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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |  |
Net income (loss) | $ 16,067 | $ (59,574) | $ (60,135)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 7,095 | 4,870 | 2,726
Stock-based compensation expense | 95,221 | 73,820 | 40,804
Gain on sale of capitalized software | (100) | 0 | 0
Loss on disposal of leasehold improvements | 433 | 0 | 0
Changes in assets and liabilities: |  |  |
Deferred revenue | 91,642 | 59,283 | 43,475
Accounts receivable | (42,247) | (13,565) | (12,713)
Deferred cost of revenues | (18,890) | (10,822) | (10,634)
Prepaid expenses and other current assets | (48) | (1,415) | (4,048)
Accounts payable | 1,261 | (6,655) | 5,622
Accrued expenses and other current liabilities | 3,444 | 8,720 | 3,708
Noncurrent assets and liabilities | (264) | (1,006) | 365
Net cash provided by operating activities | 153,614 | 53,656 | 9,170
Cash flows from investing activities: |  |  |
Capitalized software expense and purchases of intangible assets | (10,493) | (4,562) | (2,620)
Purchase of property and equipment | (3,191) | (5,562) | (3,586)
Proceeds from sale of capitalized software | 100 | 0 | 0
Acquisition, net of $0 cash acquired | 0 | (4,050) | 0
Net cash used for investing activities | (13,584) | (14,174) | (6,206)
Cash flows from financing activities: |  |  |
Issuance of common stock in connection with the initial public offering, net of underwriting discounts and issuance costs | 0 | 0 | 426,191
Net proceeds from issuance of convertible preferred stock | 0 | 0 | 0
Proceeds from exercise of stock options | 13,617 | 14,776 | 12,480
Repurchases of stock options | 0 | 0 | (7,335)
Repurchase of common stock | 0 | 0 | (868)
Taxes paid related to net-share settlement of share-based compensation awards | (11,482) | 0 | 0
Net cash provided by financing activities | 2,135 | 14,776 | 430,468
Net increase in cash, cash equivalents and restricted cash | 142,165 | 54,258 | 433,432
Cash, cash equivalents and restricted cash - Beginning of period | 608,180 | 553,922 | 120,490
Cash, cash equivalents and restricted cash - End of period | 750,345 | 608,180 | 553,922
Supplemental disclosure of cash flow information: |  |  |
Cash paid for interest | 0 | 0 | 0
Cash paid for income taxes | 2,320 | 615 | 132
Supplemental disclosure of noncash operating activities: |  |  |
Implementation costs for cloud computing included in Current liabilities | 0 | 0 | 64
Supplemental disclosure of noncash investing activities: |  |  |
Capitalized software and purchases of intangible assets included in Current liabilities | 0 | 1,121 | 342
Property and equipment included in Current liabilities | 165 | 166 | 230
Landlord incentive included in Prepaid expenses and other current assets | 0 | 2,148 | 0
Right of use assets disposed or adjusted, modifying operating leases liabilities | 2,024 | 0 | 0
Deferred offering costs included in accrued expenses | $ 0 | $ 0 | $ 0

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