| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Sep'17 | Jun'17 |
|---|---|---|---|---|---|---|---|---|---|---|
Operating expenses: | ||||||||||
Research and development | ||||||||||
150,986 | 133,028 | 115,072 | 108,326 | 100,384 | 85,594 | 70,622 | 49,959 | 0 | 0 | 0 |
General and administrative | ||||||||||
62,970 | 45,796 | 34,446 | 25,504 | 20,888 | 18,001 | 15,037 | 13,214 | 0 | 0 | 0 |
Total operating expenses | ||||||||||
213,956 | 178,824 | 149,518 | 133,830 | 121,272 | 103,595 | 85,659 | 63,173 | 0 | 0 | 0 |
Loss from operations | ||||||||||
-213,956 | -178,824 | -149,518 | -133,830 | -121,272 | -103,595 | -85,659 | -63,173 | 0 | 0 | 0 |
Change in fair value—preferred stock tranche obligation | ||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 |
Other income (expense), net | ||||||||||
7,209 | 7,663 | 8,193 | 7,053 | 5,278 | 3,924 | 2,058 | 822 | 0 | 0 | 0 |
Interest expense | ||||||||||
6,375 | 5,744 | 5,161 | 4,688 | 4,207 | 3,137 | 2,168 | 1,233 | 0 | 0 | 0 |
Net loss | ||||||||||
-213,030 | -176,813 | -146,486 | -131,465 | -120,201 | -102,808 | -85,769 | -64,397 | 0 | 0 | 0 |
Other comprehensive income (loss): | ||||||||||
Net unrealized gain (loss) on available-for-sale investments, net of tax | ||||||||||
-188 | 346 | 526 | 655 | 216 | -140 | -19 | -14 | 0 | 0 | 0 |
Total comprehensive loss | ||||||||||
-213,218 | -176,467 | -145,960 | -130,810 | -119,985 | -102,948 | -85,788 | -64,411 | 0 | 0 | 0 |
Net loss per share, basic and diluted (in USD per share) | ||||||||||
-1.49 | -1.18 | -0.89 | -0.75 | -0.90 | 15.96 | -0.71 | -10.89 | -9.00 | -4.81 | -3.60 |
Weighted-average number of shares outstanding, basic and diluted (in shares) | ||||||||||
49,841 | 49,724 | 49,418 | 48,674 | 42,268 | 42,715 | 41,261 | 2,329 | 2,278 | 2,244 | 2,145 |