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Start 7-day demoLatest MTZ insider trades
- Ernst N. Csiszar - DirectorOpen-market sale$2.41M
C. Robert Campbell - DirectorOpen-market sale$1.25M
About MASTEC INC (MTZ)
MASTEC INC is an SEC registrant, filing under CIK 0000015615, classified as water, sewer, pipeline, comm and power line construction. It is grouped with Industrials companies on this site.
MTZ Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 8 | 1,176 | |
| Tax withholding / forfeiture | 4 | 116 | |
| Other acquisition / disposition | 4 | 2,880,258 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
MTZ insider transactions (Form 4)
4077 Form 4 filings on record, the earliest from Oct 9, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Manuel Benito Miranda - Director | Grant or award | Common Stock | 152 | $0.00 | - | |
| Javier Alberto Palomarez - Director | Grant or award | Common Stock | 139 | $0.00 | - | |
| Javier Alberto Palomarez - Director | Tax withholding / forfeiture | Common Stock | 31 footnote F1 | $297.59 | $9K | |
| ||||||
| Ernst N. Csiszar - Director | Grant or award | Common Stock | 152 | $0.00 | - | |
| Ernst N. Csiszar - Director | Tax withholding / forfeiture | Common Stock | 34 footnote F1 | $297.59 | $10K | |
| ||||||
| C. Robert Campbell - Director | Grant or award | Common Stock | 139 | $0.00 | - | |
| Alex Spiro - Director | Grant or award | Common Stock | 139 | $0.00 | - | |
| Robert J. Dwyer - Director | Grant or award | Common Stock | 139 | $0.00 | - | |
| Robert J. Dwyer - Director | Tax withholding / forfeiture | Common Stock | 31 footnote F1 | $297.59 | $9K | |
| ||||||
| Julia L. Johnson - Director | Grant or award | Common Stock | 139 | $0.00 | - | |
| Ava L. Parker - Director | Grant or award | Common Stock | 177 footnote F1 | $0.00 | - | |
| Ava L. Parker - Director | Tax withholding / forfeiture | Common Stock | 20 footnote F2 | $297.59 | $6K | |
| ||||||
| Jose Ramon Mas - Officer | Other | Forward sale contract (potential obligation to sell) | 340,794 | - footnote F1,F2,F3,F4,F5 | - | |
| Jose Ramon Mas - Officer | Other | Forward sale contract (potential obligation to sell) | 340,794 | - footnote F1,F2,F3,F4,F5 | - | |
| ||||||
 Jorge Mas - Director | Other | Forward sale contract (potential obligation to sell) | 1,099,335 | - footnote F1,F2,F3,F4,F5 | - | |
| Jorge Mas - Director | Other | Forward sale contract (potential obligation to sell) | 1,099,335 | - footnote F1,F2,F3,F4,F5 | - | |
| ||||||
| Ernst N. Csiszar - Director | Open-market sale | Common Stock | 6,500 | $371.17 | $2.41M | |
| Ernst N. Csiszar - Director | Grant or award | Common Stock | 104 | $0.00 | - | |
| Ernst N. Csiszar - Director | Tax withholding / forfeiture | Common Stock | 23 footnote F1 | $434.77 | $10K | |
| ||||||
| Robert J. Dwyer - Director | Grant or award | Common Stock | 95 | $0.00 | - | |
| Robert J. Dwyer - Director | Tax withholding / forfeiture | Common Stock | 21 footnote F1 | $434.77 | $9K | |
| ||||||
| Ava L. Parker - Director | Grant or award | Common Stock | 121 footnote F1 | $0.00 | - | |
| Ava L. Parker - Director | Tax withholding / forfeiture | Common Stock | 14 footnote F2 | $434.77 | $6K | |
| ||||||
| C. Robert Campbell - Director | Grant or award | Common Stock | 95 | $0.00 | - | |
| Javier Alberto Palomarez - Director | Grant or award | Common Stock | 95 | $0.00 | - | |
| Javier Alberto Palomarez - Director | Tax withholding / forfeiture | Common Stock | 21 footnote F1 | $434.77 | $9K | |
| ||||||
| Julia L. Johnson - Director | Grant or award | Common Stock | 95 | $0.00 | - | |
| C. Robert Campbell - Director | Open-market sale | Common Stock | 3,000 footnote F1 | $417.00 | $1.25M | |
| ||||||
| Timothy Michael Love - Officer | Grant or award | Common Stock | 492 | $0.00 | - | |
| Javier Alberto Palomarez - Director | Open-market sale | Common Stock | 950 | $325.43 | $309K | |
| Paul Dimarco - Officer | Grant or award | Common Stock | 9,074 | $0.00 | - | |
 Robert E. Apple - Officer | Grant or award | Common Stock | 11,548 | $0.00 | - | |
 Cardenas Alberto de - Officer | Grant or award | Common Stock | 6,269 | $0.00 | - | |
| Jorge Mas - Director | Grant or award | Common Stock | 15,838 | $0.00 | - | |
| Jose Ramon Mas - Officer | Grant or award | Common Stock | 26,397 | $0.00 | - | |
| Jorge Mas - Director | Tax withholding / forfeiture | Common Stock | 15,958 footnote F1 | $297.81 | $4.75M | |
| ||||||
| Jose Ramon Mas - Officer | Tax withholding / forfeiture | Common Stock | 28,184 footnote F1 | $297.81 | $8.39M | |
| ||||||
| Robert E. Apple - Officer | Tax withholding / forfeiture | Common Stock | 12,206 footnote F1 | $297.81 | $3.64M | |
| ||||||
| Cardenas Alberto de - Officer | Tax withholding / forfeiture | Common Stock | 4,838 footnote F1 | $297.81 | $1.44M | |
| ||||||
| Ernst N. Csiszar - Director | Open-market sale | Common Stock | 6,500 | $300.40 | $1.95M | |
Item 1.01, 2.03, 9.01
Item 1.01, 8.01, 9.01
Item 9.01
Item 2.02, 5.02, 7.01, 9.01
Recent MTZ Form 144 notices of proposed sale
2An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
Stock trades in MTZ disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Thomas H. Kean, Jr.Republican, NJ-07 | Purchase |
MTZ insider trading FAQ
What is the latest insider trade for MTZ?
MASTEC INC (MTZ) had 10 insider filings in the last 90 days, with the most recent on 2026-08-18. The full record for MTZ runs to 77 Form 4 filings, the earliest from 2024-10-09. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MTZ stock?
No insider purchases of MTZ were filed in the last 90 days.
How many insiders are selling MTZ stock?
No insider sales of MTZ were filed in the last 90 days. 28 sales are on record for this company.
Where can I see MTZ SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MTZ Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Manuel Benito Miranda view on EDGAR
- - Javier Alberto Palomarez view on EDGAR
- - Ernst N. Csiszar view on EDGAR
- - C. Robert Campbell view on EDGAR
- - Alex Spiro view on EDGAR
- - Robert J. Dwyer view on EDGAR
- - Julia L. Johnson view on EDGAR
- - Ava L. Parker view on EDGAR
- - Jose Ramon Mas view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Industrials
- Where MTZ's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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