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v3.20.1

Condensed Statement of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (54,480) | $ (31,586)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Stock-based compensation | 14,215 | 7,867
Amortization of other intangible assets acquired | 151 | 151
Depreciation and amortization | 1,893 | 544
Net amortization/accretion on investment securities | (207) | (1,223)
Non-cash rent expense | 718 | 1,275
Benefit from income taxes | 0 | (50)
Share of losses from equity method investments | 64 | 0
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | 2,552 | (1,892)
Other long-term assets | (57) | (188)
Accounts payable | (1,044) | (348)
Accrued and other current liabilities | (3,913) | (4,095)
Other long-term liabilities | (701) | (711)
Net cash used in operating activities | (40,809) | (30,256)
Cash flows from investing activities: |  |
Purchases of property and equipment | (12,253) | (10,423)
Proceeds from maturities of investments | 120,261 | 95,708
Purchase of investments | (123,015) | (52,397)
Net cash (used in) provided by investing activities | (15,007) | 32,888
Cash flows from financing activities: |  |
Proceeds from issuance of common stock, net of commissions and issuance costs | 14,845 | 0
Proceeds from issuance of common stock and upon exercise of stock options | 303 | 0
Proceeds from issuance of common stock under the employee stock purchase plan | 1,438 | 684
Net cash provided by financing activities | 16,586 | 684
Net change in cash, cash equivalents and restricted cash | (39,230) | 3,316
Cash, cash equivalents and restricted cash — beginning of period | 179,425 | 93,731
Cash, cash equivalents and restricted cash — end of period | 140,195 | 97,047
Non-cash investing activities: |  |
Property and equipment purchases in accounts payable and accrued liabilities | 4,208 | 5,134
Supplemental disclosure: |  |
Cash paid for amounts included in the measurement of lease liabilities | 1,396 | 391
Cash received for amounts related to tenant improvement allowances | $ 532 | $ 0

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