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v3.22.2.2

Condensed Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Cash flows from operating activities |  |
Net loss | $ (29,990) | $ (92,257)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 20 | 1
Change in fair value of preferred stock tranche rights liability and preferred stock warrant liability |  | 81,157
Stock-based compensation expense | 2,173 | 557
Amortization of premiums and accretion of discounts on marketable securities, net | 575 | (6)
Amortization of right-of-use asset | 100 |
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | 2,058 | (4,297)
Other assets | (78) | (13)
Accounts payable | 996 | (149)
Operating lease liability | (100) |
Accrued expenses and other current liabilities | 296 | 685
Net cash used in operating activities | (23,950) | (14,322)
Cash flows from investing activities |  |
Purchases of marketable securities | (12,129) | (94,095)
Proceeds from maturities and sales of marketable securities | 71,860 |
Purchases of property and equipment | (126) | (14)
Net cash provided by (used in) investing activities | 59,605 | (94,109)
Cash flows from financing activities |  |
Proceeds from issuance of Series B milestone shares, net of issuance costs |  | 30,031
Proceeds from issuance of common stock upon initial public offering, net of offering costs |  | 168,559
Payment of deferred offering costs | (296) |
Proceeds from the exercise of stock options | 19 | 2
Net cash provided by (used in) financing activities | (277) | 200,456
Net change in cash and cash equivalents | 35,378 | 92,025
Cash and cash equivalents at the beginning of the period | 122,162 | 43,777
Cash and cash equivalents at the end of the period | 157,540 | 135,802
Supplemental disclosure of noncash investing and financing activities |  |
Right-of-use asset obtained in exchange for operating lease liabilities | 233 |
Deferred offering costs in accrued expenses and other current liabilities | 41 | 0
Reclassification of preferred stock tranche rights liability upon share issuance | 0 | 81,190
Conversion of convertible preferred stock into common stock upon initial public offering | 0 | 174,504
Reclassification of warrant liability upon exercise of preferred stock warrant |  | 5,380
Series A -1 Convertible Preferred Stock Warrant Liability [Member] |  |
Cash flows from financing activities |  |
Proceeds from exercise of warrants |  | 1,250
Common Stock Warrants [Member] |  |
Cash flows from financing activities |  |
Proceeds from exercise of warrants |  | $ 614

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- Definition Amount of amortization expense for right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow for purchase of marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9212-128498 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9215-128498 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=127000608&loc=d3e9135-128495 + Details
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- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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