Mastec Inc (MTZ) Insider Ownership

Historic Insider Ownership Trends

Mastec's top three insider shareholders as of March 23, 2026 are Jorge Mas (Director, 4.56Mn shares), Jose Ramon Mas (Ceo, 3.26Mn shares), Robert E Apple (Coo, 184.25K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jorge Mas 4,556,686 0 20 Mar, 2026
Jose Ramon Mas Ceo 3,254,461 0 20 Mar, 2026
Robert E Apple Coo 183,591 0 20 Mar, 2026
George Pita Cfo 156,475 0 21 Mar, 2023
Cardenas Alberto De Evp, General Counsel 102,780 0 20 Mar, 2026
Paul Dimarco Cfo 66,627 0 20 Mar, 2026
Robert E Apple Coo 0 11,946 06 Nov, 2023
Javier Alberto Palomarez 11,542 0 18 Feb, 2026
Paul Dimarco Cfo 0 9,895 06 Nov, 2023
Cardenas Alberto De Evp, General Counsel 0 7,966 06 Nov, 2023
Ava L Parker 5,285 0 18 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
18 Mar, 2026 Cardenas Alberto De Common Stock A 6,269 $0.00 102,780 D A
18 Mar, 2026 Jose Ramon Mas Common Stock A 26,397 $0.00 3,254,461 D A
18 Mar, 2026 Paul Dimarco Common Stock A 9,074 $0.00 66,627 D A
18 Mar, 2026 Jorge Mas Common Stock A 15,838 $0.00 4,556,686 D A
18 Mar, 2026 Robert E Apple Common Stock A 11,548 $0.00 183,591 D A
10 Mar, 2026 Cardenas Alberto De Common Stock D 4,838 $297.81 96,511 D F
10 Mar, 2026 Jorge Mas Common Stock D 15,958 $297.81 4,540,848 D F
10 Mar, 2026 Robert E Apple Common Stock D 12,206 $297.81 172,043 D F
10 Mar, 2026 Jose Ramon Mas Common Stock D 28,184 $297.81 3,228,064 D F
13 Feb, 2026 Javier Alberto Palomarez Common Stock A 154 $0.00 11,576 D A
13 Feb, 2026 Ava L Parker Common Stock A 195 $0.00 5,307 D A
13 Feb, 2026 Javier Alberto Palomarez Common Stock D 34 $269.53 11,542 D F
13 Feb, 2026 Ava L Parker Common Stock D 22 $269.53 5,285 D F
14 Nov, 2025 Javier Alberto Palomarez Common Stock A 215 $0.00 11,470 D A
14 Nov, 2025 Ava L Parker Common Stock A 274 $0.00 5,143 D A
14 Nov, 2025 Ava L Parker Common Stock D 31 $192.22 5,112 D F
14 Nov, 2025 Javier Alberto Palomarez Common Stock D 48 $192.22 11,422 D F
10 Oct, 2025 Paul Dimarco Common Stock D 2,925 $210.09 57,553 D F
18 Sep, 2025 Robert E Apple Common Stock D 9,900 $200.43 184,349 D S
18 Sep, 2025 Robert E Apple Common Stock D 100 $201.06 184,249 D S