4//SEC Filing
Samayoa Phillip 4
Accession 0001415889-25-019921
CIK 0001733294other
Filed
Jul 16, 8:00 PM ET
Accepted
Jul 17, 4:10 PM ET
Size
8.8 KB
Accession
0001415889-25-019921
Insider Transaction Report
Form 4
Samayoa Phillip
CHIEF SCIENTIFIC OFFICER
Transactions
- Exercise/Conversion
Common Stock
2025-07-15+1,147→ 140,925 total - Tax Payment
Common Stock
2025-07-15$0.43/sh−337$144→ 140,588 total - Exercise/Conversion
Restricted Stock Units
2025-07-15−1,147→ 6,876 total→ Common Stock (1,147 underlying)
Footnotes (3)
- [F1]Each restricted stock unit represents the right to receive one share of the company's common stock.
- [F2]Includes 11,259 shares acquired under the company's employee stock purchase plan since April 15, 2025.
- [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.
Documents
Issuer
Generation Bio Co.
CIK 0001733294
Entity typeother
Related Parties
1- filerCIK 0001946316
Filing Metadata
- Form type
- 4
- Filed
- Jul 16, 8:00 PM ET
- Accepted
- Jul 17, 4:10 PM ET
- Size
- 8.8 KB