Mas receives 15,838-share award from MasTec

MAS JORGE reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MAS JORGE reported acquisition or exercise transactions in this Form 4 filing.

MASTEC INC director Jorge Mas received a grant of 15,838 shares of Common Stock on March 18, 2026, as a compensation-related award at no stated price. Following this grant, he directly holds 4,556,686 shares.

He also reports several indirect holdings. These include shares held by the Jorge Mas Irrevocable Family Trust dated August 7, 2018, Mas Equity Partners III, LLC, the Mas Family Foundation, Inc., and Jorge Mas Holdings I, LLC. In multiple cases he disclaims beneficial ownership of the indirectly held shares, except to the extent of any pecuniary interest described.

Insider Trade Summary

Grant/Award: 15,838 shares

Grant/Award 5 txns

Insider MAS JORGE

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	15,838	$0.00	$0.00
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 4,556,686 shares (Direct); Common Stock — 6,890,425 shares (Indirect, Indirect)

Footnotes (4)

1. F1. Shares held by the Jorge Mas Irrevocable Family Trust dated August 7, 2018, one of the trustees of which is the reporting person's spouse. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purpose of Section 16 or for any other purpose.
2. F2. Shares owned by Mas Equity Partners III, LLC, a Delaware limited liability company ("MEP III"), in which Mas Equity Partners, LLC ("MEP") is a member. The sole member of MEP is the reporting person. The reporting person disclaims beneficial ownership of the securities held by MEP III except to the extent of his pecuniary interest therein.
3. F3. Shares owned of record by the Mas Family Foundation, Inc., a Florida not-for-profit corporation (the "Family Foundation"), of which the reporting person is the president. The reporting person disclaims beneficial ownership of all shares owned by the Family Foundation.
4. F4. Shares owned of record by Jorge Mas Holdings I, LLC, a Florida limited liability company, which is controlled by Jorge Mas Holdings, LLC, a Florida limited liability company, of which the reporting person is the sole member.

FAQ

What insider transaction did Jorge Mas report for MASTEC INC (MTZ)?

Jorge Mas reported receiving 15,838 shares of MASTEC INC Common Stock as a grant or award on March 18, 2026, at no stated purchase price. This is a compensation-related acquisition rather than an open-market buy or sale of shares.

How many MASTEC INC shares does Jorge Mas hold directly after this Form 4?

After the March 18, 2026 grant, Jorge Mas directly holds 4,556,686 MASTEC INC Common Stock shares. This figure reflects his direct ownership only and does not include various indirect holdings reported through trusts, LLCs, and a family foundation.

What indirect MASTEC INC shareholdings related to Jorge Mas are disclosed?

Indirect holdings include shares held by the Jorge Mas Irrevocable Family Trust, Mas Equity Partners III, LLC, the Mas Family Foundation, Inc., and Jorge Mas Holdings I, LLC. The filing specifies these entities as record owners, with Jorge Mas often disclaiming beneficial ownership of their shares.

Does Jorge Mas disclaim beneficial ownership of any reported MASTEC INC shares?

Yes. He disclaims beneficial ownership of shares held by the Jorge Mas Irrevocable Family Trust, Mas Equity Partners III, LLC except for his pecuniary interest, and the Mas Family Foundation, Inc. These disclosures clarify his economic and control relationship to those indirect holdings.

Were there any MASTEC INC share sales reported by Jorge Mas in this Form 4?

No share sales are reported. The filing shows one acquisition of 15,838 Common Stock shares as a grant or award, plus several entries that simply state updated indirect holdings, without indicating any open-market buying or selling activity.

What is the nature of the 15,838-share MASTEC INC award to Jorge Mas?

The 15,838 shares are classified as a grant, award, or other acquisition of Common Stock. The transaction price per share is listed as 0.0000, indicating a compensation-related award rather than a purchase in the market at a cash price.

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Accepted by SEC EDGAR 03/20/2026 - 04:59 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^*

MAS JORGE

(Last) (First) (Middle)

800 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)

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

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/18/2026		A		15,838	A	$0	4,556,686	D
Common Stock								848,941	I	Indirect(1)
Common Stock								276,000	I	Indirect(2)
Common Stock								100,000	I	Indirect(3)
Common Stock								5,665,484	I	Indirect(4)

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:

1. Shares held by the Jorge Mas Irrevocable Family Trust dated August 7, 2018, one of the trustees of which is the reporting person's spouse. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purpose of Section 16 or for any other purpose.

2. Shares owned by Mas Equity Partners III, LLC, a Delaware limited liability company ("MEP III"), in which Mas Equity Partners, LLC ("MEP") is a member. The sole member of MEP is the reporting person. The reporting person disclaims beneficial ownership of the securities held by MEP III except to the extent of his pecuniary interest therein.

3. Shares owned of record by the Mas Family Foundation, Inc., a Florida not-for-profit corporation (the "Family Foundation"), of which the reporting person is the president. The reporting person disclaims beneficial ownership of all shares owned by the Family Foundation.

4. Shares owned of record by Jorge Mas Holdings I, LLC, a Florida limited liability company, which is controlled by Jorge Mas Holdings, LLC, a Florida limited liability company, of which the reporting person is the sole member.

Remarks:

	\s\ Alberto de Cardenas For: Jorge Mas	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)