Phillip Samayoa - Jan 10, 2025 Form 4 Insider Report for Generation Bio Co. (GBIO)

Role
CHIEF SCIENTIFIC OFFICER
Signature
/s/ Shawna-Gay White, Attorney-in-Fact
Stock symbol
GBIO
Transactions as of
Jan 10, 2025
Transactions value $
$0
Form type
4
Date filed
1/14/2025, 04:05 PM
Previous filing
Oct 17, 2024
Next filing
Jan 17, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GBIO Common Stock 127K Jan 10, 2025 Direct F1

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 +251K $0.00 251K Jan 10, 2025 Common Stock 251K $0.93 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 4,863 shares acquired under the company's employee stock purchase plan since October 15, 2024.
F2 The option to purchase 251,030 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.