| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALLK | Common Stock | Sale | -$229K | -2.49K | -1.65% | $92.03* | 148K | Jun 7, 2021 | Direct | F1, F2 |
| transaction | ALLK | Common Stock | Sale | -$57.9K | -642 | -0.42% | $90.26* | 151K | Jun 4, 2021 | Direct | F2, F3 |
| transaction | ALLK | Common Stock | Tax liability | -$164K | -1.78K | -1.16% | $92.20* | 151K | Jun 3, 2021 | Direct | F2, F4 |
| holding | ALLK | Common Stock | 3.95K | Jun 3, 2021 | See footnote | F5, F6 |
| Id | Content |
|---|---|
| F1 | This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2020. This transaction was executed in multiple trades at prices ranging from $90.17 to $92.66 per share. The sale price reported represents the weighted average sale price . Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price. |
| F2 | Includes shares of common stock purchased under the Company's 2018 Employee Stock Purchase Plan. |
| F3 | This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 18, 2020. This transaction was executed in multiple trades at prices ranging from $90.10 to $90.39 per share. The sale price reported represents the weighted average sale price . Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price. |
| F4 | Shares withheld to satisfy the tax obligations by the reporting person in connection with the vesting of RSUs. |
| F5 | Includes 3,953 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. |
| F6 | The shares are held by Mr. Tomasi and Carrie Tomasi, as Trustees of the Tomasi Living Trust dated July 14, 2017. |