| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | |
|---|---|---|---|---|---|---|
Assets | ||||||
Current assets: | ||||||
Cash and cash equivalents | ||||||
256,952 | 245,598 | 303,016 | 265,072 | 47,313 | 56,923 | |
Short-term marketable securities | ||||||
71,517 | 98,913 | 53,557 | 97,116 | 146,126 | 149,710 | |
Related party receivable from collaboration | ||||||
742 | 5,206 | - | 881 | - | 3,669 | |
Prepaid expenses and other current assets | ||||||
9,096 | 5,531 | 7,747 | 5,275 | 5,706 | 4,255 | |
Total current assets | ||||||
338,307 | 355,248 | 364,320 | 368,344 | 199,145 | 214,557 | |
Non-current assets: | ||||||
Property and equipment, net | ||||||
18,274 | 19,475 | 20,485 | 22,172 | 23,319 | 23,893 | |
Restricted cash | ||||||
1,874 | 1,874 | 1,874 | 2,249 | 2,249 | 2,249 | |
Deferred IPO costs | ||||||
- | - | 0 | 0 | 3,669 | 2,292 | |
Other non-current assets | ||||||
2,246 | 3,806 | 3,936 | 3,938 | 3,245 | 3,094 | |
Total assets | ||||||
360,701 | 380,403 | 390,615 | 396,703 | 231,627 | 246,085 | |
Liabilities and stockholders' equity | ||||||
Current liabilities: | ||||||
Accounts payable | ||||||
3,648 | 9,026 | 4,457 | 3,164 | 4,203 | 5,775 | |
Accrued liabilities | ||||||
21,949 | 22,991 | 18,605 | 15,292 | 13,916 | 14,003 | |
Deferred rent, current | ||||||
2,865 | 2,829 | 2,792 | 2,756 | 2,719 | 2,683 | |
Deferred revenue, current | ||||||
- | 4,872 | 14,624 | 17,441 | 22,041 | 19,025 | |
Total current liabilities | ||||||
28,462 | 39,718 | 40,478 | 38,653 | 42,879 | 41,486 | |
Deferred rent, non-current | ||||||
8,667 | 9,392 | 10,118 | 10,843 | 11,532 | 12,221 | |
Other non-current liabilities | ||||||
4,188 | - | - | - | - | - | |
Deferred revenue, non-current | ||||||
- | - | - | - | - | 3,942 | |
Early exercise stock option liability | ||||||
412 | 574 | 833 | 1,077 | 1,322 | 1,559 | |
Convertible preferred stock warrant liability | ||||||
- | - | - | - | - | 198 | |
Total liabilities | ||||||
41,729 | 49,684 | 51,429 | 50,573 | 55,733 | 59,406 | |
Convertible preferred stock, $0.001 par value; 96,268,206 shares authorized; zero and 47,267,466 shares issued and outstanding as of December 31, 2019 and 2018, respectively | ||||||
- | - | - | - | 295,072 | 294,874 | |
Stockholders' equity: | ||||||
Common stock, $0.001 par value; 400,000,000 shares authorized; 67,936,438 and 66,960,279 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively | ||||||
68 | 67 | 66 | 66 | 7 | 7 | |
Additional paid-in capital | ||||||
534,218 | 526,771 | 519,224 | 515,248 | 42,477 | 39,258 | |
Accumulated other comprehensive gain (loss) | ||||||
-55 | 25 | 99 | 102 | -45 | -267 | |
Accumulated deficit | ||||||
-215,259 | -196,144 | -180,203 | -169,286 | -161,617 | -147,193 | |
Total stockholders' equity | ||||||
318,972 | 330,719 | 339,186 | 346,130 | -119,178 | -108,195 | |
Total liabilities and stockholders' equity | ||||||
360,701 | 380,403 | - | - | - | - | |
Total liabilities, convertible preferred stock and stockholders' equity (deficit) | ||||||
- | - | 390,615 | 396,703 | 231,627 | 246,085 | |