| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NSTG | Common Stock | Tax liability | -$93.6K | -2.93K | -3.93% | $31.99* | 71.5K | Jan 26, 2022 | Direct | F1, F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NSTG | Performance Restricted Stock Units | Award | $0 | +3.04K | $0.00 | 3.04K | Jan 26, 2022 | Common Stock | 3.04K | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | Represents shares that have been withheld by the Issuer to satisfy its tax withholding and remittance obligations in connection with the net settlement of the PSUs and does not represent a sale by the Reporting Person. |
| F2 | The Form 4 filed on January 28, 2022 inadvertently misstated the number of securities disposed of. The number reported in Column 4 of this Form 4/A represents the correct number of securities disposed of on January 26, 2022 and the number reported in Column 5 of this Form 4/A represents the amount of securities beneficially owned by the Reporting Person as of January 26, 2022. |
| F3 | Each Performance Restricted Stock Unit ("PSU") represents a contingent right to receive one (1) share of Issuer's common stock. |
| F4 | On January 28, 2022, the Reporting Person filed a Form 4 which inadvertently omitted to report in Table II certain PSUs acquired upon determination by the Board of Directors of the Issuer that the performance conditions were met with respect to PSUs granted to the Reporting Person on March 12, 2020. The shares vest on January 26, 2023, subject to the Reporting Person continuing as a service provider through such date. The Reporting Person is amending the January 28, 2022 Form 4 to include this information in Table II. |