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Equity | 12 Months Ended
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Dec. 31, 2025
Equity [Abstract] |
Equity | Equity Share Activity The Company’s share repurchase program provides for the repurchase, from time to time, of MasTec common shares in open market transactions or in privately negotiated transactions in accordance with applicable securities laws. The timing and the amount of any repurchases is determined based on market conditions, legal requirements, cash flow and liquidity needs, and other factors. The Company’s share repurchase program, under which the Company undertakes share repurchases for strategic purposes, including (i) when management believes that the market price of the Company’s stock is undervalued, (ii) such repurchases will enhance long-term shareholder value, (iii) the Company has adequate liquidity, and (iv) management believes that such repurchases are appropriate uses of capital, do not have an expiration date and may be modified or suspended at any time at the Company’s discretion. Share repurchases, which are recorded at cost and are held in the Company’s treasury, are funded with available cash or with availability under the Credit Facility. The Company may use either authorized and unissued shares or treasury shares to meet share issuance requirements. Treasury stock is recorded at cost. Share repurchases are recorded as of the trade date, whereas payments for share repurchases are made on the date the trade is settled. For the year ended December 31, 2025, the Company repurchased 0.7 million shares of its common stock for an aggregate purchase price totaling $77.3 million, which completed the Company’s $150 million March 2020 share repurchase program during the second quarter of 2025. There were no share repurchases under the Company’s share repurchase program for either of the years ended December 31, 2024 or 2023. In May 2025, the Company’s Board of Directors authorized a new $250 million share repurchase program, for which the full amount remains available for future share repurchases as of December 31, 2025. During the fourth quarter of 2024, the Company reissued approximately 0.1 million shares of its treasury stock with a cost basis of $3.1 million in settlement of certain Additional Payments in connection with the HMG acquisition. For additional information related to shares issued for acquisitions, see Note 2 - Earnings Per Share and Note 3 - Acquisitions, Goodwill and Other Intangible Assets, Net. Accumulated Other Comprehensive Loss A rollforward of activity within accumulated other comprehensive income (loss) for the periods indicated was as follows (in thousands):
|  | Year Ended December 31,
|  | 2025 |  | 2024 |  | 2023
|  | Foreign Currency |  | Other |  | Total |  | Foreign Currency |  | Other |  | Total |  | Foreign Currency |  | Other |  | Total
Balance as of January 1 |  | $ | (53,607) |  |  | $ | 12,760 |  |  | $ | (40,847) |  |  | $ | (65,408) |  |  | $ | 12,411 |  |  | $ | (52,997) |  |  | $ | (67,103) |  |  | $ | 16,148 |  |  | $ | (50,955) |
Unrealized gains (losses), net of tax |  | 2,766 |  |  | (5,952) |  |  | (3,186) |  |  | (2,949) |  |  | 349 |  |  | (2,600) |  |  | 1,695 |  |  | (3,737) |  |  | (2,042) |
Consideration transferred in a foreign subsidiary |  | — |  |  | — |  |  | — |  |  | 14,750 |  |  | — |  |  | 14,750 |  |  | — |  |  | — |  |  | — |
Balance as of December 31 |  | $ | (50,841) |  |  | $ | 6,808 |  |  | $ | (44,033) |  |  | $ | (53,607) |  |  | $ | 12,760 |  |  | $ | (40,847) |  |  | $ | (65,408) |  |  | $ | 12,411 |  |  | $ | (52,997) |
Unrealized foreign currency translation activity, net, for the three years in the period ended December 31, 2025 relates primarily to the Company’s activities in Canada and Mexico. Other unrealized activity within accumulated comprehensive loss for the three years in the period ended December 31, 2025 primarily relates to unrealized investment gains or losses associated with interest rate swaps for the Waha JVs. See Note 4 - Fair Value of Financial Instruments for additional information. Consideration transferred in a foreign subsidiary relates to the 40% equity interest of a MasTec subsidiary that was included as consideration transferred for a 2024 acquisition. See Note 3 - Acquisitions, Goodwill and Other Intangible Assets, Net for additional information.

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