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v3.22.2

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Operating activities |  |
Net loss | $ (190,266) | $ (208,962)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 2,244 | 4,773
Amortization of intangible assets | 2,526 | 2,526
Stock-based compensation expense | 27,082 | 22,270
Loss on extinguishment of debt | 0 | 17,689
Amortization of debt issuance costs and accretion of debt discount | 1,643 | 13,196
Finance lease amortization expense | 1,365 | 539
Noncash operating lease expense | 9,765 | 9,550
Change in fair value of deferred and contingent consideration liabilities | (24,240) | 0
Changes in operating assets and liabilities: |  |
Accounts receivable | (6,784) | (1,855)
Inventory | 724 | (11,557)
Prepaid expenses and other current assets | 4,101 | (7,484)
Other assets | (15,531) | (22,623)
Accounts payable | (3,558) | (11,158)
Accrued liabilities, accrued compensation and other | (16,533) | (10,629)
Net cash used in operating activities | (207,462) | (203,725)
Investing activities |  |
Purchase of fixed assets | (4,605) | (4,666)
Purchase of marketable securities | (99,706) | 0
Net cash used in investing activities | (104,311) | (4,666)
Financing activities |  |
Proceeds from exercise of stock options, ESPP, and RSU vestings | 13,264 | 13,527
Proceeds from issuance of common stock, net | 0 | 269,886
Payment on extinguishment of 1.75% convertible senior notes due 2025 | 0 | (12,578)
Payment of principal on 1.75% convertible senior notes due 2025 | 0 | (225,000)
Proceeds from issuance of 0.75% convertible senior notes due 2028 | 0 | 575,000
Payment of debt issuance costs | 0 | (16,013)
Payments of finance lease principal | (494) | (522)
Net cash provided by financing activities | 12,770 | 604,300
Effect of exchange rates on cash and cash equivalents | (1,701) | (338)
Net (decrease) increase in cash and cash equivalents | (300,704) | 395,571
Cash and cash equivalents at beginning of period | 716,782 | 532,756
Cash and cash equivalents at end of period | 416,078 | 928,327
Supplemental disclosures of cash flow information: |  |
Cash paid for interest | 5,004 | 5,911
Cash paid for income taxes | $ 1,194 | $ 997

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