Shares

76.00

Price / share

$201.18

Trade value

$15.29K

% of position

10.1%
2/6/2026
751.67675.67

Common Stock

Direct
M · Option Exercise

Shares

+305.00

Price / share

Trade value

% of position

45.1%
2/6/2026
675.67980.67

Common Stock

Direct
F · Tax Withholding

Shares

103.00

Price / share

$201.18

Trade value

$20.72K

% of position

10.5%
2/6/2026
980.67877.67

Common Stock

Direct
M · Option Exercise

Shares

+517.00

Price / share

Trade value

% of position

58.9%
2/6/2026
877.671.39K

Common Stock

Direct
F · Tax Withholding

Shares

180.00

Price / share

$201.18

Trade value

$36.21K

% of position

12.9%
2/6/2026
1.39K1.21K
Total

Net shares

+720.00

Net value

-$72.22K

Derivative Transactions3

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

257.00 shares

Shares

257.00

Strike price

0

Held after

0.00

Exercisable

2/6/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

305.00 shares

Shares

305.00

Strike price

0

Held after

305.00

Exercisable

2/6/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

517.00 shares

Shares

517.00

Strike price

0

Held after

1.03K

Exercisable

2/6/2026
GODBOUT SEAN — Insider Transaction (Form 4) Filed Feb 10, 2026 | Finecho