MTZ insider trading: MASTEC INC insider buys & sells · Whale Atlas

MTZ

NYSE

MASTEC INC

Latest disclosureAugust 18, 2026

Insider score Why 0?: 0/ 100
Qualifying buys · 30d: $0

0 purchases · 3 sales

Price by TradingView

Insider transactions 30

Limited filing history

Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

Showing the first 6 of 20 trades on this page.

Award disclosed

Manuel Benito Miranda

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Award disclosed

Javier Alberto Palomarez

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Source: SEC EDGAR · Form 4
Issuer CIK: 0000015615
Latest public acceptance: Aug 18, 2026, 09:14 PM UTC
Score calculated: Oct 7, 2026, 12:03 AM UTC
Parser: form4-parser-1.5
Classifier: form4-classifier-1.1
Scoring methodology: insider-experimental-1.1
Availability: Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Award disclosed

Alex Spiro

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Award disclosed

Robert J. Dwyer

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Tax or exercise withholding

Robert J. Dwyer

Director

Common Stock

Value context: $9.23K
Reported price: $297.59 / share

Award disclosed

Julia L. Johnson

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Award disclosed

Ava L. Parker

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Tax or exercise withholding

Ava L. Parker

Director

Common Stock

Value context: $5.95K
Reported price: $297.59 / share

Other activity disclosed

Jose Ramon Mas

CEO

Forward sale contract (potential obligation to sell)

Derivative security · not the ordinary share price.

Value context: Unavailable
Reported price: Price not reported

Other activity disclosed

Jose Ramon Mas

CEO

Forward sale contract (potential obligation to sell)

Derivative security · not the ordinary share price.

Value context: Unavailable
Reported price: Price not reported

Other activity disclosed

Jorge Mas

Director

Forward sale contract (potential obligation to sell)

Derivative security · not the ordinary share price.

Value context: Unavailable
Reported price: Price not reported

Other activity disclosed

Jorge Mas

Director

Forward sale contract (potential obligation to sell)

Derivative security · not the ordinary share price.

Value context: Unavailable
Reported price: Price not reported

Sale disclosed

Ernst N. Csiszar

Director

Common Stock

Reported value: $2.41M
Reported price: $371.17 / share

Award disclosed

Ernst N. Csiszar

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Tax or exercise withholding

Ernst N. Csiszar

Director

Common Stock

Value context: $10K
Reported price: $434.77 / share

Award disclosed

Robert J. Dwyer

Director

Common Stock

Value context: Non-cash award
Reported price: Award · no purchase price

Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Reporting insider	Security / transaction	Amount / price	Value	Traded / disclosed	Source
Director	Common StockGrant or award	152Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	139Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockExercise-price or tax withholding	31$297.59 / share	$9.23K	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	152Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockExercise-price or tax withholding	34$297.59 / share	$10.12K	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	139Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	139Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	139Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockExercise-price or tax withholding	31$297.59 / share	$9.23K	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	139Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockGrant or award	177Award · no purchase price	Non-cash award	Aug 14Filed Aug 18 · 4d later	SEC filing
Director	Common StockExercise-price or tax withholding	20$297.59 / share	$5.95K	Aug 14Filed Aug 18 · 4d later	SEC filing
CEO	Forward sale contract (potential obligation to sell)Other transaction	Derivative units340,794Price not reported	Unavailable	Aug 11Filed Aug 13 · 2d later	SEC filing
CEO	Forward sale contract (potential obligation to sell)Other transaction	Derivative units340,794Price not reported	Unavailable	Aug 11Filed Aug 13 · 2d later	SEC filing
Director	Forward sale contract (potential obligation to sell)Other transaction	Derivative units1,099,335Price not reported	Unavailable	Aug 11Filed Aug 13 · 2d later	SEC filing
Director	Forward sale contract (potential obligation to sell)Other transaction	Derivative units1,099,335Price not reported	Unavailable	Aug 11Filed Aug 13 · 2d later	SEC filing
Director	Common StockSale	6,500$371.17 / share	$2.41M	Jun 3Filed Jun 5 · 2d later	SEC filing
Director	Common StockGrant or award	104Award · no purchase price	Non-cash award	May 15Filed May 19 · 4d later	SEC filing
Director	Common StockExercise-price or tax withholding	23$434.77 / share	$10K	May 15Filed May 19 · 4d later	SEC filing
Director	Common StockGrant or award	95Award · no purchase price	Non-cash award	May 15Filed May 19 · 4d later	SEC filing

Congress transactions 7

All Congress filings

Purchase disclosed

MasTec, Inc. Common Stock (MTZ) · Stock

The filing reports a purchase for the member.

Thomas H. Kean JrReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: August 21, 2026

Full sale disclosed

MasTec, Inc. Common Stock · Stock

The filing reports a full sale for a joint account.

Markwayne MullinReporting Senate member

Reported amount: $15,001 – $50,000Reported range; exact amount not disclosed.
Trade date: February 4, 2026

Full sale disclosed

MasTec, Inc. Common Stock · Stock

The filing reports a full sale for the member.

Markwayne MullinReporting Senate member

Reported amount: $15,001 – $50,000Reported range; exact amount not disclosed.
Trade date: December 18, 2025

Full sale disclosed

MasTec, Inc. Common Stock · Stock

The filing reports a full sale for a spouse.

Markwayne MullinReporting Senate member

Reported amount: $15,001 – $50,000Reported range; exact amount not disclosed.
Trade date: December 18, 2025

Sale disclosed

MasTec, Inc. Common Stock (MTZ) · Stock

The filing reports a sale for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 31, 2025

Purchase disclosed

MasTec, Inc. Common Stock (MTZ) · Stock

The filing reports a purchase for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

Sale disclosed

MasTec, Inc. Common Stock (MTZ) · Stock

The filing reports a sale for a spouse.

Lisa McClainReporting House member

Reported amount: $1,001 – $15,000Reported range; exact amount not disclosed.
Trade date: October 30, 2025

0 purchases · 3 sales

Insider transactions 30

Manuel Benito Miranda

Javier Alberto Palomarez

Why this buying score?

No qualifying common-equity purchases

Sources and coverage

Javier Alberto Palomarez

Ernst N. Csiszar

Ernst N. Csiszar

C. Robert Campbell

Alex Spiro

Robert J. Dwyer

Robert J. Dwyer

Julia L. Johnson

Ava L. Parker

Ava L. Parker

Jose Ramon Mas

Jose Ramon Mas

Jorge Mas

Jorge Mas

Ernst N. Csiszar

Ernst N. Csiszar

Ernst N. Csiszar

Robert J. Dwyer

Congress transactions 7