| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| BLPH | VP of Business Operations | Nov 15, 2019 | Option Exercise | $0.34 | 25,993 | 8,838 | 105,606 | Nov 19, 2019, 04:36 PM |
| BLPH | VP Proj Mgmt & Distribution | Jun 12, 2018 | Option Exercise | $2.37 | 7,144 | 16,931 | 53,094 | Jun 14, 2018, 04:41 PM |
| BLPH | VP Proj Mgmt & Distribution | Jan 04, 2018 | Option Exercise | $2.49 | 23,180 | 57,718 | 39,548 | Jan 08, 2018, 04:52 PM |
| BLPH | VP Proj Mgmt & Distribution | Sep 12, 2016 | Option Exercise | $1.38 | 4,673 | 6,449 | 8,881 | Sep 13, 2016, 08:18 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| BLPH | VP of Business Operations | Nov 15, 2019 | Option Exercise | 8,838 |
| BLPH | VP Proj Mgmt & Distribution | Jun 12, 2018 | Option Exercise | 16,931 |
| BLPH | VP Proj Mgmt & Distribution | Jan 04, 2018 | Option Exercise | 57,718 |
| BLPH | VP Proj Mgmt & Distribution | Sep 12, 2016 | Option Exercise | 6,449 |