MasTec (MTZ) CFO tax withholding: 2,925 shares; 57,553 owned

MasTec (MTZ) reported an insider transaction by its CFO on a Form 4.

Rhea-AI Filing Summary

MasTec (MTZ) reported an insider transaction by its CFO on a Form 4. On 10/10/2025, the officer disposed of 2,925 shares of common stock under transaction code F, which reflects shares withheld by the company to cover taxes upon vesting of restricted stock, at a price of $210.09.

Following the transaction, the reporting person beneficially owns 57,553 shares directly and 10,012.9581 shares indirectly through a 401(k) plan.

Insider Trade Summary

Exercise Price or Tax Liability: 2,925 shares

Exercise Price or Tax Liability 2 txns

Insider DiMarco Paul

Role CFO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	2,925	$210.09	$615K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 57,553 shares (Direct); Common Stock — 10,012.9581 shares (Indirect, By 401(k) plan)

Footnotes (1)

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

FAQ

What did MasTec (MTZ) disclose in this Form 4?

An insider transaction by the CFO on 10/10/2025 involving the disposal of 2,925 shares under code F.

How many MasTec shares were disposed of and at what price?

The CFO disposed of 2,925 shares at $210.09 per share.

What does transaction code F mean in this filing?

Code F indicates shares withheld by the issuer to pay taxes upon vesting of restricted stock.

How many shares does the reporting person own after the transaction?

Beneficial ownership is 57,553 shares directly and 10,012.9581 shares indirectly via a 401(k) plan.

When did the reported MasTec transaction occur?

The transaction date is 10/10/2025.

What is the reporting person’s relationship to MasTec (MTZ)?

The reporting person is an Officer (CFO).

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Accepted by SEC EDGAR 10/15/2025 - 04:39 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).

1. Name and Address of Reporting Person^*

DiMarco Paul

(Last) (First) (Middle)

800 S DOUGLAS ROAD

12TH FLOOR

(Street)

CORAL GABLES FL 33134

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/10/2025

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	10/10/2025		F		2,925(1)	D	$210.09	57,553	D
Common Stock								10,012.9581	I	By 401(k) plan

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: Paul DiMarco	10/15/2025
	** 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.