Antoinette Paone - Feb 10, 2022 Form 3 Insider Report for Generation Bio Co. (GBIO)

Role
CHIEF OPERATING OFFICER
Signature
/s/ Jennifer Elliott, Attorney-in-Fact
Stock symbol
GBIO
Transactions as of
Feb 10, 2022
Transactions value $
$0
Form type
3
Date filed
2/11/2022, 03:06 PM
Next filing
Jul 19, 2022

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
holding GBIO Stock Option (right to buy) Feb 10, 2022 Common Stock 105K $4.59 Direct F1
holding GBIO Stock Option (right to buy) Feb 10, 2022 Common Stock 14.2K $5.16 Direct F2
holding GBIO Stock Option (right to buy) Feb 10, 2022 Common Stock 14.2K $5.16 Direct F3
holding GBIO Stock Option (right to buy) Feb 10, 2022 Common Stock 53.8K $5.16 Direct F4
holding GBIO Stock Option (right to buy) Feb 10, 2022 Common Stock 31.5K $30.25 Direct F5
holding GBIO Stock Option (right to buy) Feb 10, 2022 Common Stock 66K $6.49 Direct F6
holding GBIO Restricted Stock Units Feb 10, 2022 Common Stock 33K Direct F7, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option to purchase 113,230 shares was granted on December 6, 2018. The shares underlying the option vest over four years, with 25% of the shares vested on October 1, 2019 and the remaining shares vesting in equal quarterly installments thereafter.
F2 The option to purchase 14,153 shares was granted on March 5, 2020. The shares underlying the option vest in full upon the date on which the Board of Directors of the Issuer determines that the Issuer has dosed the initial patient in its first clinical trial, provided that such event occurs on or before July 1, 2023.
F3 The option to purchase 14,153 shares was granted on March 5, 2020. The shares underlying the option vest over four years, with 25% of the shares vested on March 5, 2021 and the remaining shares vesting in equal quarterly installments thereafter.
F4 The option to purchase 53,784 shares of common stock was granted on March 5, 2020. The shares underlying the option vest over four years, with 25% of the shares vested on February 1, 2021 and the remaining shares vesting in equal quarterly installments thereafter.
F5 The option to purchase 31,500 shares of common stock was granted on January 22, 2021. The shares underlying the option vest over four years, with 25% of the shares vested on January 22, 2022 and the remaining shares vesting in equal quarterly installments thereafter.
F6 The option to purchase 66,000 shares of common stock was granted on January 21, 2022. The shares underlying the option vest over four years, with 25% of the shares vesting on January 21, 2023 and the remaining shares vesting in equal quarterly installments thereafter.
F7 The shares underlying the restricted stock units vest over two years, with 25% of the shares vesting on July 15, 2022 and the remaining shares vesting in equal quarterly installments thereafter.
F8 Each restricted stock unit represents the right to receive one share of the company's common stock.