InsiderFlow

MasTec, Inc.

$290.52-6.43 (-2.17%)

Prev Close

$296.95

Open

$300.16

High

$303.50

Low

$289.13

Volume

1.71M

Market Cap

$22.50B

P/E

57.30

Div Yield

Over the past 12 months, insider activity at MasTec, Inc. (MTZ) has been exclusively selling, with 0 insider purchases totaling $0.00 and 5 insider sales totaling $3.94M. The most recent insider transaction was by Csiszar Ernst N (director), who sold $3.91M worth of shares on Mar 5, 2026. MasTec, Inc. operates in the Industrials sector, within the Engineering & Construction industry, with a market cap of $22.50B.

Buys (12M)

0

$0.00

Sells (12M)

5

$3.94M

Net Activity

Net Seller

$3.94M

Active Insiders

4

last 12 mo

MTZ Price Chart

MTZ Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 5, 2026Csiszar Ernst NdirectorSell13,000$300.40$3.91M17,235
Feb 13, 2026Csiszar Ernst NDirectorSell37$269.53$10.0K0
Feb 13, 2026Dwyer Robert JDirectorSell34$269.53$9.2K0
Feb 13, 2026Palomarez Javier AlbertoDirectorSell34$269.53$9.2K0
Feb 13, 2026Parker Ava LDirectorSell22$269.53$5.9K0

MTZ Insider Buying Activity

The following table shows recent insider purchases of MasTec, Inc. (MTZ) stock reported via SEC Form 4 filings.

No insider buying activity found for MTZ in the last 12 months.

MTZ Insider Selling Activity

The following table shows recent insider sales of MasTec, Inc. (MTZ) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 5, 2026Csiszar Ernst NdirectorSell13,000$300.40$3.91M17,235
Feb 13, 2026Csiszar Ernst NDirectorSell37$269.53$10.0K0
Feb 13, 2026Dwyer Robert JDirectorSell34$269.53$9.2K0
Feb 13, 2026Palomarez Javier AlbertoDirectorSell34$269.53$9.2K0
Feb 13, 2026Parker Ava LDirectorSell22$269.53$5.9K0

MTZ Insiders

Csiszar Ernst N

director

Sold $3.91M
2 tradesLast: Mar 3, 2026
Csiszar Ernst N

Director

Sold $10.0K
1 tradesLast: Feb 13, 2026
Dwyer Robert J

Director

Sold $9.2K
1 tradesLast: Feb 13, 2026
Palomarez Javier Alberto

Director

Sold $9.2K
1 tradesLast: Feb 13, 2026
Parker Ava L

Director

Sold $5.9K
1 tradesLast: Feb 13, 2026