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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Operating activities |  |
Net loss | $ (29,442) | $ (25,772)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation, depletion and amortization | 29,068 | 19,733
Amortization related to long-term debt | 758 | 472
Gain on sales of property and equipment, net | (1,418) | (2,037)
Stock-based compensation | 12,895 | 4,828
Equity in net income from unconsolidated construction joint ventures | (2,290) | (911)
Net income from affiliates | (3,970) | (5,187)
Other non-cash adjustments | (691) | (151)
Changes in assets and liabilities: |  |
Receivables | 169,965 | 66,800
Contract assets, net | (62,882) | (59,307)
Inventories | (13,066) | (11,083)
Contributions to unconsolidated construction joint ventures | (2,000) | (3,350)
Distributions from unconsolidated construction joint ventures and affiliates | 7,914 | 2,478
Other assets, net | (7,134) | (5,724)
Accounts payable | (60,029) | (42,955)
Accrued expenses and other liabilities, net | (13,605) | (14,522)
Net cash provided by (used in) operating activities | 24,073 | (76,688)
Investing activities |  |
Maturities of marketable securities | 20,000 | 10,000
Purchases of property and equipment | (27,871) | (40,461)
Proceeds from sales of property and equipment | 2,535 | 4,518
Proceeds from company owned life insurance | 0 | 1,545
Return of investment in affiliates | 693 | 0
Cash paid for purchase price adjustments on business acquisition (See Note 3) | (6,119) | 0
Collection of notes receivable | 0 | 62
Net cash used in investing activities | (10,762) | (24,336)
Financing activities |  |
Debt principal repayments | (102,140) | (256)
Cash dividends paid | (5,713) | (5,687)
Repurchases of common stock | (7,416) | (3,523)
Contributions from non-controlling partners | 10,000 | 17,600
Distributions to non-controlling partners | (3,950) | (1,350)
Other financing activities, net | (3) | 0
Net cash provided by (used in) financing activities | (109,222) | 6,784
Net decrease in cash, cash equivalents | (95,911) | (94,240)
Cash and cash equivalents at beginning of period | 417,663 | 293,991
Cash and cash equivalents at end of period | 321,752 | 199,751
Supplementary Information |  |
Right of use assets obtained in exchange for lease obligations | 6,498 | 3,388
Operating lease liabilities | 5,681 | 5,824
Interest | 4,099 | 1,012
Income taxes | 831 | 166
Non-cash investing and financing activities: |  |
RSUs issued, net of forfeitures | 17,987 | 9,552
Dividends declared but not paid | 5,739 | 5,704
Contributions from non-controlling partners | $ 888 | $ 1,324

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