| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 | |
| Y! | CERC | Chief Scientific Officer | Jun 10, 2019 | Buy | $2.85 | 4,549 | 12,953 | 49,549 | Jun 11, 2019, 07:36 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CERC | Chief Scientific Officer | Jun 10, 2019 | Buy | 12,953 |