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: 11/21/2025ACC: 0001732701-25-000007
DirectorOfficer10% Owner· See Remarks
Since Jun 2020
-293.00
Net shares
Net seller
$1.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
659.00 acquired · 952.00 disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+659.00
Price / share
—
Trade value
—
% of position
0.5%
10/31/2025
136.84K→137.50K
Common Stock
Direct
Shares
−293.00
Price / share
$5.51
Trade value
$1.61K
% of position
0.2%
10/31/2025
137.50K→137.20K
Total
Net shares
+366.00
Net value
-$1.61K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 10/31/2025 | M · Option Exercise | +659.00 | — | — | 0.5% | 136.84K | 137.50K |
| Common Stock Direct | 10/31/2025 | F · Tax Withholding | −293.00 | $5.51 | $1.61K | 0.2% | 137.50K | 137.20K |
| Total | +366.00 | -$1.61K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
527.00 shares
Shares
−659.00
Strike price
Held after
1.98K
Exercisable
—
10/31/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock527.00 shares | 10/31/2025 | M · Option Exercise | −659.00 | — | 1.98K |
Non-Derivative Holdings (Post-Transaction)2
Common Stock
IndirectShares owned27.50K
Common Stock
IndirectShares owned22.65K
Total
50.15K indirect50.15K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 27.50K | Indirect |
| Common Stock | 22.65K | Indirect |
| Total | 50.15K | 50.15K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported