Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 13,993	$ (436,349)
Adjustments to reconcile net income (loss) to net cash flow from operating activities
Stock-based compensation	44,279	54,494
Depreciation and amortization	17,542	13,570
(Accretion) amortization of note premiums/discounts	(4,545)	7,886
Realized loss on investments	0	(80)
Non-cash interest expense on liability related to the sale of future royalties	18,893	17,705
Non-cash interest expense on credit facility	48,774	0
Changes in operating assets and liabilities:
Accounts receivable	(9,841)	0
Prepaid expenses and other assets	(22,342)	(1,746)
Accounts payable	21,662	2,785
Accrued expenses	7,956	13,086
Deferred revenue	22,979	(866)
Operating lease, net	(3,417)	3,880
Other	3,128	0
Net cash provided by (used in) operating activities	159,061	(325,635)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(15,177)	(117,180)
Purchases of investments	(774,616)	(428,611)
Proceeds from sales and maturities of investments	587,880	348,642
Net cash used in investing activities	(201,913)	(197,149)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from the exercises of stock options	3,476	2,166
Proceeds from the issuance of common stock, net of offering costs	241,388	429,265
Proceeds from the sales of future royalties	0	50,000
Proceeds from the issuance of warrants	25,000	0
Payments of debt issuance costs	(5,000)	0
Repayments of credit facility	(201,625)	0
Proceeds from Visirna credit agreement	7,098	0
Net cash provided by financing activities	70,337	481,431
Net increase (decrease) in cash, cash equivalents and restricted cash	27,485	(41,353)
Effect of exchange rate on cash, cash equivalents and restricted cash	(377)	(139)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
BEGINNING OF PERIOD	102,685	110,891
END OF PERIOD	129,793	69,399
Supplementary disclosure of cash flows:
Interest paid	(19)	0
Income taxes paid	(81)	(3,062)
Supplemental disclosure of non-cash investing activities:
Capital expenditures included in accrued expenses	$ 346	$ 6,909