Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (Unaudited)

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Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Operating activities      
Net loss $ (50,050) $ (39,110)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 1,615 1,327  
(Accretion of discount) amortization of premium on marketable securities (1,786) 546  
Stock-based compensation 6,021 6,974  
Noncash lease expenses 641 669  
Unrealized loss / (gain) on equity securities 6,992 (563)  
Other (13) 125  
Changes in operating assets and liabilities:      
Accounts receivable (2,751) 768  
Prepaid expenses and other assets (7,424) 212  
Accounts payable 198 (1,132)  
Accrued compensation (6,786) (6,009)  
Accrued expenses and other liabilities (2,399) (296)  
Deferred revenue (4,412) 783  
Change in operating lease liability (837) 451  
Net cash used in operating activities (60,991) (35,255)  
Investing activities      
Purchases of marketable securities (52,764) (10,994)  
Maturities of marketable securities 112,102 28,109  
Sales of marketable securities 9,055 17,420  
Purchases of equipment and leasehold improvements (942) (1,553)  
Net cash provided by investing activities 67,451 32,982  
Financing activities      
Proceeds from sales of common stock, net of issuance costs 10,923    
Payment of debt (3,125)    
Payment of issuance costs   (22)  
Proceeds from exercise of common stock options 314 180  
Taxes paid related to net shares settlement of restricted stock units (451) (404)  
Proceeds from employee stock purchase plan 1,097 1,006  
Net cash provided by financing activities 8,758 760  
Net increase (decrease) in cash, cash equivalents and restricted cash 15,218 (1,513)  
Cash, cash equivalents and restricted cash at beginning of period 48,126 31,286 $ 31,286
Cash, cash equivalents and restricted cash at end of period 63,344 29,773 $ 48,126
Supplemental disclosure of cash flow information:      
Cash paid for interest 393 504  
Supplemental disclosure of non-cash investing and financing information:      
Purchases of equipment included in accounts payable and accrued expense 371 881  
Financing component associated with program fees 2,543    
Deferred offering cost included in accounts payable and accrued expenses $ 101 $ 28