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Mastec Inc

MTZ
Exchange
NYSE
Industry
Water, Sewer, Pipeline, Comm & Power Line Construction
SEC CIK
0000015615

In the last 90 days, Mastec Inc insiders filed 0 open-market purchases and 1 sale; 915 institutions reported holding it in 13F filings for Q2 2026, worth $24.7B in total; 4 superinvestors hold it, including Lone Pine Capital and Coatue Management.

SEC filings

10-K, 10-Q, 8-K, 20-F and 40-F reports Mastec Inc filed with the SEC, newest first.

Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.

SEC filings by Mastec Inc
FiledForm8-K itemsPeriodDocumentFiling index
Oct 29, 20268-K2.027.019.01Oct 29, 2026SECIndex
Oct 29, 202610-Q–Sep 30, 2026SECIndex
Aug 17, 20268-K1.012.039.01Aug 17, 2026SECIndex
Aug 10, 20268-K1.018.019.01Aug 6, 2026SECIndex
Jul 31, 20268-K9.01Jul 31, 2026SECIndex
Jul 30, 20268-K2.025.027.019.01Jul 24, 2026SECIndex
Jul 30, 202610-Q–Jun 30, 2026SECIndex
Jul 20, 20268-K2.03Jul 20, 2026SECIndex
Jul 7, 20268-K1.012.033.025.029.01Jun 30, 2026SECIndex
May 22, 20268-K5.07May 21, 2026SECIndex
Apr 30, 20268-K2.027.019.01Apr 30, 2026SECIndex
Apr 30, 202610-Q–Mar 31, 2026SECIndex
Feb 26, 202610-K–Dec 31, 2025SECIndex
Feb 26, 20268-K2.027.019.01Feb 26, 2026SECIndex
Oct 30, 20258-K2.027.019.01Oct 30, 2025SECIndex
Oct 30, 202510-Q–Sep 30, 2025SECIndex
Aug 27, 20258-K5.049.01Aug 22, 2025SECIndex
Jul 31, 20258-K2.027.019.01Jul 31, 2025SECIndex
Jul 31, 202510-Q–Jun 30, 2025SECIndex
Jun 27, 20258-K1.012.039.01Jun 26, 2025SECIndex
May 27, 20258-K5.07May 22, 2025SECIndex
May 2, 20258-K2.027.019.01May 1, 2025SECIndex
May 1, 202510-Q–Mar 31, 2025SECIndex
Apr 22, 20258-K1.04Apr 16, 2025SECIndex
Feb 28, 20258-K2.027.019.01Feb 27, 2025SECIndex
Feb 28, 202510-K–Dec 31, 2024SECIndex
Oct 31, 20248-K2.027.019.01Oct 31, 2024SECIndex
Oct 31, 202410-Q–Sep 30, 2024SECIndex
Aug 2, 20248-K2.027.019.01Aug 1, 2024SECIndex
Aug 1, 202410-Q–Jun 30, 2024SECIndex
Jun 20, 20248-K8.019.01Jun 20, 2024SECIndex
Jun 10, 20248-K1.012.039.01Jun 10, 2024SECIndex
Jun 6, 20248-K1.018.019.01Jun 5, 2024SECIndex
Jun 5, 20248-K8.019.01Jun 5, 2024SECIndex
May 17, 20248-K5.025.079.01May 14, 2024SECIndex
May 3, 20248-K2.027.019.01May 2, 2024SECIndex
May 2, 202410-Q–Mar 31, 2024SECIndex
Mar 8, 20248-K4.019.01Mar 5, 2024SECIndex
Mar 1, 20248-K2.027.019.01Feb 29, 2024SECIndex
Mar 1, 202410-K–Dec 31, 2023SECIndex
Nov 2, 202310-Q–Sep 30, 2023SECIndex
Nov 1, 20238-K2.027.019.01Oct 31, 2023SECIndex
Oct 5, 20238-K/A5.07May 16, 2023SECIndex
Aug 4, 20238-K2.027.019.01Aug 3, 2023SECIndex
Aug 3, 202310-Q–Jun 30, 2023SECIndex
May 18, 20238-K5.07May 16, 2023SECIndex
May 17, 20238-K5.02May 16, 2023SECIndex
May 5, 20238-K2.027.019.01May 4, 2023SECIndex
May 4, 202310-Q–Mar 31, 2023SECIndex
Mar 31, 20238-K5.02Mar 31, 2023SECIndex