v3.22.2.2
Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Operating activities    
Net loss $ (84,610) $ (67,413)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 4,162 3,529
Amortization of premium on marketable securities 810 1,982
Stock-based compensation 20,452 16,354
Noncash lease expenses 1,968 3,841
Realized gain on sale of equity securities (30)  
Unrealized (gain) / loss on equity securities (323) 1,881
Remeasurement of liability awards 1 73
Other 143 406
Changes in operating assets and liabilities:    
Accounts receivable 1,213 (6,771)
Prepaid expenses and other assets (2,941) (4,534)
Accounts payable (288) 4,484
Accrued compensation (1,037) (336)
Other liabilities 1,329 629
Deferred revenue 85,156 (12,754)
Change in operating lease liability 1,408 (1,470)
Net cash provided by (used in) operating activities 27,413 (60,099)
Investing activities    
Purchases of marketable securities (114,498) (226,109)
Maturities of marketable securities 88,460 106,750
Sales of marketable securities 32,764 14,049
Proceed from sale of equity securities 625  
Purchases of equipment and leasehold improvements (4,491) (12,786)
Net cash provided by (used in) investing activities 2,860 (118,096)
Financing activities    
Proceeds from At-The-Market Sale, net of issuance costs 40,925  
Payment of debt (6,250)  
Proceeds from exercise of common stock options 267 1,972
Taxes paid related to net shares settlement of restricted stock units (463) (987)
Proceeds from employee stock purchase plan 1,613 1,765
Net cash provided by financing activities 36,092 2,750
Net increase (decrease) in cash, cash equivalents and restricted cash 66,365 (175,445)
Cash, cash equivalents and restricted cash at beginning of period 31,286 207,024
Cash, cash equivalents and restricted cash at end of period 97,651 31,579
Supplemental disclosure of cash flow information:    
Cash paid for interest 1,442 1,536
Supplemental disclosure of non-cash investing and financing information:    
Purchases of equipment included in accounts payable 1,775 2,165
Financing component associated with program fees $ 2,251 561
Remeasurement of operating lease right-of-use assets for lease modification   $ 4,227

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