| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSTX | Common Stock | Award | $0 | +92,772 | +166% | $0.000000 | 148,526 | 01 Mar 2023 | Direct | F1, F2 |
| transaction | PSTX | Common Stock | Tax liability | $23,128 | -4,323 | -2.9% | $5.35 | 144,203 | 01 Mar 2023 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSTX | Employee Stock Option (Right to Buy) | Award | $0 | +125,283 | $0.000000 | 125,283 | 01 Mar 2023 | Common Stock | 125,283 | $5.35 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Represents shares issuable upon the vesting of restricted stock units granted pursuant to the Issuer's Equity Incentive Plan. The RSUs are scheduled to vest in four equal annual installments. |
| F2 | Includes 2,482 shares acquired by the Reporting Person under the Issuer's 2020 Employee Stock Purchase Plan (the "ESPP") on September 20, 2021; 3,000 shares acquired by the Reporting Person under the ESPP on March 18, 2022, and 272 shares acquired by the Reporting Person under the ESPP on September 20, 2022. |
| F3 | Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of a Restricted Stock Unit Award granted to the Reporting Person on March 1, 2022. |
| F4 | 12.5% of the shares subject to the stock option will vest and became exercisable on the six-month anniversary of the grant date listed in column 3 above, and the remaining shares will vest in 42 equal monthly installments thereafter. |