Form 4: MasTec Director Sells Shares Under 10b5-1 Plan

MasTec Director C. Robert Campbell sold 3,000 shares of common stock for $190.39 per share on September 11, 2025, under a pre-arranged trading plan.

Summary

• C. Robert Campbell, a Director of MasTec Inc. (MTZ), reported the sale of common stock.
• The transaction involved the disposition of 3,000 shares of MasTec common stock.
• The shares were sold at a price of $190.39 per share.
• The total value of the shares sold was $571,170 (3,000 shares * $190.39/share).
• The sale occurred on September 11, 2025.
• The transaction was executed pursuant to a Rule 10b5-1(c) pre-arranged trading plan.
• Following this transaction, C. Robert Campbell beneficially owns 35,277 shares of MasTec common stock directly.
• The shares were sold in 47 separate transactions, each at the reported price of $190.39.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While an insider sale can sometimes be viewed negatively, the disclosure of a Rule 10b5-1 plan mitigates concerns about opportunistic timing, suggesting a pre-planned financial management decision rather than a reaction to new information.

Positives

• The transaction was conducted under a Rule 10b5-1 plan, indicating it was pre-scheduled and not based on immediate, non-public information, which can mitigate concerns about opportunistic insider selling.

Negatives

• A director selling a significant number of shares, even under a 10b5-1 plan, can sometimes be interpreted by the market as a signal that the stock may be fully valued or that the insider is diversifying their holdings.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

This filing reports an individual insider transaction and does not provide broader industry context or trends.

Stakeholder Impact

• Shareholders may interpret the director's sale as a signal regarding the stock's valuation, potentially influencing short-term sentiment, though the 10b5-1 plan reduces the perceived urgency or informational basis of the sale.

Key Dates

Keywords

MasTec, MTZ, insider trading, Form 4, director sale, stock transaction, 10b5-1 plan, equity disposition