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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating activities |  |  |
Net income (loss) | $ 99,189 | $ 67,808 | $ (345,582)
Adjustments to reconcile net income (loss) to cash provided by operating activities |  |  |
Stock-based compensation | 142,718 | 143,352 | 122,210
Amortization of deferred commissions | 62,269 | 59,461 | 53,471
Amortization of intangible assets and depreciation | 17,585 | 18,746 | 18,780
Amortization of right-of-use lease assets | 17,842 | 15,912 | 15,940
Foreign currency transaction loss (gain) | 912 | 5,242 | (4,560)
Loss on capped call transactions | 663 | 1,348 | 57,382
Deferred income taxes | (1,544) | 363 | 168,890
(Accretion) amortization of investments | (15,263) | (3,302) | 1,972
(Gain) on investments | (869) | (10,841) | (6,578)
(Gain) on repurchases of convertible senior notes | (459) | (7,855) | 0
Other non-cash | 3,728 | 5,557 | 4,763
Change in operating assets and liabilities: |  |  |
Accounts receivable, unbilled receivables, and contract assets | 79,034 | (57,602) | (51,157)
Other current assets | (50,005) | 11,360 | (9,133)
Other current liabilities | (7,115) | (8,777) | 529
Deferred revenue | 48,360 | 45,123 | 62,578
Deferred commissions | (57,628) | (44,529) | (53,857)
Other long-term assets and liabilities | 6,509 | (23,581) | (13,312)
Cash provided by operating activities | 345,926 | 217,785 | 22,336
Investing activities |  |  |
Purchases of investments | (559,365) | (287,287) | (41,015)
Proceeds from maturities and called investments | 364,501 | 242,593 | 66,583
Sales of investments | 0 | 10,725 | 23,808
Payments for acquisitions, net of cash acquired | 0 | 0 | (922)
Investment in property and equipment | (7,712) | (16,781) | (35,379)
Cash (used in) provided by investing activities | (202,576) | (50,750) | 13,075
Financing activities |  |  |
Repurchases of convertible senior notes | (33,890) | (88,989) | 0
Dividend payments to stockholders | (10,199) | (9,964) | (9,834)
Proceeds from employee stock purchase plan | 6,709 | 7,744 | 9,172
Proceeds from stock option exercises | 80,651 | 10,821 | 0
Common stock repurchases for tax withholdings for net settlement of equity awards | (5,435) | (1,916) | (20,620)
Common stock repurchases under stock repurchase program | (68,057) | 0 | (25,707)
Other | 7 | 341 | 0
Cash (used in) financing activities | (30,214) | (81,963) | (46,989)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (4,434) | 2,701 | (3,333)
Net increase (decrease) in cash, cash equivalents and restricted cash | 108,702 | 87,773 | (14,911)
Cash, cash equivalents, and restricted cash, beginning of period | 232,827 | 145,054 | 159,965
Cash, cash equivalents, and restricted cash, end of period | 341,529 | 232,827 | 145,054
Cash and cash equivalents | 337,103 | 229,902 | 145,054
Restricted cash included in other current assets | 98 | 0 | 0
Restricted cash included in other long-term assets | 4,328 | 2,925 | 0
Total cash, cash equivalents and restricted cash | 341,529 | 232,827 | 145,054
Supplemental disclosures |  |  |
Interest paid on convertible notes | 3,810 | 4,134 | 4,500
Income taxes paid | 82,317 | 11,664 | 7,645
Non-cash investing and financing activity: |  |  |
Investment in property and equipment included in accounts payable and accrued liabilities | 1,723 | 66 | 9,914
Dividends payable | $ 2,583 | $ 2,515 | $ 2,474

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