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v3.25.3

Segment Information - Research and Development and Selling, General and Administrative Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |
Stock compensation | $ 54,848 | $ 67,097 | $ 78,130
Depreciation and amortization | 22,200 | 16,900 | 10,700
Total research and development expense | 607,159 | 505,870 | 353,188
Total general and administrative expense | 123,943 | 98,761 | 92,549
Research and development |  |  |
Segment Reporting Information [Line Items] |  |  |
Stock compensation | 27,320 | 29,527 | 34,332
General and administrative expense |  |  |
Segment Reporting Information [Line Items] |  |  |
Stock compensation | 27,528 | 37,570 | 43,798
Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Candidate costs | 347,571 | 259,280 | 162,459
R&D discovery costs | 66,788 | 74,150 | 55,586
Salaries | 109,085 | 96,418 | 73,668
Facilities related | 29,233 | 25,782 | 16,267
Total research and development expense, excluding non-cash expense | 552,677 | 455,630 | 307,980
Salaries | 31,916 | 27,589 | 22,999
Professional, outside services, and other | 53,589 | 24,733 | 20,720
Facilities related | 5,625 | 4,116 | 3,415
Total general and administrative expense, excluding non-cash expense | 91,130 | 56,438 | 47,134
Total research and development expense | 607,159 | 505,870 | 353,188
Total general and administrative expense | 123,943 | 98,761 | 92,549
Operating Segment | Research and development |  |  |
Segment Reporting Information [Line Items] |  |  |
Stock compensation | 32,582 | 33,586 | 34,332
Depreciation and amortization | 21,900 | 16,654 | 10,876
Operating Segment | General and administrative expense |  |  |
Segment Reporting Information [Line Items] |  |  |
Stock compensation | 30,785 | 40,382 | 43,798
Depreciation and amortization | $ 2,028 | $ 1,941 | $ 1,617

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