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v3.22.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Operating activities |  |
Net income | $ 32,859 | $ 891
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 985 | 1,106
Amortization of right-of-use assets and loss on disposal of property and equipment | 743 | 653
(Accretion of discounts) amortization of premium on marketable securities | (181) | 221
Change in fair value of warrant liability | (1,801) | 25,552
Stock compensation expense | 7,646 | 4,723
Non-cash interest expense | 1,680 | 414
Changes in operating assets and liabilities: |  |
Accounts and other receivables, net | (5,120) | (61,333)
Inventories, net | (17,703) | (5,157)
Prepaid manufacturing | 21,325 | (3,219)
Prepaid expenses and other current assets | (9,231) | (171)
Other assets | (49) | (95)
Accounts payable | 16,938 | (295)
Cepi Accrual | (21,478) | 0
Lease liabilities | (806) | (751)
Deferred revenue | (36,661) | 78,340
Accrued liabilities and other liabilities | (39,589) | (2,847)
Net cash provided by (used in) operating activities | (50,443) | 38,032
Investing activities |  |
Purchases of marketable securities | (250,375) | (72,016)
Proceeds from maturities and redemptions of marketable securities | 35,250 | 51,130
Purchases of property and equipment, net | (1,358) | (1,747)
Net cash used in investing activities | (216,483) | (22,633)
Financing activities |  |
Proceeds from issuance of common stock, net | 0 | 28,156
Proceeds from warrants exercises | 8,455 | 3,377
Proceeds from exercise of stock options and restricted stock awards, net | 1,122 | 387
Proceeds from Employee Stock Purchase Plan | 710 | 383
Net cash provided by financing activities | 10,287 | 32,303
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (134) | (731)
Net (decrease) increase in cash, cash equivalents and restricted cash | (256,773) | 46,971
Cash, cash equivalents and restricted cash at beginning of period | 436,408 | 32,310
Cash, cash equivalents and restricted cash at end of period | 179,635 | 79,281
Supplemental disclosure of cash flow information |  |
Cash paid during the period for income taxes | 87 | 0
Cash paid during the period for interest | 0 | 4,296
Non-cash investing and financing activities: |  |
Purchases of property and equipment, not yet paid | 2,007 | 411
Right-of-use assets obtained in exchange of lease liabilities (modification) | $ 1,173 | $ 0

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