MasTec (NYSE: MTZ) director now holds 30,880 shares

Rhea-AI Filing Summary

MASTEC INC (MTZ) reported that director Campbell C. Robert received a grant or award of 139 shares of Common Stock on 2026-08-14. The shares were acquired at a stated price of $0.00 per share as a non-derivative equity award, bringing the director’s directly held stake to 30,880 shares.

Insider Trade Summary

Net Buyer: 139 shares

Net Buy 1 txn

Insider Campbell C Robert

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	139	$0.00	$0.00

Holdings After Transaction: Common Stock — 30,880 shares (Direct)

Key Figures

Shares granted: 139 shares Transaction price per share: $0.00 Shares owned after transaction: 30,880 shares

3 metrics

Shares granted 139 shares Non-derivative Common Stock award on 2026-08-14

Transaction price per share $0.00 Stated price for the 139-share Common Stock award

Shares owned after transaction 30,880 shares Director’s directly held MTZ Common Stock following the grant

Key Terms

Form 4, non-derivative, grant/award acquisition

3 terms

Form 4 regulatory

"reported on Form 4 by a director as an insider transaction"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

"The shares were acquired as a non-derivative equity award"

grant/award acquisition financial

"described as a grant/award acquisition of Common Stock"

FAQ

What insider transaction did MTZ disclose for Campbell C. Robert?

MTZ disclosed that director Campbell C. Robert received a grant or award of 139 Common Stock shares on 2026-08-14. This is a non-derivative equity award reported on Form 4, increasing his directly held stake in MASTEC INC.

How many MTZ shares did the reporting person hold after the latest Form 4 transaction?

After the reported transaction, the director directly held 30,880 shares of MTZ Common Stock. This figure reflects holdings following the 139-share grant or award disclosed as a non-derivative acquisition on 2026-08-14.

Was the MTZ Form 4 transaction a purchase or a grant?

The MTZ Form 4 transaction was a grant or award acquisition, coded “A” for an award or other acquisition, not an open-market purchase. The filing describes it as a non-derivative equity award of 139 Common Stock shares at a stated price of $0.00.

What price was reported for the 139 MTZ shares acquired by the director?

The 139 MTZ Common Stock shares were reported with a transaction price of $0.00 per share. This indicates the shares were received as a grant or award rather than bought on the market, and are classified as a non-derivative transaction.

Does the MTZ Form 4 indicate use of a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as an affirmative plan. Combined with the award nature of the transaction, this indicates the 139-share grant was a compensation-related equity award rather than trading under a pre-arranged 10b5-1 plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 04:41 PM Accepted by SEC EDGAR 08/18/2026 - 04:40 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).

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^*

Campbell C Robert

(Last) (First) (Middle)

4145 PINTA COURT

(Street)

CORAL GABLES FLORIDA 33146

(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)
08/14/2026

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	08/14/2026		A		139	A	$0	30,880	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: Robert Campbell	08/18/2026
	** 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)