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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities: |  |  |
Net Income (Loss) |  | $ 9,009 | $ 35,123
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization |  | 33,884 | 31,473
Amortization of debt discount and issuance costs |  | 7,727 | 914
Stock-based compensation |  | 18,655 | 12,737
Deferred income taxes, net |  | (3,753) | (2,053)
Contingent consideration |  | 0 | 3,026
Non-cash interest income |  | 0 | (2,023)
Operating lease right of use assets amortization | [1] | 8,716 | 6,487
Other |  | 103 | 849
Changes in operating assets and liabilities, excluding impact of acquisitions: |  |  |
Accounts receivable |  | (1,245) | (4,606)
Inventories |  | 10,474 | (2,508)
Prepaid expenses and other assets |  | 457 | (12,879)
Other assets |  | 364 | (888)
Accounts payable |  | 1,547 | (3,871)
Accrued expenses |  | 2,259 | (11,769)
Operating lease liabilities |  | (1,198) | (4,544)
Long-term liabilities |  | (101) | 154
Total cash provided by operating activities |  | 86,898 | 45,622
Cash flows from investing activities: |  |  |
Acquisitions, net of cash acquired |  | 0 | (28,099)
Proceeds from maturity of marketable securities held to maturity |  | 0 | 102,323
Additions to capitalized software costs |  | (2,619) | (2,075)
Purchases of property, plant and equipment |  | (13,154) | (16,749)
Other investing activities |  | 11 | 0
Total cash (used in) provided by investing activities |  | (15,762) | 55,400
Cash flows from financing activities: |  |  |
Proceeds from exercise of stock options |  | 1,788 | 62
Payment of tax withholding obligation on vesting of restricted stock |  | (8,857) | (11,140)
Payment of earnout consideration |  | (7,375) | (7,298)
Other financing activities |  | (303) | (12)
Total cash used in financing activities |  | (14,747) | (18,388)
Effect of exchange rate changes on cash and cash equivalents |  | 1,434 | (2,436)
Net increase in cash and cash equivalents |  | 57,823 | 80,198
Cash, cash equivalents, beginning of period |  | 751,323 | 523,458
Cash and cash equivalents, end of period |  | 809,146 | 603,656
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Assets acquired under operating leases |  | 23,860 | 831
Fair value of shares of common stock issued for contingent consideration earnouts |  | 5,742 | 7,229
FlexBiosys, Inc. |  |  |
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Fair value of common stock issued for acquisition |  | $ 0 | $ 5,243
[1] | *Amounts reclassified in the current presentation from a component of “Changes in operating assets and liabilities” to a component of “Adjustments to reconcile net income.” The reclassification did not result in any change to total cash provided by operating activities.

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