[Form 4] MASTEC INC Insider Trading Activity

Rhea-AI Filing Summary

MasTec, Inc. director reports routine equity award activity. Director Javier Palomarez reported two transactions in MasTec common stock on 11/14/2025. He acquired 215 shares at a stated price of $0, which reflects the vesting of restricted stock. He also disposed of 48 shares at $192.22 per share, with the company stating these shares were withheld to cover taxes due upon the vesting. After these transactions, he beneficially owned 11,422 shares of MasTec common stock held directly.

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
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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^*

Palomarez Javier Alberto

(Last) (First) (Middle)

1025 CANONGATE DRIVE

(Street)

FLOWER MOUND TX 75022

(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	11,470	D
Common Stock	11/14/2025		F		48(1)	D	$192.22	11,422	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: Javier Palomarez	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.

FAQ

What insider transaction did MasTec (MTZ) report for its director?

MasTec (MTZ) reported that director Javier Palomarez acquired 215 shares of common stock through restricted stock vesting and had 48 shares withheld to pay taxes related to that vesting.

On what date did the reported MasTec (MTZ) insider transactions occur?

The reported transactions for MasTec (MTZ) director Javier Palomarez occurred on 11/14/2025, as disclosed in the Form 4.

How many MasTec (MTZ) shares does the reporting person own after the Form 4 transactions?

Following the reported transactions, director Javier Palomarez beneficially owned 11,422 shares of MasTec (MTZ) common stock, held directly.

What was the purpose of the 48 MasTec (MTZ) shares disposed of on 11/14/2025?

The 48 shares of MasTec (MTZ) common stock were disposed of to cover taxes due upon the vesting of restricted stock, according to the explanation of responses.

What price was reported for the MasTec (MTZ) shares withheld for taxes?

The 48 shares withheld to pay taxes upon vesting of restricted stock were reported at a price of $192.22 per share.

Does the MasTec (MTZ) Form 4 indicate any derivative securities activity?

The Form 4 includes a section for derivative securities, but the provided content does not show any derivative securities being acquired or disposed of for this reporting person.