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Fair Value Measurements | 6 Months Ended
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Apr. 30, 2026
Fair Value Disclosures [Abstract] |
Fair Value Measurements | 3. Fair Value Measurements The following table presents the Company's fair value hierarchy for financial assets measured at fair value as of April 30, 2026:
|  |  |  |  | April 30, 2026 |
Description |  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 26,515 |  |  | $ | 26,515 |  |  | $ | — |  |  | $ | — |
Short term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasuries |  |  | 214,915 |  |  |  | 214,915 |  |  |  | — |  |  |  | — |
Government agency securities |  |  | 13,723 |  |  |  | — |  |  |  | 13,723 |  |  |  | — |
Long term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasuries |  |  | 26,709 |  |  |  | 26,709 |  |  |  | — |  |  |  | — |
Total financial assets |  | $ | 281,862 |  |  | $ | 268,139 |  |  | $ | 13,723 |  |  | $ | — |
The following table presents the Company's fair value hierarchy for financial assets measured at fair value as of October 31, 2025:
|  |  |  |  | October 31, 2025 |
Description |  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 8,642 |  |  | $ | 8,642 |  |  | $ | — |  |  | $ | — |
U.S. government treasuries |  |  | 21,623 |  |  |  | 21,623 |  |  |  | — |  |  |  | — |
Government agency securities |  |  | 3,249 |  |  |  | — |  |  |  | 3,249 |  |  |  | — |
Short term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasuries |  |  | 125,467 |  |  |  | 125,467 |  |  |  | — |  |  |  | — |
Government agency securities |  |  | 18,117 |  |  |  | — |  |  |  | 18,117 |  |  |  | — |
Long term marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasuries |  |  | 8,522 |  |  |  | 8,522 |  |  |  | — |  |  |  | — |
Total financial assets |  | $ | 185,620 |  |  | $ | 164,254 |  |  | $ | 21,366 |  |  | $ | — |
As of April 30, 2026 and October 31, 2025, the Company classified its government agency marketable securities as Level 2 within the valuation hierarchy. The Company estimates the fair value of these marketable securities by taking into consideration valuations obtained from third-party pricing sources. These pricing sources utilize industry standard valuation models, including both income and market-based approaches, for which all significant inputs are observable, either directly or indirectly to estimate fair value. These inputs include market pricing based on real time trade data for the same or similar securities, issuer credit spreads, benchmark yields, and other observable inputs. During the three and six months ended April 30, 2026 and 2025, there were no transfers or reclassifications between fair value measurement levels of assets or liabilities. The carrying values of all other finan cial current assets, accounts payable and accrued expenses approximate their fair values due to the short-term nature of these assets and liabilities.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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