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Equity (Tables) | 6 Months Ended
--- | ---
Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Common Stock Reserved for Issuance | The Company has shares of common stock reserved for issuance as follows (in thousands):
| September 30, 2025 |  |
Common stock warrants | 229 |  |  |
2010 Plan |  |  |
Options outstanding | 9,315 |  |  |
2021 Plan |  |  |
Awards outstanding | 4,658 |  |  |
Shares available for future grant | 43,634 |  |  |
2021 ESPP | 11,598 |  |  |
Options outstanding outside the Plans | 2,568 |  |  |
Total | 72,002 |  |  |
Schedule of Stock Option Activity | Stock option activities within the Plans as well as outside of the Plans were as follows:
| Number of Shares (in thousands) |  | Weighted-Average Exercise Price |  | Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value (in thousands)
Balance, March 31, 2025 | 13,013 |  |  | $ | 4.82 |  |  | 4.92 |  | $ | 692,422 |
Options exercised | (1,031) |  |  | 4.07 |  |  |  |  |
Options forfeited or expired | (99) |  |  | 6.71 |  |  |  |  |
Balance, September 30, 2025 | 11,883 |  |  | 4.87 |  |  | 4.40 |  | 811,385 |
Vested and exercisable as of September 30, 2025 | 9,809 |  |  | 4.24 |  |  | 4.20 |  | 675,959 |
Vested and expected to vest as of September 30, 2025 | 11,883 |  |  | 4.87 |  |  | 4.40 |  | 811,385 |
Schedule of Restricted Stock Unit Activity | The following table summarizes RSU activity (in thousands, except per share information):
| Number of Shares |  | Weighted- Average Grant Date Fair Value
Unvested balance, March 31, 2025 | 3,347 |  |  | $ | 31.66 |
Granted | 1,570 |  |  | 60.13 |
Vested | (1,031) |  |  | 35.73 |
Forfeited | (242) |  |  | 34.65 |
Unvested balance, September 30, 2025 | 3,644 |  |  | 42.58 |
Schedule of Stock-Based Compensation Expense | Total stock-based compensation expense recognized in the condensed consolidated statements of operations was as follows (in thousands):
| Three Months Ended September 30, |  | Six Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Cost of revenue | $ | 2,844 |  |  | $ | 2,661 |  |  | $ | 5,824 |  |  | $ | 5,555 |
Research and development | 9,862 |  |  | 5,447 |  |  | 16,511 |  |  | 10,131 |
Sales and marketing | 10,508 |  |  | 6,808 |  |  | 18,218 |  |  | 13,394 |
General and administrative | 6,260 |  |  | 2,952 |  |  | 10,786 |  |  | 5,878 |
Total stock-based compensation expense | $ | 29,474 |  |  | $ | 17,868 |  |  | $ | 51,339 |  |  | $ | 34,958 |

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