| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PRPO | Stock Option (Right to Buy) | Award | +25K | 25K | Aug 3, 2021 | Common Stock | 25K | $3.22 | Direct | F1, F2 | 
| Id | Content | 
|---|---|
| F1 | The options shall vest in twelve equal monthly installments beginning on the one month anniversary of the date of the issuance | 
| F2 | Issued pursuant to the Issuer's Equity Incentive Plan in consideration for the Reporting Person's service as a director of the Issuer |