Form4insider filings, from the source

Insider · CIK 0001341639

Ernst N Csiszar

Files at: MTZ, PN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.4M · 1net −$2.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 14, 2026 AFForm 4 →Aug 18, 4:41 pm EDTMASTEC INCMTZ186$297.59$10,11810,934—
Jun 3, 2026 SForm 4 →Jun 5, 4:35 pm EDTMASTEC INCMTZ6,500$371.17$2,412,60510,816−37.5%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.