| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| BLPH | Chief Scientific Officer | May 20, 2015 | Buy | $8.40 | 712 | 5,981 | 19,098 | May 22, 2015, 07:32 AM |
| BLPH | Chief Scientific Officer | Feb 19, 2015 | Buy | $12.00 | 12,000 | 144,000 | 18,386 | Feb 23, 2015, 09:39 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| BLPH | Chief Scientific Officer | May 20, 2015 | Buy | 5,981 |
| BLPH | Chief Scientific Officer | Feb 19, 2015 | Buy | 144,000 |