v3.22.2.2
Consolidated Statements of Operations and Comprehensive Loss - USD ($)
shares in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Income Statement [Abstract]      
Revenue $ 243,231,000 $ 138,287,000 $ 87,992,000
Operating expenses:      
Research and development 297,307,000 206,342,000 128,875,000
General and administrative 124,431,000 80,981,000 52,276,000
Total operating expenses 421,738,000 287,323,000 181,151,000
Operating loss (178,507,000) (149,036,000) (93,159,000)
Other income (expense):      
Interest income, net 5,033,000 6,120,000 9,191,000
Other income (expense), net 765,000 2,070,000 (583,000)
Total other income 5,798,000 8,190,000 8,608,000
Loss before income tax expense and noncontrolling interest (172,709,000) (140,846,000) (84,551,000)
Income tax expense 3,785,000 2,000 2,000
Net loss including noncontrolling interest (176,494,000) (140,848,000) (84,553,000)
Net loss attributable to noncontrolling interest, net of tax (431,000) 0 0
Net loss attributable to Arrowhead Pharmaceuticals, Inc. $ (176,063,000) $ (140,848,000) $ (84,553,000)
Net loss per share attriutable to Arrowhead Pharmaceuticals, Inc.:      
Basic (in dollars per share) $ (1.67) $ (1.36) $ (0.84)
Diluted (in dollars per share) $ (1.67) $ (1.36) $ (0.84)
Weighted-average shares used in calculating      
Basic (in shares) 105,426 103,745 100,722
Diluted (in shares) 105,426 103,745 100,722
Other comprehensive loss, net of tax:      
Foreign currency translation adjustments $ (67,000) $ (87,000) $ 410,000
Comprehensive loss $ (176,561,000) $ (140,935,000) $ (84,143,000)