Entity type
Company
Filer Snapshot
MASTEC INC
CIK 0000015615. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
148
Latest filing
05 Jun 2026
Industry
Water, Sewer, Pipeline, Comm and Power Line Construction
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: Forms 3/4/5 owner position for AVCT. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
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No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
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Populates from the latest parsed 13F information table.
Open holding13D/G large stake
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No recent parsed 13D/G stake row for this CIK.
Browse 13D/GInsider / owner context
AVCT
08 Sep 2021
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Source: SEC Forms 3/4/5
View source filing
4 filed on 05 Jun 2026 for CIK 0000015615.
- Listed symbols
- MTZ on NYSE
- SEC industry group
- Water, Sewer, Pipeline, Comm and Power Line Construction (Office of Real Estate and Construction)
- Business address
- 800 S. Douglas Road, 10 Th Floor, Coral Gables, FL, 33134
- Incorporated in
- FL
- Fiscal year end
- 31 December
- Former names on EDGAR
- BURNUP & SIMS INC (to 13 May 1994)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields
EDGAR profile Static EDGAR fields kept behind disclosure so the main profile stays readable. 3 profile fields available
Filer intelligence
What SEC filings say about MASTEC INC
A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.
Quick read
- Forms 3/4/5 show insider context for AVCT.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Forms 3/4/5 insider context
AVCT
08 Sep 2021 ยท 10% owner
Latest update
What changed recently for MASTEC INC
Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
30 Apr 2026
Page type
Company facts
Latest period
Q1 2026
SEC-backed company facts were refreshed from filings filed on 30 Apr 2026.
Benchmark Context
Benchmark context for this company
MASTEC INC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.
Compared with
Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.
Why this is notable
Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.
- Latest company facts filing date: 30 Apr 2026.
- Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
- Open the facts page first if you want the cleanest path to verification.
Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.
SEC filing record
CIK 0000015615 filing coverage
Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.
SEC filings
148
First seen
18 May 2021
Latest filing
05 Jun 2026
Entity
Company
Observed form types
10-K
10-Q
3
4
4/A
5
Industry context: Water, Sewer, Pipeline, Comm and Power Line Construction.
Latest Filings
Showing the latest 12 of 148 SEC filings for MASTEC INC.
4
4 filing
- Filing date
- 05 Jun 2026
- Reporting date
- 03 Jun 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 May 2026
- Reporting date
- 15 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 May 2026
- Reporting date
- 15 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 May 2026
- Reporting date
- 15 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 May 2026
- Reporting date
- 15 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 May 2026
- Reporting date
- 15 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 19 May 2026
- Reporting date
- 15 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 06 May 2026
- Reporting date
- 04 May 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
10-Q
10-Q filing
- Filing date
- 30 Apr 2026
- Reporting date
- 31 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 17 Apr 2026
- Reporting date
- 17 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 27 Mar 2026
- Reporting date
- 25 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 20 Mar 2026
- Reporting date
- 18 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing