| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 104.86a | 71.43a |
| Restricted cash | 0.33a | 0a |
| Short-term investments | 307.49a | 114.82a |
| Prepaid expenses and other current assets | 10.52a | 2.62a |
| Research and development tax credit receivable | 0.56a | 0.85a |
| Total current assets | 423.75a | 189.71a |
| Non-current assets | — | — |
| Property and equipment, net | 0.25a | 0.2a |
| Operating lease right-of-use assets | 7.14a | 5.86a |
| Goodwill | 1.86a | 1.89a |
| Research and development tax credit receivable | 0.7a | 0.96a |
| Other assets | 1.85a | 4.32a |
| Total assets | 435.56a | 202.95a |
| Liabilities and stockholders’ equity | — | — |
| Current liabilities | — | — |
| Accounts payable | 4.64a | 2.67a |
| Accrued liabilities | 19.55a | 8.78a |
| Accrued compensation | 11.98a | 5.43a |
| Operating lease liabilities, current portion | 3.77a | 2.81a |
| Other current liabilities | 1.8a | 0.72a |
| Total current liabilities | 41.73a | 20.41a |
| Non-current liabilities | — | — |
| Operating lease liabilities, net of current portion | 3.45a | 3.29a |
| Other non-current liabilities | 1.63a | 1.56a |
| Promissory note payable to a related party | 0a | 100a |
| Total liabilities | 46.81a | 125.26a |
| Stockholders’ equity | — | — |
| Preferred stock | 0a | 0a |
| Common stock | 7.38a | 7.02a |
| Additional paid-in capital | 1,598.23a | 1,066.38a |
| Accumulated other comprehensive loss | -2.29a | -2.45a |
| Accumulated deficit | -1,214.57a | -993.26a |
| Total stockholders' equity | 388.75a | 77.69a |
| Total liabilities and stockholders' equity | 435.56a | 202.95a |