A
$ Value
$0
Shares
30,000
Price
$0
Filed
Jun 6
Insider
Name
Appelhans Dannielle
Title
—
CIK
0001874962
Roles
Director
Transaction Details
Transaction Date
2025-06-04
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
30,000
Footnotes
This option was granted on June 4, 2025. The shares underlying the option will fully vest on the earlier of: June 4, 2026 and the date of Generation Bio's 2026 annual meeting of stockholders.
Filing Info
Appelhans Dannielle's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-02-09 | GBIO | U | — |
| 2026-02-09 | GBIO | U | — |
| 2026-02-09 | GBIO | D | — |
| 2026-02-09 | GBIO | D | — |
| 2026-02-09 | GBIO | D | — |
| 2026-02-09 | GBIO | D | — |
| 2025-06-04 | GBIO | A | $0 |
Other Insiders at GBIO (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| JONAS JEFFREY M | — | — | 2026-02-09 |
| Rowland Charles A Jr | — | — | 2026-02-09 |
| Christensen Gustav | — | — | 2026-02-09 |
| Quinn Anthony G. | — | — | 2026-02-09 |
| Rhodes Jason P | — | — | 2026-02-09 |
| Atlas Venture Fund X, L.P. | — | — | 2026-02-09 |
| Cooper Ronald Harold Wilfred | — | — | 2026-02-09 |
| Stehman-Breen Catherine | — | — | 2026-02-09 |
| MCDONOUGH GEOFF | — | — | 2026-02-09 |
| Nicholson Donald William | — | — | 2026-02-09 |
|
Howze Yalonda
INTERIM CEO & PRESIDENT
|
— | — | 2026-02-02 |
|
Howze Yalonda
INTERIM CEO AND PRESIDENT
|
— | — | 2026-02-09 |
| Appelhans Dannielle | — | — | 2026-02-09 |
|
Conway Kevin John
CHIEF FINANCIAL OFFICER
|
— | — | 2026-02-09 |
|
Conway Kevin John
Chief Financial Officer
|
— | — | 2026-02-02 |