Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Operating activities    
Net loss $ (36,778) $ (19,129)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 935 373
Loss on disposal of assets 3  
Stock-based compensation expense 3,504 2,385
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (847) (153)
Other long term assets (443) (210)
Restricted cash   (413)
Accounts payable 1,426 721
Accrued expenses 1,469 1,536
Deferred rent and lease incentive (209) 61
Net cash used in operating activities (30,940) (14,829)
Investing activities    
Purchases of property and equipment (2,008) (883)
Net cash used in investing activities (2,008) (883)
Financing activities    
Payment on capital lease obligations (95) (32)
Proceeds from issuance of convertible preferred stock, net of issuance costs 39,813  
Proceeds from issuance of common stock 360 336
Proceeds from initial public offering of common stock, net of issuance costs 50,455  
Net cash provided by financing activities 90,533 304
Increase (decrease) in cash and cash equivalents 57,585 (15,408)
Cash and cash equivalents at beginning of period 35,909 60,393
Cash and cash equivalents at end of period 93,494 44,985
Supplemental disclosure of cash flow information:    
Cash paid for interest 15 12
Non-cash investing and financing activities    
Conversion of convertible preferred stock into common stock 82,013  
Property and equipment received but unpaid as of period end 76 669
Assets acquired under capital lease $ 17 389
Offering costs incurred but unpaid at period end   $ 1,612