[Form 4] MasTec, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Julia L. Johnson, a director of MasTec, Inc. (MTZ), reported an acquisition of 232 shares of MasTec common stock on 08/15/2025. The reported transaction code is "A" and the price is shown as $0. After the transaction she beneficially owns 72,871 shares. The Form 4 was signed on 08/19/2025 and filed as an individual filing by one reporting person.

Positive

• Director purchase disclosed: Julia L. Johnson reported acquiring 232 shares, increasing her stake to 72,871 shares, which provides transparency to investors

Negative

• None.

Insights

Financial Analyst

TL;DR: Director acquired 232 shares at reported $0, increasing beneficial ownership to 72,871 shares; routine insider disclosure with limited market impact.

The filing documents a non-derivative acquisition of 232 shares on 08/15/2025 by Julia L. Johnson, a director of MasTec (MTZ). The transaction code is "A" and the reported price is $0, which the form records without further explanation. The resulting beneficial ownership is 72,871 shares. For investors, this is a routine Section 16 disclosure noting insider holdings; no additional financial metrics or material corporate events are included.

Corporate Governance Expert

TL;DR: Routine Form 4 reporting an insider acquisition; compliant disclosure but no contextual details about grant or plan.

The submission fulfills Section 16 reporting by showing an insider acquisition on 08/15/2025 and a manual signature on 08/19/2025. The record shows acquisition code "A" and a $0 price, but the form contains no explanatory remarks about the source (e.g., gift, grant, or stock plan). From a governance perspective, the filing is a standard transparency step; it does not disclose material corporate governance changes.

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^*

JOHNSON JULIA L

(Last) (First) (Middle)

PO BOX 14737

(Street)

TALLAHASSEE FL 32317

(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)
08/15/2025

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	08/15/2025		A		232	A	$0	72,871	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: Julia Johnson	08/19/2025
	** 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 did Julia L. Johnson report on Form 4 for MasTec (MTZ)?

She reported an acquisition of 232 shares of MasTec common stock on 08/15/2025, with beneficial ownership of 72,871 shares following the transaction.

What transaction code and price are shown on the Form 4 filed by Julia Johnson for MTZ?

The Form 4 lists transaction code "A" (acquisition) and a reported price of $0.

When was the Form 4 for Julia L. Johnson signed and filed?

The signature block shows the form executed for Julia Johnson by Alberto de Cardenas on 08/19/2025.

Does the Form 4 include explanations for the $0 price reported for the 232 shares?

No. The filing contains no remarks or explanation describing the reason the price is reported as $0.

Was the Form 4 filed individually or jointly for MasTec insider activity?

The Form 4 was filed as one reporting person (individual filing).