Insider Trades Superinvestors Grand Portfolio

DH

DataHeimdall

Financial transparency data from public SEC filings.

Product

Insider Trades
Grand Portfolio

Company

About
Blog
Contact

Legal

Privacy Policy
Terms of Service
Disclaimer

© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.

Ernst N Csiszar – Insider Trading Activity | DataHeimdall

Ernst N Csiszar

Director at MASTEC INC

CIK: 1341639

1

Total trades

0

Buys

1

Sells

Jun 3, 2026

Last trade

Date	Stock	Type	Shares	Value	Src
Jun 3, 2026	MTZMASTEC INC	Sell	6,500	$2.4M