Overview Financials News + Filings Key Docs Charts Ownership Insiders
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| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Operating expenses: | | | | | | | | |
| Research and development | 67.2 | 45.1 | 53.2 | 41.1 | 30.2 | 33.9 | 26.4 | 19.1 |
| General and administrative | 27.4 | 20.1 | 13.7 | 14.3 | 12.5 | 14.2 | 9.5 | 3.5 |
| Total operating expenses | 94.6 | 65.2 | 67.0 | 55.4 | 42.6 | 48.1 | 35.8 | 22.6 |
| Loss from operations | -94.6 | -64.9 | -67.0 | -55.4 | -42.6 | -48.1 | -35.8 | -22.6 |
| Other expense, net | -0.1 | 0.4 | -0.5 | 1.8 | 0.8 | 0.4 | 0.1 | 0.1 |
| Loss before provision for (benefit from) income taxes, net | -94.7 | -80.8 | -88.4 | -53.6 | -41.9 | -47.7 | -53.2 | -23.9 |
| Provision for (benefit from) income taxes, net | 0.0 | 0.1 | -0.2 | -0.3 | 0.2 | 0.1 | 0.1 | 0.0 |
| Net loss and comprehensive loss | -94.7 | -80.9 | -88.3 | -53.3 | -42.0 | -47.9 | -53.3 | -23.9 |
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| Net loss per common share, basic and diluted | ($7.14) | ($7.70) | ($30.30) | ($30.16) | ($33.68) | ($1.58) | ($31.47) | ($69.08) |
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| Weighted-average shares used in computing net loss per common share, basic and diluted | 13.3 | 10.5 | 2.9 | 1.8 | 1.2 | 30.2 | 14.4 | 1.1 |
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