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

Signature
/s/ Benjamin Waters, Attorney-in-Fact
Issuer symbol
GBIO
Transactions as of
15 Jan 2024
Net transactions value
-$5,768
Form type
4
Filing time
17 Jan 2024, 17:00:25 UTC
Previous filing
03 Jan 2024
Next filing
17 Apr 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GBIO Common Stock Options Exercise +4,125 +3.8% 111,381 15 Jan 2024 Direct F1
transaction GBIO Common Stock Tax liability $2,731 -1,430 -1.3% $1.91 109,951 15 Jan 2024 Direct
transaction GBIO Common Stock Options Exercise +4,587 +4.2% 114,538 15 Jan 2024 Direct F1
transaction GBIO Common Stock Tax liability $3,037 -1,590 -1.4% $1.91 112,948 15 Jan 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 -4,125 -100% $0.000000* 0 15 Jan 2024 Common Stock 4,125 Direct F1, F2
transaction GBIO Restricted Stock Units Options Exercise $0 -4,587 -25% $0.000000 13,758 15 Jan 2024 Common Stock 4,587 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 On January 21, 2022, the reporting person was granted 33,000 restricted stock units. The shares underlying the restricted stock units vest over two years, with 25% of the shares vested on July 15, 2022 and the remaining shares vesting in equal quarterly installments thereafter.
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.