v3.23.3
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Operating activities    
Net loss $ (215,676) $ (153,730)
Adjustments to reconcile net loss to net cash used in operating activities:    
Gain on sale of ATOM Facility 0 (50,237)
Stock-based compensation expense 35,459 42,475
Depreciation and amortization expense 3,624 4,398
Accretion of liability related to sale of future revenues 3,729 0
Amortization (accretion) of investment premiums (discounts) (1,320) 974
Non-cash operating lease expense 8,847 6,103
Other non-cash items, net 148 70
Changes in operating assets and liabilities:    
Accounts receivable 40,058 737
Inventories (5,005) 0
Other current assets 920 (3,903)
Other assets (119) (139)
Accounts payable (319) (4,760)
Accrued compensation (3,229) (7,545)
Accrued research and development expenses (1,024) 4,417
Other current liabilities 607 5,595
Deferred revenue 540 (51,468)
Operating lease liabilities (9,953) (6,781)
Other long-term liabilities 142 244
Net cash used in operating activities (142,571) (213,550)
Investing activities    
Purchases of short-term investments (83,647) (181,164)
Proceeds from maturities and sales of short-term investments 198,723 242,293
Purchases of property and equipment (1,179) (4,156)
Proceeds from sale of property and equipment 25 0
Net proceeds from sale of ATOM Facility 0 94,765
Net cash (used in) provided by investing activities 113,922 151,738
Financing activities    
Proceeds from issuance of common stock through ATM facilities, net 590 20,516
Proceeds from employee stock awards 747 1,452
Taxes paid related to net share settlement of restricted stock units (94) (623)
Principal payments on finance lease obligations (732) (396)
Other financing activities, net (13) (155)
Net cash provided by financing activities 498 20,794
Decrease in cash, cash equivalents and restricted cash (28,151) (41,018)
Cash, cash equivalents and restricted cash at beginning of period 93,088 107,478
Cash, cash equivalents and restricted cash at end of period 64,937 66,460
Non-cash investing and financing activities    
Property and equipment purchases included in accounts payable and other accrued liabilities 20 35
Supplemental cash flow disclosure    
Cash paid for interest 332 256
Cash paid for income taxes $ 2 $ 19

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