Samayoa Phillip 4
4 · Generation Bio Co. · Filed Oct 17, 2025
Insider Transaction Report
Form 4
Samayoa Phillip
CHIEF SCIENTIFIC OFFICER
Transactions
- Exercise/Conversion
Common Stock
2025-10-15+114→ 14,172 total - Exercise/Conversion
Restricted Stock Units
2025-10-15−114→ 573 total→ Common Stock (114 underlying) - Tax Payment
Common Stock
2025-10-15$6.71/sh−34$228→ 14,138 total
Footnotes (3)
- [F1]Amounts reported in this Form 4 reflect the one-for-10 reverse stock split effected by the issuer on July 21, 2025.
- [F2]Each restricted stock unit represents the right to receive one share of the company's common stock.
- [F3]On January 20, 2023, the reporting person was granted 1,834 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.