IZZAR RACHID (Head of Alzheimer's Disease) exercised options at BIOGEN INC.

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

M · 3 exercises

IZZAR RACHID

Filed: 2/10/2026ACC: 0000875045-26-000019

InsiderIZZAR RACHIDCIK 1875506

→

IssuerBIOGEN INC.CIK 875045

Officer· Head of Alzheimer's Disease

Since Jul 2021

-2.04K

Net shares

Net seller

$410.0K

Total sold

Open market trades

0B · 0S

Total transactions

6.89K acquired · 8.93K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+2.04K

Price / share

—

Trade value

—

% of position

33.2%

2/6/2026

6.16K→8.20K

Common Stock

Direct

F · Tax Withholding

−805.00

Price / share

$201.18

Trade value

$161.95K

% of position

9.8%

2/6/2026

8.20K→7.40K

Common Stock

Direct

M · Option Exercise

+1.80K

Price / share

—

Trade value

—

% of position

24.4%

2/6/2026

7.40K→9.20K

Common Stock

Direct

F · Tax Withholding

−458.00

Price / share

$201.18

Trade value

$92.14K

% of position

5.0%

2/6/2026

9.20K→8.74K

Common Stock

Direct

M · Option Exercise

+3.04K

Price / share

—

Trade value

—

% of position

34.8%

2/6/2026

8.74K→11.79K

Common Stock

Direct

F · Tax Withholding

−775.00

Price / share

$201.18

Trade value

$155.91K

% of position

6.6%

2/6/2026

11.79K→11.01K

Total

Net shares

+4.85K

Net value

-$410K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/6/2026	M · Option Exercise	+2.04K	—	—	33.2%	6.16K	8.20K
Common Stock Direct	2/6/2026	F · Tax Withholding	−805.00	$201.18	$161.95K	9.8%	8.20K	7.40K
Common Stock Direct	2/6/2026	M · Option Exercise	+1.80K	—	—	24.4%	7.40K	9.20K
Common Stock Direct	2/6/2026	F · Tax Withholding	−458.00	$201.18	$92.14K	5.0%	9.20K	8.74K
Common Stock Direct	2/6/2026	M · Option Exercise	+3.04K	—	—	34.8%	8.74K	11.79K
Common Stock Direct	2/6/2026	F · Tax Withholding	−775.00	$201.18	$155.91K	6.6%	11.79K	11.01K
Total			+4.85K		-$410K

Derivative Transactions3

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

2.04K shares

−2.04K

Strike price

Held after

0.00

Exercisable

—

2/6/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

1.80K shares

−1.80K

Strike price

Held after

1.80K

Exercisable

—

2/6/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

3.04K shares

−3.04K

Strike price

Held after

6.09K

Exercisable

—

2/6/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Unit Direct	Common Stock2.04K shares	2/6/2026	M · Option Exercise	−2.04K	—	0.00
Restricted Stock Unit Direct	Common Stock1.80K shares	2/6/2026	M · Option Exercise	−1.80K	—	1.80K
Restricted Stock Unit Direct	Common Stock3.04K shares	2/6/2026	M · Option Exercise	−3.04K	—	6.09K