v3.26.1
Income Taxes - U.S. Federal statutory tax rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Amount      
Federal tax (benefit) at statutory rate $ (21,263)    
State tax (benefit) at statutory rate, net of federal benefit (14,261)    
Foreign tax effects 1    
Effect of cross-border tax laws 23    
Tax credits:      
Research and development credits (13,845)    
Change in valuation allowance 0    
Nontaxable or nondeductible items:      
Stock based compensation (43,983)    
Executive compensation 30,156    
Other (28)    
Changes in unrecognized tax benefits:      
Reserve on research and development credits 5,584    
Other adjustments to prior year tax estimates (1,566)    
Total provision for (benefit from) income taxes $ (59,182) $ (55,218) $ 1,623
Percent      
Federal tax (benefit) at statutory rate 21.00% 21.00% 21.00%
State tax (benefit) at statutory rate, net of federal benefit 14.10% 1.90% 4.40%
Foreign tax effects 0.00%    
Effect of cross-border tax laws 0.00%    
Tax credits:      
Research and development credits 13.70% (1.10%) (4.80%)
Change in valuation allowance 0.00% (57.60%) (17.10%)
Nontaxable or nondeductible items:      
Stock based compensation 43.40% (2.70%) (4.30%)
Executive compensation (29.80%)    
Other 0.10%    
Changes in unrecognized tax benefits:      
Reserve on research and development credits (5.50%)    
Other adjustments to prior year tax estimates 1.60%    
Total income tax expense and rate 58.60% (39.80%) 2.20%