MasTec (MTZ) CFO Paul DiMarco receives 9,074-share stock grant, boosts holdings

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

DiMarco Paul reported acquisition or exercise transactions in this Form 4 filing.

MasTec CFO Paul DiMarco received a grant of 9,074 shares of MasTec common stock on March 18, 2026. The award was recorded at a price of $0.0000 per share, indicating a compensation-related share grant rather than an open‑market purchase.

After this grant, DiMarco directly owns 66,627 common shares. He also has 10,012.933 shares held indirectly through a 401(k) plan, which includes 4,575 shares contributed to the Paul DiMarco Revocable Trust, where he is sole trustee and sole beneficiary.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider DiMarco Paul

Role CFO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	9,074	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 66,627 shares (Direct); Common Stock — 10,012.933 shares (Indirect, By 401(k) plan)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

03/20/2026 - 05:01 PM

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^*

DiMarco Paul

(Last)

(First)

(Middle)

800 S DOUGLAS ROAD

12TH FLOOR

(Street)

CORAL GABLES

FLORIDA

33134

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/18/2026		A		9,074	A	$0	66,627⁽¹⁾	D
Common Stock								10,012.933	I	By 401(k) plan

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Includes 4,575 shares of MasTec common stock contributed by the reporting person to the Paul DiMarco Revocable Trust of which the reporting person is the sole trustee and sole beneficiary.

Remarks:

	\s\ Alberto de Cardenas For: Paul DiMarco	03/20/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did MasTec (MTZ) CFO Paul DiMarco report in this Form 4?

MasTec CFO Paul DiMarco reported receiving a grant of 9,074 shares of common stock. This was a compensation-related award at no stated purchase price, increasing his direct and indirect equity stake in the company.

How many MasTec (MTZ) shares does CFO Paul DiMarco hold after the grant?

After the March 18, 2026 grant, Paul DiMarco directly holds 66,627 MasTec common shares. He also has 10,012.933 shares held indirectly through a 401(k) plan, reflecting both direct and retirement-plan-based ownership.

Was the MasTec (MTZ) CFO’s Form 4 transaction a market purchase or a grant?

The Form 4 shows a grant of 9,074 MasTec common shares to CFO Paul DiMarco. The transaction is coded as a grant/award with a per-share price of $0.0000, indicating compensation, not an open-market purchase.

What indirect MasTec (MTZ) holdings does CFO Paul DiMarco report?

Paul DiMarco reports 10,012.933 MasTec common shares held indirectly through a 401(k) plan. A footnote states this includes 4,575 shares contributed to the Paul DiMarco Revocable Trust, where he serves as sole trustee and beneficiary.

Does the MasTec (MTZ) Form 4 show any stock sales by CFO Paul DiMarco?

The Form 4 does not report any stock sales by CFO Paul DiMarco. It records an acquisition of 9,074 common shares as a grant and updates his direct and indirect share holdings accordingly, without any disposition entries.

What is the significance of the Paul DiMarco Revocable Trust in this MasTec (MTZ) filing?

The filing notes that 4,575 MasTec shares were contributed to the Paul DiMarco Revocable Trust. DiMarco is the sole trustee and sole beneficiary, so these shares remain associated with his overall beneficial ownership, despite being held in the trust.