Mastec Inc (MTZ) insider trading

Every open-market stock purchase and sale by Mastec Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.

Insider activity at a glance

  • Insiders sold $6.3M over the last 12 months (5 sales). No open-market buys.
  • Last insider buy: Jorge Mas (10% owner), $1.9M, 11 years ago.
  • Congress: Lisa McClain sold $1K to $15K, 11 months ago.

Last 12 months: insiders bought $0 (0 buys) and sold $6.3M (5 sales). Last close $271.86 on Aug 20, 2026.

Recent MTZ insider trades

DateInsiderTradeValue
Aug 14, 2026Ernst N Csiszar (Director)Sold (not open market)$10.1K
Aug 14, 2026Robert J Dwyer (Director)Sold (not open market)$9.2K
Aug 14, 2026Javier Alberto Palomarez (Director)Sold (not open market)$9.2K
Aug 14, 2026Ava L Parker (Director)Sold (not open market)$6K
Aug 14, 2026Manuel Benito Miranda (Director)Bought (not open market)—
Aug 14, 2026Javier Alberto Palomarez (Director)Bought (not open market)—
Aug 14, 2026Ernst N Csiszar (Director)Bought (not open market)—
Aug 14, 2026Ava L Parker (Director)Bought (not open market)—
Aug 14, 2026Julia L Johnson (Director)Bought (not open market)—
Aug 14, 2026Robert J Dwyer (Director)Bought (not open market)—
Aug 14, 2026Alex Spiro (Director)Bought (not open market)—
Aug 14, 2026C Robert Campbell (Director)Bought (not open market)—
Jun 3, 2026Ernst N Csiszar (Director)Sold$2.4M
May 15, 2026Ernst N Csiszar (Director)Sold (not open market)$10K
May 15, 2026Robert J Dwyer (Director)Sold (not open market)$9.1K
May 15, 2026Javier Alberto Palomarez (Director)Sold (not open market)$9.1K
May 15, 2026Ava L Parker (Director)Sold (not open market)$6.1K
May 15, 2026Ernst N Csiszar (Director)Bought (not open market)—
May 15, 2026Ava L Parker (Director)Bought (not open market)—
May 15, 2026C Robert Campbell (Director)Bought (not open market)—
May 15, 2026Robert J Dwyer (Director)Bought (not open market)—
May 15, 2026Julia L Johnson (Director)Bought (not open market)—
May 15, 2026Javier Alberto Palomarez (Director)Bought (not open market)—
May 4, 2026C Robert Campbell (Director)Sold$1.3M
Mar 25, 2026Javier Alberto Palomarez (Director)Sold$309K

Who's trading MTZ

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