Over the last 12 months, Mastec insiders reported no purchases and 1 sale totaling $2.4M across SEC Form 4 filings.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Jun 3, 2026 | Csiszar Ernst ND | ▼ Sale | 6,500 | $371.17 | $2.4M | -37.5% | — |
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $MTZ feed.