| Accession Number: | 0001415889-22-006482 |
| Date: | 2022-06-09 |
| Issuer: | GENERATION BIO CO. (GBIO) |
| Original Submission Date: |
COOPER RONALD HAROLD WILFRED
C/O GENERATION BIO CO., 301 BINNEY ST
CAMBRIDGE, MA 02142
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STOCK OPTION (RIGHT TO BUY) | 6.19 | 2022-06-09 | deemed execution date | A | 19,200 (a) | 2032-06-08 | common stock 19,200 | $6.19 | 19,200 | direct |
| ID | footnote |
|---|---|
| f1 | this option was granted on june 9, 2022. the shares underlying the option will fully vest on the earlier of: june 9, 2023 and the date of generation bio's 2023 annual meeting of stockholders. |
