A recent insider sale at MasTec Inc has sparked interest among investors. On August 22nd, Director Ernst Csiszar sold 4,853 shares of the company, reducing his direct ownership to 25,000 shares. This transaction, along with a string of previous insider sales, has led some analysts to question the company’s valuation and potential future trajectory. MasTec, a leading infrastructure construction company operating primarily in North America, has a market capitalization of approximately $8.784 billion. While the company’s price-to-GF-Value ratio currently sits at 0.98, indicating a fair valuation, the recent insider activity suggests a potential shift in sentiment. Investors are closely watching MasTec’s performance, particularly in light of the recent insider activity and the company’s valuation metrics.