MasTec (MTZ) director Manuel Benito Miranda named as insider in Form 3

Rhea-AI Filing Summary

MASTEC INC director Manuel Benito Miranda filed an initial Form 3 as a reporting person. The submission lists no reportable transactions or equity holdings, indicating a neutral ownership position at the time of this insider registration.

Key Figures

Reported buy transactions: 0 Reported sell transactions: 0 Net buy/sell shares: 0 shares

3 metrics

Reported buy transactions 0 Buy transaction count in the Form 3 insider data

Reported sell transactions 0 Sell transaction count in the Form 3 insider data

Net buy/sell shares 0 shares Net share change across all reported transactions

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Available on EDGAR 07/10/2026 - 04:34 PM Accepted by SEC EDGAR 07/10/2026 - 04:34 PM Learn about SEC filing dates

FAQ

What does Manuel Benito Miranda’s Form 3 mean for MASTEC INC (MTZ)?

Form 3 identifies Manuel Benito Miranda as a director and reporting person for MASTEC INC (MTZ). It shows no reportable transactions or equity holdings, indicating a neutral ownership position at the time of this initial disclosure.

Did Manuel Benito Miranda buy or sell any MTZ shares in this Form 3?

No. The Form 3 lists no buy or sell transactions for MASTEC INC (MTZ). Transaction counts and share amounts are all zero, reflecting only the establishment of reporting status as a director.

Does the Form 3 show any MTZ shares owned by Manuel Benito Miranda?

No. The insider data show no reported holdings for Manuel Benito Miranda in MASTEC INC (MTZ). Holding entries are zero, so the form records status as a reporting person without disclosing any current equity position.

Is there any indication of stock options or derivatives for MTZ in this Form 3?

No. The derivative summary and exercise-related fields show zero derivative transactions and zero exercise shares for MASTEC INC (MTZ), indicating no options or similar instruments are reported in this initial statement.

How should MTZ investors interpret a Form 3 with no transactions or holdings?

A Form 3 with no reported holdings or trades for MASTEC INC (MTZ) is generally administrative. It establishes the person as an insider for future reporting, without signaling a bullish or bearish view.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Miranda Manuel Benito

(Last) (First) (Middle)

1111 LOUISIANA ST.

SUITE 4600

(Street)

HOUSTON TEXAS 77002

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2026

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

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

EXHIBIT LIST: Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	\s\ Alberto de Cardenas For: Manuel Benito Miranda	07/10/2026
	** 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 5 (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 3: SEC 1473 (03-26)