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v3.19.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Cash flows from operating activities |  |
Net loss | $ (1,138,473) | $ (234,339)
Adjustments to reconcile net loss to net cash used in operating activities |  |
Depreciation and amortization | 23,135 | 1,138
Stock-based compensation | 859,486 | 1,996
Amortization of premium on marketable securities | 24 | 213
Accretion of discount on marketable securities | (10,081) | (3,753)
Other | 103 | 10
Changes in operating assets and liabilities |  |
Prepaid expenses and other assets | (46,307) | (7,272)
Operating lease right-of-use assets | 19,518 |
Accounts payable | 1,161 | (13,270)
Insurance reserves | 126,711 | 89,730
Accrued and other liabilities | 94,238 | 85,924
Lease liabilities | (14,342) |
Net cash used in operating activities | (84,827) | (79,623)
Cash flows from investing activities |  |
Purchases of marketable securities | (607,190) | (1,198,192)
Proceeds from sales of marketable securities | 466,174 | 181,648
Proceeds from maturities of marketable securities | 838,177 | 200,499
Purchases of property and equipment and scooter fleet | (25,126) | (3,088)
Cash paid for acquisitions, net of cash acquired | (1,711) |
Net cash provided by (used in) investing activities | 670,324 | (819,133)
Cash flows from financing activities |  |
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs |  | 54,196
Proceeds from exercise of stock options and other common stock issuances | 1,601 | 1,346
Taxes paid related to net share settlement of equity awards | (784,724) |
Payment of deferred offering costs | (5,044) |
Net cash provided by (used in) financing activities | (788,167) | 55,542
Effect of foreign exchange on cash, cash equivalents and restricted cash and cash equivalents | 102 | (46)
Net decrease in cash, cash equivalents and restricted cash and cash equivalents | (202,568) | (843,260)
Beginning of period | 706,486 | 1,178,919
End of period | 503,918 | 335,659
Non-cash investing and financing activities |  |
Purchases of property and equipment, and scooter fleet not yet settled | 16,612 | $ 10,472
Right of use assets acquired under operating leases | 38,488 |
Deferred offering costs in accounts payable and accrued liabilities | $ 2,240 |

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