Summary
Updated Aug 30, 2026
Cardenas Alberto de is EVP, General Counsel of MASTEC INC (MTZ). 3 SEC Form 4 filings on record going back to 2025, most recently on 20 March 2026. Most recent open-market trade: sold $1.79M of MTZ on 5 August 2025. Lifetime open-market sales: $1.81M.
Recent Transactions
4Every recent SEC Form 4 transaction Cardenas Alberto de has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Cardenas Alberto de go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Cardenas Alberto de files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ernst N. Csiszar - $4.37M of MTZ open-market activity in the last 12 months
- C. Robert Campbell - $2.24M of MTZ open-market activity in the last 12 months
- Robert E. Apple - $2.00M of MTZ open-market activity in the last 12 months
- Timothy Michael Love - $398K of MTZ open-market activity in the last 12 months
- Javier Alberto Palomarez - $309K of MTZ open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Cardenas Alberto de?
Cardenas Alberto de is a corporate insider, tracked as EVP, General Counsel of MASTEC INC (MTZ). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Cardenas Alberto de last file a Form 4?
The most recent primary Form 4 on record is dated 20 March 2026, one of 3 filings going back to 2025.
Has Cardenas Alberto de been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.81M) across all tracked filings.
Where can I see all of Cardenas Alberto de's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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