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: 1/16/2026ACC: 0001732701-26-000002
DirectorOfficer10% Owner· See Remarks
Since Jun 2020
+653.00
Net shares
Net buyer
$772.68
Total sold
0
Open market trades
0B · 0S
3
Total transactions
790.00 acquired · 137.00 disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+395.00
Price / share
—
Trade value
—
% of position
0.3%
1/15/2026
137.20K→137.60K
Common Stock
Direct
Shares
−137.00
Price / share
$5.64
Trade value
$772.68
% of position
0.1%
1/15/2026
137.60K→137.46K
Total
Net shares
+258.00
Net value
-$772.68
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/15/2026 | M · Option Exercise | +395.00 | — | — | 0.3% | 137.20K | 137.60K |
| Common Stock Direct | 1/15/2026 | F · Tax Withholding | −137.00 | $5.64 | $772.68 | 0.1% | 137.60K | 137.46K |
| Total | +258.00 | -$772.68 | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
395.00 shares
Shares
+395.00
Strike price
Held after
1.58K
Exercisable
—
1/15/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock395.00 shares | 1/15/2026 | M · Option Exercise | +395.00 | — | 1.58K |
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