| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| BLPH | Chief Medical Officer | Sep 10, 2020 | Buy | $10.18 | 4,000 | 40,708 | 4,000 | Sep 14, 2020, 08:31 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| BLPH | Chief Medical Officer | Sep 10, 2020 | Buy | 40,708 |