| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||||
Net loss | ||||||||
-53,642 | -42,795 | -12,689 | -9,289 | -4,820 | -493 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation | ||||||||
7,375 | 7,605 | 7,729 | 7,666 | 7,441 | 7,223 | 0 | 0 | 0 |
Amortization of discount on marketable securities | ||||||||
792 | 1,123 | 1,444 | 1,508 | 1,278 | 876 | 0 | 0 | 0 |
Stock-based compensation expense | ||||||||
14,071 | 12,981 | 11,873 | 11,762 | 10,299 | 9,962 | 0 | 0 | 0 |
Other non-cash expenses | ||||||||
-120 | -98 | 0 | 0 | 0 | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||
Related party receivable from collaboration | ||||||||
742 | 1,537 | 0 | 0 | 0 | - | - | - | - |
Prepaid expenses and other assets | ||||||||
2,391 | 1,988 | 8,052 | 5,801 | 5,122 | 4,365 | 0 | 0 | 0 |
Accounts payable | ||||||||
-508 | 3,642 | 1,198 | -1,083 | 610 | 3,484 | 0 | 0 | 0 |
Accrued expenses and other liabilities | ||||||||
13,085 | 8,877 | 7,995 | 5,641 | 6,251 | 4,059 | 0 | 0 | 0 |
Deferred rent | ||||||||
2,719 | 2,683 | 2,646 | 2,610 | 2,284 | 1,957 | 0 | 0 | 0 |
Deferred revenue | ||||||||
-22,041 | -24,251 | -21,833 | -22,876 | -26,595 | -21,133 | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-48,184 | -41,174 | -19,565 | -18,720 | -15,232 | -7,597 | 0 | 0 | 0 |
Cash flows from investing activities | ||||||||
Purchase of marketable securities | ||||||||
90,971 | 134,306 | 105,885 | 138,588 | 169,377 | 133,609 | 0 | 0 | 0 |
Proceeds from sales and maturities of marketable securities | ||||||||
166,362 | 186,518 | 207,017 | 209,840 | 186,600 | 178,182 | 0 | 0 | 0 |
Purchase of property and equipment | ||||||||
2,288 | 3,489 | 2,537 | 3,056 | 6,577 | 5,844 | 0 | 0 | 0 |
Net cash provided by investing activities | ||||||||
73,103 | 48,723 | 98,595 | 68,196 | 10,646 | 38,729 | 0 | 0 | 0 |
Cash flows from financing activities | ||||||||
Proceeds from issuance of common stock upon exercise of stock options | ||||||||
6,914 | 3,575 | 1,516 | 2,859 | 2,764 | 2,583 | 0 | 0 | 0 |
Repurchase of common stock | ||||||||
- | - | - | - | - | 185 | 0 | 0 | 0 |
Payments of deferred financing costs | ||||||||
- | - | - | - | 0 | - | - | - | - |
Net cash provided by (used in) financing activities | ||||||||
184,345 | 180,751 | 176,120 | 176,684 | 309 | 198 | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | ||||||||
209,264 | 188,300 | 255,150 | 226,160 | -4,277 | 31,330 | 0 | 0 | 0 |
Non-cash investing and financing activities: | ||||||||
Net exercise of convertible preferred stock warrant to Series A preferred stock | ||||||||
- | 198 | 0 | 0 | 0 | - | - | - | - |
Vesting of common stock from early exercises | ||||||||
918 | 993 | 1,024 | 1,030 | 893 | 764 | 0 | 0 | 0 |
Cost of property and equipment purchases accrued but not yet paid | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Deferred IPO costs accrued but not yet paid | ||||||||
- | - | - | - | 0 | - | - | - | - |
Cost of property and equipment in accounts payable and accrued liabilities | ||||||||
- | - | - | - | - | 607 | 0 | 0 | 0 |