MTZ
MasTec, Inc.
NYSE · Industrials · Engineering & Construction · US
$237.19
+2.11%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-34.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 18, 2026 | Csiszar Ernst N · director | A-Award | 152 | $0.00 |
| Aug 18, 2026 | Dwyer Robert J · director | F-InKind | 31 | $298 |
| Aug 18, 2026 | Palomarez Javier Alberto · director | F-InKind | 31 | $298 |
| Aug 18, 2026 | JOHNSON JULIA L · director | A-Award | 139 | $0.00 |
| Aug 18, 2026 | Spiro Alex · director | A-Award | 139 | $0.00 |
| Aug 18, 2026 | Parker Ava L · director | F-InKind | 20 | $298 |
| Aug 18, 2026 | Csiszar Ernst N · director | F-InKind | 34 | $298 |
| Aug 18, 2026 | Dwyer Robert J · director | A-Award | 139 | $0.00 |
| Aug 18, 2026 | Campbell C Robert · director | A-Award | 139 | $0.00 |
| Aug 18, 2026 | Parker Ava L · director | A-Award | 177 | $0.00 |
| Aug 18, 2026 | Palomarez Javier Alberto · director | A-Award | 139 | $0.00 |
| Aug 18, 2026 | Miranda Manuel Benito · director | A-Award | 152 | $0.00 |
| Jun 5, 2026 | Csiszar Ernst N · director | Sale | 6,500 | $371 |
| May 19, 2026 | Palomarez Javier Alberto · director | A-Award | 95 | $0.00 |
| May 19, 2026 | Parker Ava L · director | F-InKind | 14 | $435 |
| May 19, 2026 | Csiszar Ernst N · director | F-InKind | 23 | $435 |
| May 19, 2026 | Dwyer Robert J · director | A-Award | 95 | $0.00 |
| May 19, 2026 | Parker Ava L · director | A-Award | 121 | $0.00 |
| May 19, 2026 | Campbell C Robert · director | A-Award | 95 | $0.00 |
| May 19, 2026 | Dwyer Robert J · director | F-InKind | 21 | $435 |
| May 19, 2026 | JOHNSON JULIA L · director | A-Award | 95 | $0.00 |
| May 19, 2026 | Csiszar Ernst N · director | A-Award | 104 | $0.00 |
| May 19, 2026 | Palomarez Javier Alberto · director | F-InKind | 21 | $435 |
| May 6, 2026 | Campbell C Robert · director | Sale | 3,000 | $417 |
| Apr 17, 2026 | Love Timothy Michael · officer: CAO | A-Award | 492 | $0.00 |
| Mar 27, 2026 | Palomarez Javier Alberto · director | Sale | 950 | $325 |
| Mar 20, 2026 | DiMarco Paul · officer: CFO | A-Award | 9,074 | $0.00 |
| Mar 20, 2026 | Apple Robert E · officer: COO | A-Award | 11,548 | $0.00 |
| Mar 20, 2026 | MAS JORGE · director | A-Award | 15,838 | $0.00 |
| Mar 20, 2026 | de Cardenas Alberto · officer: EVP, General Counsel | A-Award | 6,269 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 371Increased 582Reduced 568Sold out 73
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 7,638,487 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 7,309,609 | May 13, 2026 |
| PECONIC PARTNERS LLC | Increased | 3,678,431 | Aug 14, 2026 |
| PECONIC PARTNERS LLC | Increased | 3,578,431 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2,831,849 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,812,131 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,804,295 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2,770,038 | May 8, 2026 |
| STATE STREET CORP | Increased | 2,244,771 | Aug 7, 2026 |
| Hill City Capital, LP | Unchanged | 2,155,000 | Aug 17, 2026 |
| HILL CITY CAPITAL, LP | Unchanged | 2,155,000 | May 15, 2026 |
| STATE STREET CORP | Increased | 1,869,788 | May 15, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | Reduced | 1,592,523 | May 15, 2026 |
| LONE PINE CAPITAL LLC | New Position | 1,531,050 | May 15, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 1,411,584 | May 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 18, 2026