0001950047-24-006409.txt : 20240822 0001950047-24-006409.hdr.sgml : 20240822 20240822164200 ACCESSION NUMBER: 0001950047-24-006409 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240822 DATE AS OF CHANGE: 20240822 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MASTEC INC CENTRAL INDEX KEY: 0000015615 STANDARD INDUSTRIAL CLASSIFICATION: WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623] ORGANIZATION NAME: 05 Real Estate & Construction IRS NUMBER: 650829355 STATE OF INCORPORATION: FL FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-08106 FILM NUMBER: 241232519 BUSINESS ADDRESS: STREET 1: 800 S. DOUGLAS ROAD STREET 2: 12TH FLOOR CITY: CORAL GABLES STATE: FL ZIP: 33134 BUSINESS PHONE: 3055991800 MAIL ADDRESS: STREET 1: 800 S. DOUGLAS ROAD STREET 2: 12TH FLOOR CITY: CORAL GABLES STATE: FL ZIP: 33134 FORMER COMPANY: FORMER CONFORMED NAME: BURNUP & SIMS INC DATE OF NAME CHANGE: 19920703 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Csiszar Ernst N CENTRAL INDEX KEY: 0001341639 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 2600 S RIVER ROAD CITY: DES PLAINES STATE: IL ZIP: 60018 144 1 primary_doc.xml 144 0001341639 XXXXXXXX LIVE 0000015615 MASTEC INC. 001-08106 800 S. Douglas Road, 12th Floor Coral Gables FL 33134 305-599-1800 ERNEST N CSISZAR Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

4853 538480.63 79220966 08/22/2024 NYSE Common 05/15/2023 Compensation for Past Services Issuer N 380 05/15/2023 Services Rendered Common 11/13/2020 Compensation for Past Services Issuer N 278 11/13/2020 Services Rendered Common 08/15/2019 Compensation for Past Services Issuer N 304 08/15/2019 Services Rendered Common 08/13/2021 Compensation for Past Services Issuer N 267 08/13/2021 Services Rendered Common 11/15/2021 Compensation for Past Services Issuer N 265 11/15/2021 Services Rendered Common 02/15/2023 Compensation for Past Services Issuer N 370 02/15/2023 Services Rendered Common 05/13/2022 Compensation for Past Services Issuer N 320 05/13/2022 Services Rendered Common 08/15/2022 Compensation for Past Services Issuer N 449 08/15/2022 Services Rendered Common 08/15/2023 Compensation for Past Services Issuer N 393 08/15/2023 Services Rendered Common 02/14/2020 Compensation for Past Services Issuer N 411 02/14/2020 Services Rendered Common 02/12/2021 Compensation for Past Services Issuer N 287 02/12/2021 Services Rendered Common 11/15/2019 Compensation for Past Services Issuer N 251 11/15/2019 Services Rendered Common 02/15/2022 Compensation for Past Services Issuer N 268 02/15/2022 Services Rendered Common 11/15/2022 Compensation for Past Services Issuer N 400 11/15/2022 Services Rendered Common 05/14/2021 Compensation for Past Services Issuer N 210 05/14/2021 Services Rendered Y 08/22/2024 /s/ Ernst N Csiszar