Robert J. Dwyer - 14 Aug 2026 Form 4 Insider Report for MASTEC INC (MTZ)

Reporting relationship
Director
Issuer ticker
MTZ
Reported as of
14 Aug 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
18 Aug 2026, 16:40:03 UTC
Prior SEC filing
19 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
\s\ Alberto de Cardenas For: Robert Dwyer

Key filing fact

Robert J. Dwyer filed Form 4 for MASTEC INC (MTZ) on 18 Aug 2026.

Key facts

  • This page summarizes Robert J. Dwyer's Form 4 filing for MASTEC INC (MTZ).
  • 2 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 18 Aug 2026, 16:40.

Change

  • Previous filing in this sequence was filed on 19 May 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001307141 Primary reporting owner

Dwyer Robert J

Relationship
Director
Address
622 N. FLAGLER DR., APT 1103, WEST PALM BEACH
Signature
\s\ Alberto de Cardenas For: Robert Dwyer
Signature date
18 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MTZ transaction

Common Stock

Award

Transaction value
Shares
+139
Change %
+0.67%
Price
$0.000000*
Shares after
20,991
Date
14 Aug 2026
Ownership
Direct
MTZ transaction

Common Stock

Tax liability

Transaction value
Shares
-31
Change %
-0.15%
Price
$297.59*
Shares after
20,960
Date
14 Aug 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares disposed of represent shares withheld by the Issuer to pay taxes due upon vesting of restricted stock.

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