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UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Cash Flows from Operating Activities: |  |
Net income | $ 8,660 | $ 27,210
Adjustment to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 168,549 | 116,095
Interest accretion on landfill and environmental remediation liabilities | 8,758 | 7,470
Amortization of debt issuance costs | 2,224 | 2,221
Stock-based compensation | 7,433 | 6,699
Operating lease right-of-use assets expense | 13,119 | 10,956
Disposition of assets, other items and charges, net | 12,459 | 279
Loss from termination of bridge financing | 0 | 8,191
Deferred income taxes | 3,424 | 5,233
Changes in assets and liabilities, net of effects of acquisitions and divestitures: |  |
Accounts receivable | (8,865) | (23,298)
Landfill operating lease contract expenditures | (3,486) | (3,336)
Accounts payable | (20,532) | 24,568
Prepaid expenses, inventories and other assets | (6,086) | (10,112)
Accrued expenses, contract liabilities and other liabilities | (14,063) | (14,351)
Net cash provided by operating activities | 171,594 | 157,825
Cash Flows from Investing Activities: |  |
Acquisitions, net of cash acquired | (259,196) | (847,763)
Additions to intangible assets | (265) | 0
Additions to property and equipment | (126,361) | (90,364)
Proceeds from sale of property and equipment | 1,047 | 971
Proceeds from property insurance settlement | 146 | 0
Net cash used in investing activities | (384,629) | (937,156)
Cash Flows from Financing Activities: |  |
Proceeds from debt borrowings | 801,750 | 465,000
Principal payments on debt | (780,771) | (18,563)
Payments of debt issuance costs | (6,448) | (12,759)
Proceeds from the exercise of share based awards | 0 | 89
Proceeds from the public offering of Class A common stock | 496,569 | 496,231
Net cash provided by financing activities | 511,100 | 929,998
Net increase in cash, cash equivalents and restricted cash | 298,065 | 150,667
Cash, cash equivalents and restricted cash, beginning of period | 220,912 | 71,152
Cash, cash equivalents and restricted cash, end of period | 518,977 | 221,819
Cash paid during the period for: |  |
Cash interest payments | 45,685 | 28,626
Cash income tax payments | 5,135 | 9,689
Supplemental Disclosure of Non-Cash Activities: |  |
Non-current assets obtained through long-term financing obligations | 23,679 | 8,053
Right-of-use assets obtained in exchange for operating lease obligations | $ 10,776 | $ 18,558

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