MasTec (MTZ) director reports stock award and tax withholding

MasTec Inc. (MTZ) director reports equity award and tax withholding.

Rhea-AI Filing Summary

MasTec Inc. (MTZ) director reports equity award and tax withholding. Director Robert Dwyer reported acquiring 215 shares of MasTec common stock on 11/14/2025 at a stated price of $0, reflecting a stock-based award. On the same date, 48 shares were disposed of at $192.22 per share to cover taxes due upon the vesting of restricted stock, as explained in the footnote. Following these transactions, Dwyer directly beneficially owns 20,658 shares of MasTec common stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Dwyer Robert J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	215	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	48	$192.22	$9K

Holdings After Transaction: Common Stock — 20,658 shares (Direct)

Footnotes (1)

1. F1. Shares disposed of represent shares withheld by the Issuer to pay taxes due upon vesting of restricted stock.

FAQ

What insider transaction did MasTec (MTZ) report for Robert Dwyer?

Director Robert Dwyer reported acquiring 215 shares of MasTec common stock on 11/14/2025, as shown on a Form 4 filing.

Were any MasTec (MTZ) shares sold to cover taxes in this Form 4?

Yes. The filing states that 48 shares were disposed of at $192.22 per share, representing shares withheld by the issuer to pay taxes due upon vesting of restricted stock.

How many MasTec (MTZ) shares does Robert Dwyer own after this transaction?

After the reported transactions, Robert Dwyer directly beneficially owns 20,658 shares of MasTec common stock.

What was the reported price for the MasTec (MTZ) shares acquired by Robert Dwyer?

The 215 shares of MasTec common stock reported as acquired on 11/14/2025 were shown with a price of $0, indicating a stock-based award rather than an open-market purchase.

What do the transaction codes A and F mean in the MasTec (MTZ) Form 4?

In the filing, code A indicates shares acquired, while code F indicates shares disposed of to pay taxes due upon vesting of restricted stock, as described in the explanation of responses.

What is Robert Dwyer’s role at MasTec (MTZ)?

The Form 4 identifies Robert Dwyer as a Director of MasTec Inc.

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Accepted by SEC EDGAR 11/18/2025 - 04:43 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Dwyer Robert J

(Last) (First) (Middle)

622 N. FLAGLER DR.

APT 1103

(Street)

WEST PALM BEACH FL 33401

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MASTEC INC [ MTZ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/14/2025		A		215	A	$0	20,706	D
Common Stock	11/14/2025		F		48(1)	D	$192.22	20,658	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

Remarks:

	\s\ Alberto de Cardenas For: Robert Dwyer	11/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.