| Operating expenses | — | — | — |
| Research and development | -360,917a | -212,928a | -160,257a |
| Acquired in-process research and development | | -12,500a | -10,000a |
| General and administrative | -77,235a | -57,281a | -48,019a |
| Total operating expenses | -438,152a | -282,709a | -218,276a |
| Interest income | -24,732a | -24,948a | -7,578a |
| Other (income) expense, net | -471a | 1,008a | 253a |
| Loss before provision for income taxes | -412,949a | -258,769a | -210,951a |
| Provision for income taxes | -891a | -567a | -9a |
| Net loss | -413,840a | -259,336a | -210,960a |