Director at MasTec (NYSE: MTZ) sells 950 shares in open-market trade

Rhea-AI Filing Summary

MasTec Inc. director Javier Alberto Palomarez sold shares in an open-market trade. On March 25, 2026, he sold 950 shares of MasTec common stock at $325.43 per share. After this transaction, he directly owned 10,592 shares of MasTec common stock, indicating he retained a substantial position.

Insider Trade Summary

Net Seller: 950 shares ($309,159)

Net Sell 1 txn

Insider Palomarez Javier Alberto

Role Director

Sold 950 shs ($309K)

Type	Security	Shares	Price	Value
Sale	Common Stock	950	$325.43	$309K

Holdings After Transaction: Common Stock — 10,592 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Palomarez Javier Alberto

(Last) (First) (Middle)

1025 CANONGATE DRIVE

(Street)

FLOWER MOUND TEXAS 75022

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/25/2026

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

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

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

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	03/25/2026		S		950	D	$325.43	10,592	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:

Remarks:

	\s\ Alberto de Cardenas For: Javier Palomarez	03/27/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did MasTec (MTZ) director Javier Alberto Palomarez report?

Director Javier Alberto Palomarez reported an open-market sale of MasTec common stock. He sold 950 shares in a single transaction, as disclosed in a Form 4, reflecting a reduction but not an exit of his direct equity position in the company.

How many MasTec (MTZ) shares did Javier Alberto Palomarez sell and at what price?

Javier Alberto Palomarez sold 950 shares of MasTec common stock. The trade was executed at a price of $325.43 per share in an open-market transaction, according to the Form 4 insider trading disclosure filed for this transaction.

When did the reported MasTec (MTZ) insider sale by Javier Alberto Palomarez occur?

The reported insider sale by Javier Alberto Palomarez took place on March 25, 2026. The Form 4 shows this date as the transaction date for the open-market sale of 950 MasTec common shares at a price of $325.43 per share.

How many MasTec (MTZ) shares does Javier Alberto Palomarez own after the sale?

After the reported transaction, Javier Alberto Palomarez directly owns 10,592 shares of MasTec common stock. This post-transaction holding is disclosed in the Form 4 and shows that he continues to maintain a meaningful direct equity stake in the company.

Was the MasTec (MTZ) insider transaction a buy or a sell?

The MasTec insider transaction was a sell. Form 4 data show transaction code “S” and classify it as an open-market sale, with Javier Alberto Palomarez disposing of 950 shares of MasTec common stock at a price of $325.43 per share.

Does the MasTec (MTZ) Form 4 show any option exercises or derivative trades?

The Form 4 does not report any option exercises or derivative trades. It shows only one non-derivative transaction: an open-market sale of 950 shares of MasTec common stock, with no remaining derivative positions listed in the derivative summary section.