Phillip Samayoa - 15 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
15 Jan 2025
Transactions value $
-$353
Form type
4
Filing time
17 Jan 2025, 16:05:11 UTC
Previous filing
14 Jan 2025
Next filing
17 Apr 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GBIO Common Stock Options Exercise +1.15K +0.9% 128K 15 Jan 2025 Direct F1
transaction GBIO Common Stock Tax liability -$353 -398 -0.31% $0.89 128K 15 Jan 2025 Direct

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 Restricted Stock Units Options Exercise $0 -1.15K -11.12% $0.00 9.17K 15 Jan 2025 Common Stock 1.15K Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents the right to receive one share of the company's common stock.
F2 On January 20, 2023, the reporting person was granted 18,345 restricted stock units. The shares underlying the restricted stock units vest over four years, with 25% of the shares vested on January 15, 2024 and the remaining shares vesting in equal quarterly installments thereafter.