| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| BLPH | VP Clinical Operations & Admin | May 22, 2019 | Option Exercise | $0.61 | 35,827 | 21,797 | 140,216 | May 23, 2019, 04:46 PM |
| BLPH | VP Clinical Operations & Admin | Jun 12, 2018 | Option Exercise | $2.37 | 7,499 | 17,773 | 93,800 | Jun 14, 2018, 04:40 PM |
| BLPH | VP Clinical Operations & Admin | Sep 12, 2016 | Option Exercise | $1.38 | 13,301 | 18,355 | 23,213 | Sep 13, 2016, 08:14 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| BLPH | VP Clinical Operations & Admin | May 22, 2019 | Option Exercise | 21,797 |
| BLPH | VP Clinical Operations & Admin | Jun 12, 2018 | Option Exercise | 17,773 |
| BLPH | VP Clinical Operations & Admin | Sep 12, 2016 | Option Exercise | 18,355 |