| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Repligen Corporation CHIEF PRODUCT OFFICER | A | Common Stock | |||||
| Repligen Corporation CHIEF PRODUCT OFFICER | A | Stock Option (Right to Buy) | |||||
| Repligen Corporation CHIEF PRODUCT OFFICER | F | Common Stock | |||||
| Repligen Corporation CHIEF PRODUCT OFFICER | F | Common Stock | |||||
| Repligen Corporation CHIEF PRODUCT OFFICER | A | Common Stock |