MTZ insider buying and SEC filings, explained
Mastec Inc. · CIK 15615
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$6.3M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jun 3, 2026 | Sale | Ernst N Csiszar (Director) sold 6,500 shares at $371.17 ($2.4M). Holdings down 38% to 10,816 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 5, 2026 |
| May 4, 2026 | Sale | C Robert Campbell (Director) sold 3,000 shares at $417.00 ($1.3M). Holdings down 9% to 30,646 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 6, 2026 |
| Mar 25, 2026 | Sale | Javier Alberto Palomarez (Director) sold 950 shares at $325.43 ($309K). Holdings down 8% to 10,592 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 27, 2026 |
| Mar 3, 2026 | Sale | Ernst N Csiszar (Director) sold 6,500 shares at $300.40 ($2.0M). Holdings down 27% to 17,235 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Nov 3, 2025 | Sale | Timothy Michael Love (CAO) sold 1,929 shares at about $206.15 ($398K). Holdings down 17% to 9,757 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
38 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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