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Stockholders' Equity - Schedule of Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2025 | Oct. 31, 2024 | Jan. 31, 2025
Number of Shares |  |  |  |  |
Beginning balance (in shares) |  |  | 6,071 |  |
Granted (in shares) |  |  | 0 |  |
Exercised (in shares) |  |  | (857) |  |
Cancelled (in shares) |  |  | (1) |  |
Ending balance (in shares) | 5,213 |  | 5,213 |  | 6,071
Vested and exercisable, end of period (in shares) | 5,103 |  | 5,103 |  |
Vested and expected to vest, end of period (in shares) | 5,213 |  | 5,213 |  |
Weighted- Average Exercise Price Per Share |  |  |  |  |
Beginning balance (in dollars per share) |  |  | $ 3.48 |  |
Granted (in dollars per share) |  |  | 0 |  |
Exercised (in dollars per share) |  |  | 3.31 |  |
Cancelled (in dollars per share) |  |  | 0.93 |  |
Ending balance (in dollars per share) | $ 3.51 |  | 3.51 |  | $ 3.48
Vested and exercisable, end of period (in dollars per share) | 3.53 |  | 3.53 |  |
Vested and expected to vest, end of period (in dollars per share) | $ 3.51 |  | $ 3.51 |  |
Weighted- Average Remaining Contractual Term (in years) |  |  |  |  |
Beginning and ending balance (in years) |  |  | 2 years 10 months 24 days |  | 3 years 7 months 6 days
Vested and exercisable (in years) |  |  | 2 years 10 months 24 days |  |
Vested and expected to vest (in years) |  |  | 2 years 10 months 24 days |  |
Aggregate Intrinsic Value |  |  |  |  |
Outstanding | $ 54,986 |  | $ 54,986 |  | $ 108,457
Vested and exercisable | 53,668 |  | 53,668 |  |
Vested and expected to vest | 54,986 |  | 54,986 |  |
Aggregate intrinsic value of stock options exercised (in thousands) | $ 2,966 | $ 7,106 | $ 10,672 | $ 14,902 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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