MCDONOUGH GEOFF (See Remarks) exercised options at GENERATION BIO CO.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 2/4/2026ACC: 0001732701-26-000004
DirectorOfficer10% Owner· See Remarks
Since Jun 2020
-550.00
Net shares
Net seller
$3.1K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
1.58K acquired · 2.13K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+1.58K
Price / share
—
Trade value
—
% of position
1.2%
2/2/2026
137.46K→139.04K
Common Stock
Direct
Shares
−550.00
Price / share
$5.64
Trade value
$3.10K
% of position
0.4%
2/2/2026
139.04K→138.49K
Total
Net shares
+1.03K
Net value
-$3.10K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/2/2026 | M · Option Exercise | +1.58K | — | — | 1.2% | 137.46K | 139.04K |
| Common Stock Direct | 2/2/2026 | F · Tax Withholding | −550.00 | $5.64 | $3.10K | 0.4% | 139.04K | 138.49K |
| Total | +1.03K | -$3.10K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
1.58K shares
Shares
−1.58K
Strike price
Held after
0.00
Exercisable
—
2/2/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock1.58K shares | 2/2/2026 | M · Option Exercise | −1.58K | — | 0.00 |
Non-Derivative Holdings (Post-Transaction)2
Common Stock
IndirectShares owned22.65K
Common Stock
IndirectShares owned27.50K
Total
50.15K indirect50.15K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 22.65K | Indirect |
| Common Stock | 27.50K | Indirect |
| Total | 50.15K | 50.15K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported