| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALLK | Common Stock | Award | $0 | +529,323 | +199% | $0.000000 | 794,886 | 25 Feb 2022 | Direct | F1, F2, F3, F4 |
| holding | ALLK | Common Stock | 320,300 | 25 Feb 2022 | See footnote | F5 |
| Id | Content |
|---|---|
| F1 | Mr. Alexander was awarded 529,323 restricted stock units ("RSUs") pursuant to the Company's 2018 Equity Incentive Plan on February 25, 2022, of which, 25% will vest on March 1, 2023, and the remainder of the RSUs will vest in 12 equal installments on each three month anniversary thereafter, subject to Mr. Alexander continuing as a Service Provider through each such date. |
| F2 | Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. |
| F3 | Includes 7,905 shares received as a pro-rata in-kind distribution of Common Stock of the Issuer by Alta Partners Management VIII, LLC (APM VIII), without consideration, to the reporting person as a non-managing member of APM VIII. |
| F4 | Includes shares of common stock purchased under the Company's 2018 Employee Stock Purchase Plan. |
| F5 | The shares are held by Mr. Alexander and Stacey Lee Alexander, as Trustees of the Alexander 2018 Irrevocable Descendants' Trust. |