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v3.20.2

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Operating activities |  |
Net income (loss) | $ (336,164) | $ (1,325,653)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 29,174 | 19,496
Share-based compensation | 234,801 | 1,265,581
Other | 7,268 | (3,296)
Changes in assets and liabilities: |  |
Accounts receivable | (25,667) | 12,331
Prepaid expenses and other assets | (6,184) | (1,502)
Operating lease right-of-use assets | 31,835 | 21,746
Accounts payable | 7,689 | 8,897
Accrued expenses and other liabilities | 20,391 | 13,133
Operating lease liabilities | (35,013) | (19,634)
Net cash used in operating activities | (71,870) | (8,901)
Investing activities |  |
Purchases of property and equipment and intangible assets | (14,032) | (20,433)
Purchases of marketable securities | (808,180) | (527,899)
Sales of marketable securities | 174,042 | 93,389
Maturities of marketable securities | 699,133 | 252,164
Other investing activities | 316 | 0
Net cash provided by (used in) investing activities | 51,279 | (202,779)
Financing activities |  |
Proceeds from initial public offering, net of underwriters' discounts and commissions | 0 | 1,573,200
Proceeds from exercise of stock options, net | 64,992 | 744
Shares repurchased for tax withholdings on release of restricted stock units | (56,894) | (424,965)
Payment of deferred offering costs and other financing activities | (1,750) | (11,305)
Net cash provided by financing activities | 6,348 | 1,137,674
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (86) | (182)
Net increase (decrease) in cash, cash equivalents, and restricted cash | (14,329) | 925,812
Cash, cash equivalents, and restricted cash, beginning of period | 677,743 | 135,290
Cash, cash equivalents, and restricted cash, end of period | 663,414 | 1,061,102
Supplemental cash flow information |  |
Accrued property and equipment | 3,952 | 7,174
Operating lease right-of-use assets obtained in exchange for operating lease liabilities | $ 14,030 | $ 41,399

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