v3.22.2.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Cash flows from operating activities    
Net loss $ (133,643) $ (79,492)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 3,730 2,033
Stock-based compensation 19,834 10,957
Net amortization (accretion) of premium (discount) on marketable securities 1,076 1,100
Loss on disposal of property and equipment 9 128
Amortization of operating lease right-of-use assets 4,041 2,439
Other 201  
Changes in operating assets and liabilities:    
Accounts receivable 6,000  
Income tax receivable   3,642
Prepaid expenses and other assets (2,250) (6,040)
Accounts payable 984 727
Deferred revenue (22,344) 10,647
Operating lease liabilities (3,679) (2,432)
Accrued expenses and other liabilities 4,189 2,837
Net cash used in operating activities (121,852) (53,454)
Cash flows from investing activities    
Purchases of marketable securities (212,455) (257,813)
Sales of marketable securities   6,994
Maturities of marketable securities 194,324 183,890
Purchases of property and equipment (9,679) (4,799)
Net cash used in investing activities (27,810) (71,728)
Cash flows from financing activities    
Proceeds from issuances of pre-funded warrants, net of issuance costs 94,942  
Proceeds from issuances of common stock in equity financing, net of issuance costs 19,400 150,157
Proceeds from exercise of stock options 1,030 1,166
Proceeds from issuance under employee stock purchase plan 1,955 2,060
Repurchase of unvested early exercised stock options   (1)
Net cash provided by financing activities 117,327 153,382
Net (decrease) increase in cash, cash equivalents and restricted cash (32,335) 28,200
Cash, cash equivalents and restricted cash at beginning of period 80,792 119,526
Cash, cash equivalents and restricted cash at end of period 48,457 147,726
Supplemental disclosures of non-cash investing and financing activities:    
Additions to property and equipment included in accounts payable and accrued expenses and other liabilities 1,726 839
Vesting of early exercised stock options 114 193
Issuance costs related to pre-funded warrants included in accrued expenses and other liabilities 183  
Deferred issuance costs recognized related to equity financing 72  
Reconciliation of cash, cash equivalents and restricted cash:    
Cash and cash equivalents 47,556 147,440
Restricted cash 901 286
Total cash, cash equivalents and restricted cash $ 48,457 $ 147,726