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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Operating activities: |  |
Net income (loss) | $ 177 | $ (189,544)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 9,977 | 12,674
Non-cash operating lease costs | 10,927 | 12,800
Stock-based compensation | 195,600 | 162,058
Deferred income taxes | 167 | 4,356
Amortization of intangible assets and acquired technology | 96,310 | 111,896
Amortization of debt issuance costs | 2,723 | 2,574
Amortization of investment discount, net of premium | (4,070) | (2,976)
Debt refinancing costs | 1,366 | 0
Changes in operating assets and liabilities: |  |
Accounts receivable | 218,567 | 182,550
Prepaid expenses and other assets | 8,473 | 25,894
Accounts payable and accrued liabilities | (95,483) | (108,067)
Income taxes payable | (57,909) | 32,574
Deferred revenue | (123,833) | (81,484)
Net cash provided by operating activities | 262,992 | 165,305
Investing activities: |  |
Purchases of property and equipment | (2,337) | (4,919)
Purchases of investments | (393,933) | (255,073)
Maturities of investments | 350,432 | 180,007
Sales of investments | 0 | 39,510
Business acquisition, net of cash acquired | 0 | (12,476)
Other | 1,878 | 0
Net cash used in investing activities | (43,960) | (52,951)
Financing activities: |  |
Payment of debt | (16,035) | (14,064)
Payment of debt refinancing costs | (1,349) | 0
Proceeds from issuance of debt | 1,971 | 0
Proceeds from issuance of common stock under employee stock purchase plan | 25,267 | 28,229
Payments for dividends related to Class B-2 shares | (12) | (12)
Payments for taxes related to net share settlement of equity awards | (98,819) | (26,252)
Proceeds from issuance of shares under equity plans | 63,106 | 19,692
Net cash (used in) / provided by financing activities | (25,871) | 7,593
Effect of foreign exchange rate changes on cash and cash equivalents | 6,969 | (5,719)
Net increase in cash and cash equivalents | 200,130 | 114,228
Cash and cash equivalents at beginning of period | 732,443 | 497,879
Cash and cash equivalents at end of period | 932,573 | 612,107
Supplemental disclosures: |  |
Cash paid for interest | 111,892 | 109,089
Cash paid for income taxes, net of refunds | 42,588 | 74,110
Non-cash investing and financing activities: |  |
Purchases of property and equipment recorded in accounts payable and accrued liabilities | $ 370 | $ 752

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