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v3.21.2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash flows from operating activities: |  |
Net loss | $ (56,353) | $ (35,448)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 7,856 | 2,872
Depreciation and amortization expense | 2,194 | 1,502
Amortization (accretion) of premium (discount) on marketable securities | 412 |
Changes in operating assets and liabilities: |  |
Tenant receivable |  | 448
Prepaid expenses and other current assets | (2,140) | (2,514)
Other noncurrent assets | (584) | (151)
Accounts payable | 322 | 799
Accrued expenses and other current liabilities | (171) | (304)
Deferred rent |  | (468)
Net cash used in operating activities | (48,464) | (33,264)
Cash flows from investing activities: |  |
Purchases of property and equipment | (2,183) | (2,223)
Purchases of marketable securities |  | (129,399)
Maturities of marketable securities | 165,900 |
Net cash provided by (used in) investing activities | 163,717 | (131,622)
Cash flows from financing activities: |  |
Proceeds from issuance of convertible preferred stock, net of issuance costs incurred and paid in current period |  | 108,854
Proceeds from initial public offering of common stock, net of underwriting discounts and commissions | 211,876 | 213,900
Payment of offering costs | (550) | (1,493)
Proceeds from exercise of stock options | 2,604 | 185
Net cash provided by financing activities | 213,930 | 321,446
Net increase in cash, cash equivalents and restricted cash | 329,183 | 156,560
Cash, cash equivalents and restricted cash at beginning of period | 64,940 | 17,183
Cash, cash equivalents and restricted cash at end of period | 394,123 | 173,743
Supplemental disclosure of noncash investing and financing information: |  |
Conversion of convertible preferred stock to common stock |  | 224,425
Purchases of property and equipment included in accounts payable and accrued expenses | 333 | 900
Offering costs included in accounts payable and accrued expenses | $ 118 | $ 1,692

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- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 + Details
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- References No definition available. + Details
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