GROGAN JANE (Head of Research) 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: 0000875045-26-000018
-991.00
Net shares
Net seller
$199.4K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
3.26K acquired · 4.25K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+1.39K
Price / share
—
Trade value
—
% of position
77.3%
2/6/2026
1.79K→3.18K
Common Stock
Direct
Shares
−407.00
Price / share
$201.18
Trade value
$81.88K
% of position
12.8%
2/6/2026
3.18K→2.77K
Common Stock
Direct
Shares
+1.87K
Price / share
—
Trade value
—
% of position
67.6%
2/6/2026
2.77K→4.64K
Common Stock
Direct
Shares
−584.00
Price / share
$201.18
Trade value
$117.49K
% of position
12.6%
2/6/2026
4.64K→4.06K
Total
Net shares
+2.27K
Net value
-$199.37K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/6/2026 | M · Option Exercise | +1.39K | — | — | 77.3% | 1.79K | 3.18K |
| Common Stock Direct | 2/6/2026 | F · Tax Withholding | −407.00 | $201.18 | $81.88K | 12.8% | 3.18K | 2.77K |
| Common Stock Direct | 2/6/2026 | M · Option Exercise | +1.87K | — | — | 67.6% | 2.77K | 4.64K |
| Common Stock Direct | 2/6/2026 | F · Tax Withholding | −584.00 | $201.18 | $117.49K | 12.6% | 4.64K | 4.06K |
| Total | +2.27K | -$199.37K | ||||||
Derivative Transactions2
Restricted Stock Unit
Direct
Converts to
Common Stock
1.39K shares
Shares
−1.39K
Strike price
0
Held after
1.39K
Exercisable
—
2/6/2026
Restricted Stock Unit
Direct
Converts to
Common Stock
1.87K shares
Shares
−1.87K
Strike price
0
Held after
3.75K
Exercisable
—
2/6/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock1.39K shares | 2/6/2026 | M · Option Exercise | −1.39K | 0 | — | 1.39K |
| Restricted Stock Unit Direct | Common Stock1.87K shares | 2/6/2026 | M · Option Exercise | −1.87K | 0 | — | 3.75K |