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Cash Equivalents and Marketable Securities
 6 Months Ended
Oct. 31, 2025
Investments, Debt and Equity Securities [Abstract]  
Cash Equivalents and Marketable Securities Cash Equivalents and Marketable Securities
The following table summarizes the Company’s cash equivalents and available-for-sale marketable securities (in thousands):
As of October 31, 2025As of April 30, 2025
Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair ValueAmortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Cash equivalents:
Money market funds$60,064 $— $— $60,064 $87,872 $— $— $87,872 
Commercial paper15,220 — — 15,220 29,122 — — 29,122 
Corporate debt securities239 — — 239 1,015 — — 1,015 
Available-for-sale marketable securities:
U.S. treasury securities14,808 9 — 14,817 15,478 4 — 15,482 
Certificates of deposit71,691 — — 71,691 76,518 — — 76,518 
U.S. government agencies securities71,791 169 (10)71,950 56,990 157 (9)57,138 
Commercial paper116,181 — — 116,181 113,787 — — 113,787 
Corporate debt securities296,573 641 (24)297,190 315,034 502 (131)315,405 
Total cash equivalents and available-for-sale marketable securities$646,567 $819 $(34)$647,352 $695,816 $663 $(140)$696,339 
The following table summarizes the Company’s available-for-sale marketable securities by contractual maturity (in thousands):
As of October 31, 2025As of April 30, 2025
Amortized CostFair ValueAmortized CostFair Value
Within one year$435,300 $435,671 $455,613 $455,956 
After one year through five years135,744 136,158 122,194 122,374 
Total$571,044 $571,829 $577,807 $578,330 
The following table summarizes the fair values and unrealized losses of the Company’s available-for-sale marketable securities classified by length of time that the securities have been in a continuous unrealized loss position but were not deemed to be other-than-temporarily impaired (in thousands):
As of October 31, 2025
Less Than 12 Months12 Months or GreaterTotal
Unrealized LossesFair ValueUnrealized LossesFair ValueUnrealized LossesFair Value
U.S. government agencies securities$(3)$5,089 $(7)$11,218 $(10)$16,307 
Corporate debt securities(13)20,882 (11)15,830 (24)36,712 
Total$(16)$25,971 $(18)$27,048 $(34)$53,019 
As of April 30, 2025
Less Than 12 Months12 Months or GreaterTotal
Unrealized LossesFair ValueUnrealized LossesFair ValueUnrealized LossesFair Value
U.S. treasury securities$— $2,468 $— $— $— $2,468 
U.S. government agencies securities(9)7,973 — — (9)7,973 
Commercial paper— 1,823 — — — 1,823 
Corporate debt securities(129)62,899 (2)9,847 (131)72,746 
Total$(138)$75,163 $(2)$9,847 $(140)$85,010 
As of October 31, 2025, the Company had 45 marketable securities in an unrealized loss position. As of April 30, 2025, the Company had 88 marketable securities that were in an unrealized loss position. The Company considers factors such as the duration, the magnitude and the reason for the decline in value, the potential recovery period, creditworthiness of the issuers of the securities and its intent to sell. For marketable securities, it also considers whether (i) it is more likely than not that the Company will be required to sell the debt securities before recovery of their amortized cost basis, and (ii) the amortized cost basis cannot be recovered as a result of credit losses. No significant facts or circumstances have arisen to indicate that there has been any significant deterioration in the creditworthiness of the issuers of the securities held by the Company. The decline in fair value below amortized cost basis was not considered other-than-temporary as it is more likely than not that the Company will hold the securities until maturity or a recovery of the cost basis, and no significant credit-related impairment losses were recorded as of October 31, 2025.