VIEHBACHER CHRISTOPHER (President and CEO) exercised options at BIOGEN INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 2 exercises
Filed: 2/10/2026ACC: 0000875045-26-000024
DirectorOfficer· President and CEO
Since Feb 2026
-10.98K
Net shares
Net seller
$2.21M
Total sold
0
Open market trades
0B · 0S
6
Total transactions
24.46K acquired · 35.44K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+9.01K
Price / share
—
Trade value
—
% of position
54.8%
2/6/2026
16.44K→25.45K
Common Stock
Direct
Shares
−4.36K
Price / share
$201.18
Trade value
$876.34K
% of position
17.1%
2/6/2026
25.45K→21.09K
Common Stock
Direct
Shares
+15.45K
Price / share
—
Trade value
—
% of position
73.3%
2/6/2026
21.09K→36.55K
Common Stock
Direct
Shares
−6.62K
Price / share
$201.18
Trade value
$1.33M
% of position
18.1%
2/6/2026
36.55K→29.92K
Total
Net shares
+13.48K
Net value
-$2.21M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/6/2026 | M · Option Exercise | +9.01K | — | — | 54.8% | 16.44K | 25.45K |
| Common Stock Direct | 2/6/2026 | F · Tax Withholding | −4.36K | $201.18 | $876.34K | 17.1% | 25.45K | 21.09K |
| Common Stock Direct | 2/6/2026 | M · Option Exercise | +15.45K | — | — | 73.3% | 21.09K | 36.55K |
| Common Stock Direct | 2/6/2026 | F · Tax Withholding | −6.62K | $201.18 | $1.33M | 18.1% | 36.55K | 29.92K |
| Total | +13.48K | -$2.21M | ||||||
Derivative Transactions2
Restricted Stock Unit
Direct
Converts to
Common Stock
9.01K shares
Shares
−9.01K
Strike price
0
Held after
9.01K
Exercisable
—
2/6/2026
Restricted Stock Unit
Direct
Converts to
Common Stock
15.45K shares
Shares
−15.45K
Strike price
0
Held after
30.91K
Exercisable
—
2/6/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock9.01K shares | 2/6/2026 | M · Option Exercise | −9.01K | 0 | — | 9.01K |
| Restricted Stock Unit Direct | Common Stock15.45K shares | 2/6/2026 | M · Option Exercise | −15.45K | 0 | — | 30.91K |