| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Ceradyne Inc Chief Executive Officer | D | Common Stock | |||||
| Ceradyne Inc Chief Executive Officer | D | Employee Stock Option (Right to Buy) | |||||
| Ceradyne Inc Chief Executive Officer | F | Common Stock | |||||
| Ceradyne Inc Chief Executive Officer | M | Common Stock | |||||
| Ceradyne Inc Chief Executive Officer | M | Restricted Stock Units |