Jorge Mas - 10 Mar 2026 Form 4 Insider Report for MASTEC INC (MTZ)

Role
Director
Signature
\s\ Alberto de Cardenas For: Jorge Mas
Issuer symbol
MTZ
Transactions as of
10 Mar 2026
Net transactions value
$0
Form type
4
Filing time
12 Mar 2026, 16:30:47 UTC
Previous filing
22 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MAS JORGE Director 800 DOUGLAS ROAD, 12TH FLOOR, CORAL GABLES \s\ Alberto de Cardenas For: Jorge Mas 12 Mar 2026 0000920559

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTZ Common Stock Tax liability -15,958 -0.35% $297.81* 4,540,848 10 Mar 2026 Direct F1
holding MTZ Common Stock 848,941 10 Mar 2026 Indirect F2
holding MTZ Common Stock 276,000 10 Mar 2026 Indirect F3
holding MTZ Common Stock 100,000 10 Mar 2026 Indirect F4
holding MTZ Common Stock 5,665,484 10 Mar 2026 Indirect F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares disposed of represent shares withheld by the Issuer to pay taxes due upon vesting of restricted stock.
F2 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.
F3 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.
F4 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.
F5 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.