Mastec Inc (MTZ) insider trading.
In Q3 2026, insiders at Mastec Inc reported 12 non-derivative transactions on 12 Forms 3, 4 and 5: 0 open-market purchases and 0 sales.
- Transactions
- 12
- Purchases (P)
- 0
- Sales (S)
- 0
- Net shares, P minus S
- 0
- Insiders
- 8
- Last filed
- 2026-08-18
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Parker Ava L | Director | 2 | 0 | 0 |
| Dwyer Robert J | Director | 2 | 0 | 0 |
| Csiszar Ernst N | Director | 2 | 0 | 0 |
| Palomarez Javier Alberto | Director | 2 | 0 | 0 |
| Johnson Julia L | Director | 1 | 0 | 0 |
| Spiro Alex | Director | 1 | 0 | 0 |
| Campbell C Robert | Director | 1 | 0 | 0 |
| Miranda Manuel Benito | Director | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-14 | Parker Ava L | A (A) | 177 | $0 | 5,569 | Form 4 |
| 2026-08-14 | Parker Ava L | F (D) | 20 | $297.59 | 5,549 | Form 4 |
| 2026-08-14 | Johnson Julia L | A (A) | 139 | $0 | 73,474 | Form 4 |
| 2026-08-14 | Dwyer Robert J | A (A) | 139 | $0 | 20,991 | Form 4 |
| 2026-08-14 | Dwyer Robert J | F (D) | 31 | $297.59 | 20,960 | Form 4 |
| 2026-08-14 | Spiro Alex | A (A) | 139 | $0 | 139 | Form 4 |
| 2026-08-14 | Campbell C Robert | A (A) | 139 | $0 | 30,880 | Form 4 |
| 2026-08-14 | Csiszar Ernst N | A (A) | 152 | $0 | 10,968 | Form 4 |
| 2026-08-14 | Csiszar Ernst N | F (D) | 34 | $297.59 | 10,934 | Form 4 |
| 2026-08-14 | Palomarez Javier Alberto | A (A) | 139 | $0 | 10,805 | Form 4 |
| 2026-08-14 | Palomarez Javier Alberto | F (D) | 31 | $297.59 | 10,774 | Form 4 |
| 2026-08-14 | Miranda Manuel Benito | A (A) | 152 | $0 | 152 | Form 4 |
Transaction codes in this quarter
Get MTZ insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=15615&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · MTZ company page · Mastec Inc on SEC.gov
Questions
Are insiders buying or selling Mastec Inc (MTZ)?
In Q3 2026, insiders at Mastec Inc reported 12 non-derivative transactions on 12 Forms 3, 4 and 5: 0 open-market purchases and 0 sales. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Mastec Inc insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/mtz.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.