| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| NxStage Medical, Inc. | D | Common Stock | |||||
| NxStage Medical, Inc. | D | Stock Option (Right to Buy) | |||||
| NxStage Medical, Inc. | M | Common Stock | |||||
| NxStage Medical, Inc. | M | Stock Option (Right to Buy) | |||||
| NxStage Medical, Inc. | A | Stock Option (Right to Buy) |