CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Cash flows from operating activities:
Net loss		$ (288,702)	$ (279,696)	$ (268,839)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization		12,607	12,719	6,088
Non-cash operating lease cost		358	742	6,992
Stock-based compensation expense		230,988	215,761	216,542
Accretion of discounts on marketable securities		(13,459)	(17,214)	(4,558)
Other		2,800	98	249
Changes in operating assets and liabilities
Accounts receivable	[1]	(9,120)	4,522	(54,517)
Prepaid expenses, other current assets and other assets	[2]	1,909	3,208	(576)
Accounts payable	[3]	3,635	(12,883)	(22,041)
Accrued compensation and employee benefits		8,705	(6,218)	3,193
Operating lease liabilities		450	17,332	13,641
Other liabilities	[4]	10,823	8,155	(10,573)
Deferred revenue	[5]	(2,401)	(8,888)	(1,292)
Net cash used in operating activities		(41,407)	(62,362)	(115,691)
Cash flows from investing activities:
Purchases of property and equipment		(3,039)	(25,256)	(70,518)
Capitalized software development costs		0	(2,750)	(1,000)
Purchases of investments		(647,015)	(827,901)	(745,249)
Maturities and sales of investments		666,450	789,292	876,713
Net cash provided by (used in) investing activities		16,396	(66,615)	59,946
Cash flows from financing activities:
Taxes paid related to net share settlement of equity awards		(9,079)	(13,220)	(6,940)
Proceeds from issuance of Class A common stock under employee stock purchase plan		10,879	10,763	3,093
Proceeds from exercise of Class A common stock options		20,423	13,751	4,468
Net cash provided by financing activities		22,223	11,294	621
Net decrease in cash, cash equivalents and restricted cash		(2,788)	(117,683)	(55,124)
Cash, cash equivalents and restricted cash at beginning of period		179,712	297,395	352,519
Cash and cash equivalents		164,358	167,146	284,829
Restricted cash included in other assets, non-current		12,566	12,566	12,566
Cash, cash equivalents and restricted cash at end of period		176,924	179,712	297,395
Cash and cash equivalents		164,358	167,146	284,829
Restricted cash included in other assets, non-current		12,566	12,566	12,566
Total cash, cash equivalents and restricted cash		176,924	179,712	297,395
Cash and cash equivalents		164,358	167,146	284,829
Restricted cash included in other assets, non-current		12,566	12,566	12,566
Supplemental disclosure of cash flow information - cash paid for income taxes		920	975	578
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued liabilities		311	474	13,814
Right-of-use assets obtained in exchange for lease obligations (including remeasurement of right-of-use assets and lease liabilities due to changes in the timing of receipt of lease incentives)		1,016	1,833	(5,589)
Right-of-use assets obtained in exchange for lease obligations arising from lease modifications		0	0	3,093
Unpaid liabilities related to intangible purchases		0	0	1,500
Receivable from exercise of stock options included in prepaid expenses, other current assets and other assets		0	3	61
Vesting of early exercised stock options		$ 195	$ 507	$ 1,006

[1] Including changes in related party balances of $12,444 and $38,772 for the fiscal years ended April 30, 2024 and 2023, respectively.

[2] Including changes in related party balances of $(810) and $(4,741) for the fiscal years ended April 30, 2024 and 2023, respectively.

[3] Including changes in related party balances of $248 and $(16,349) for the fiscal years ended April 30, 2024 and 2023, respectively.

[4] Including changes in related party balances of $(2,448) and $(2,510) for the fiscal years ended April 30, 2024 and 2023, respectively.

[5] Including changes in related party balances of $(46) and $117 for the fiscal years ended April 30, 2024 and 2023, respectively.