12 insiders reported 95 Form 4 transactions for MASTEC INC (MTZ) over the past 18 months (most recent 2026-06-05). Recent activity: Csiszar Ernst N (Director) Sell 6,500 shares, JOHNSON JULIA L (Director) Buy 95 shares, Dwyer Robert J (Director) Buy 95 shares, Campbell C Robert (Director) Buy 95 shares, Csiszar Ernst N (Director) Buy 104 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | Csiszar Ernst N | Director | Sell | 6,500 | $2.4M |
| 2026-05-19 | JOHNSON JULIA L | Director | Buy | 95 | $0 |
| 2026-05-19 | Dwyer Robert J | Director | Buy | 95 | $0 |
| 2026-05-19 | Campbell C Robert | Director | Buy | 95 | $0 |
| 2026-05-19 | Csiszar Ernst N | Director | Buy | 104 | $0 |
| 2026-05-19 | Parker Ava L | Director | Buy | 121 | $0 |
| 2026-05-19 | Palomarez Javier Alberto | Director | Buy | 95 | $0 |
| 2026-05-19 | Dwyer Robert J | Director | Sell | 21 | $9,130 |
| 2026-05-19 | Csiszar Ernst N | Director | Sell | 23 | $10,000 |
| 2026-05-19 | Palomarez Javier Alberto | Director | Sell | 21 | $9,130 |
| 2026-05-19 | Parker Ava L | Director | Sell | 14 | $6,087 |
| 2026-04-17 | Love Timothy Michael | CAO | Buy | 492 | $0 |
| 2026-03-27 | Palomarez Javier Alberto | Director | Sell | 950 | $309,158 |
| 2026-03-20 | DiMarco Paul | CFO | Buy | 9,074 | $0 |
| 2026-03-20 | Apple Robert E | COO | Buy | 11,548 | $0 |
| 2026-03-20 | MAS JORGE | Director | Buy | 15,838 | $0 |
| 2026-03-20 | MAS JOSE RAMON | CEO | Buy | 26,397 | $0 |
| 2026-03-20 | de Cardenas Alberto | EVP, General Counsel | Buy | 6,269 | $0 |
| 2026-03-12 | de Cardenas Alberto | EVP, General Counsel | Sell | 4,838 | $1.4M |
| 2026-03-12 | MAS JOSE RAMON | CEO | Sell | 28,184 | $8.4M |
| 2026-03-12 | Apple Robert E | COO | Sell | 12,206 | $3.6M |
| 2026-03-12 | MAS JORGE | Director | Sell | 15,958 | $4.8M |
| 2026-03-05 | Csiszar Ernst N | Director | Sell | 6,500 | $2.0M |
| 2026-02-18 | Palomarez Javier Alberto | Director | Sell | 34 | $9,164 |
| 2026-02-18 | Palomarez Javier Alberto | Director | Buy | 154 | $0 |
Source: SEC Form 4 filings · as of 2026-06-05