Kevin John Conway - 10 Jan 2025 Form 4 Insider Report for Generation Bio Co. (GBIO)

Signature
/s/ Shawna-Gay White, Attorney-in-Fact
Issuer symbol
GBIO
Transactions as of
10 Jan 2025
Net transactions value
$0
Form type
4
Filing time
14 Jan 2025, 16:16:27 UTC
Next filing
17 Jan 2025

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GBIO Stock Option (right to buy) Award $0 +355,260 $0.000000 355,260 10 Jan 2025 Common Stock 355,260 $0.9260 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option to purchase 355,260 shares was granted on January 10, 2025. The shares underlying the option vest over four years, with 25% of the shares vesting on January 10, 2026 and the remaining shares vesting in equal quarterly installments thereafter.