| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALLK | Common Stock | Sale | $1,984,600 | -20,000 | -12% | $99.23* | 153,126 | 12 May 2021 | Direct | F1, F2 |
| transaction | ALLK | Common Stock | Options Exercise | $13,750 | +20,000 | +13% | $0.6875* | 173,126 | 12 May 2021 | Direct | F2 |
| transaction | ALLK | Common Stock | Sale | $1,955,800 | -20,000 | -12% | $97.79* | 153,126 | 11 May 2021 | Direct | F2, F3 |
| transaction | ALLK | Common Stock | Options Exercise | $13,750 | +20,000 | +13% | $0.6875* | 173,126 | 11 May 2021 | Direct | F2 |
| transaction | ALLK | Common Stock | Sale | $1,920,400 | -20,000 | -12% | $96.02* | 153,126 | 10 May 2021 | Direct | F2, F4 |
| transaction | ALLK | Common Stock | Options Exercise | $13,750 | +20,000 | +13% | $0.6875* | 173,126 | 10 May 2021 | Direct | F2 |
| holding | ALLK | Common Stock | 3,953 | 10 May 2021 | See footnote | F5, F6 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALLK | Stock Option (Right to buy) | Options Exercise | $0 | -20,000 | -3.7% | $0.000000 | 526,400 | 12 May 2021 | Common Stock | 20,000 | $0.6875 | Direct | F7 |
| transaction | ALLK | Stock Option (Right to buy) | Options Exercise | $0 | -20,000 | -3.5% | $0.000000 | 546,400 | 11 May 2021 | Common Stock | 20,000 | $0.6875 | Direct | F7 |
| transaction | ALLK | Stock Option (Right to buy) | Options Exercise | $0 | -20,000 | -3.4% | $0.000000 | 566,400 | 10 May 2021 | Common Stock | 20,000 | $0.6875 | Direct | F7 |
| 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 $96.76 to $100.83 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 $90.73 to $101.71 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 | 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 $94.91 to $98.41 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. |
| 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. |
| F7 | On May 17, 2017, the Reporting Person was granted an option to purchase 706,400 ordinary shares pursuant to the Company's 2012 Equity Incentive Plan. The option vests as to one-fourth of the shares on May 17, 2018, and one forty-eighth of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date. |