Phillip Samayoa - Jul 15, 2024 Form 4 Insider Report for Generation Bio Co. (GBIO)

Role
CHIEF STRATEGY OFFICER
Signature
/s/ Shawna-Gay White
Stock symbol
GBIO
Transactions as of
Jul 15, 2024
Transactions value $
-$987
Form type
4
Date filed
7/17/2024, 04:05 PM
Previous filing
Apr 17, 2024
Next filing
Oct 17, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GBIO Common Stock Options Exercise +1.15K +0.95% 122K Jul 15, 2024 Direct F1, F2
transaction GBIO Common Stock Tax liability -$987 -337 -0.28% $2.93 121K Jul 15, 2024 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 -9.1% $0.00 11.5K Jul 15, 2024 Common Stock 1.15K Direct F1, F3
* 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 Includes 6,719 shares acquired under the company's employee stock purchase plan since April 15, 2024.
F3 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.