4processed

Form 4 — Insider Transaction

MASTEC INC(MTZ)

Filing Date

May 15, 2026

Accepted

May 15, 2026

Accession No.

0000015615-26-000065

CIK

0000015615

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Csiszar Ernst NOther104$017.3KCommon StockMay 15, 2026
Csiszar Ernst NOther23$434.7717.3KCommon StockMay 15, 2026