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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities |  |
Net income | $ 82,150 | $ 118,057
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 7,575 | 3,672
Deferred income taxes | 9,392 | (31,972)
Stock-based compensation, net of amounts capitalized | 34,843 | 21,633
Non-cash lease expense | 1,490 | 857
Amortization of premium on marketable securities, net | 3,144 | 2,863
Loss on sale of marketable securities | 1,093 | 525
Amortization of deferred contract costs | 6,357 | 7,366
Other | 797 | 120
Changes in operating assets and liabilities, net of effect of acquisition: |  |
Accounts receivable | 6,191 | (19,579)
Prepaid expenses and other assets | 1,924 | (7,003)
Deferred contract costs | (6,409) | (6,672)
Accounts payable, accrued expenses and other liabilities | 2,723 | 8,093
Deferred revenue | (18,098) | (17,538)
Operating lease liabilities | (209) | (811)
Net cash provided by operating activities | 132,963 | 79,611
Cash flows from investing activities |  |
Cash paid for acquisition | (53,500) | 0
Purchases of property and equipment | (1,680) | (852)
Internal-use software development costs | (3,478) | (2,736)
Purchases of marketable securities | (130,257) | (1,271,915)
Maturities of marketable securities | 35,014 | 41,617
Sales of marketable securities | 107,182 | 616,938
Net cash used in investing activities | (46,719) | (616,948)
Cash flows from financing activities |  |
Proceeds from issuance of common stock upon initial public offering after deducting underwriting discounts and commissions | 0 | 553,905
Proceeds from issuance of common stock upon exercise of stock options and common stock warrants | 7,455 | 9,234
Proceeds from issuance of common stock in connection with the employee stock purchase plan | 2,341 | 0
Taxes paid related to net share settlement of equity awards | (2,353) | (436)
Repurchase of common stock | (70,042) | (2,698)
Payments of deferred offering costs | 0 | (3,982)
Net cash provided by (used in) financing activities | (62,599) | 556,023
Net increase in cash and cash equivalents | 23,645 | 18,686
Cash and cash equivalents, beginning of period | 112,809 | 66,393
Cash and cash equivalents, end of period | 136,454 | 85,079
Supplemental disclosures of cash flow information |  |
Cash paid for taxes | 2,504 | 182
Non-cash financing and investing activities |  |
Conversion of redeemable convertible preferred stock to common stock | 0 | 81,458
Capitalized stock-based compensation for internal-use software development costs | 625 | 317
Fair value of contingent earn-out consideration included in purchase consideration | 21,134 | 0
Operating lease right-of-use assets obtained in exchange for operating lease liabilities | $ 14,759 | $ 1,151

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