---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-238354"
form_type: "8-K"
ticker: "MTZ"
cik: "0000015615"
company_name: "MASTEC INC"
filed_at: "2022-09-06T23:59:59+00:00"
generated_at: "2026-06-23T15:19:47.760634+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MasTec and IEA HSR waiting period expires; deal expected to close October 2022

## Summary
- Expiration of HSR waiting period removes one condition for MasTec's acquisition of IEA.
- Transaction expected to close in October 2022, subject to IEA stockholder approval and other conditions.
- MasTec (NYSE: MTZ) and IEA (NASDAQ: IEA) jointly announced the milestone.
- No financial terms revised; remaining customary closing conditions still need to be met.

## SEC filing metadata
- accession: 0001193125-22-238354
- form_type: 8-K
- ticker: MTZ
- cik: 0000015615
- company_name: MASTEC INC
- filed_at: 2022-09-06T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/15615/000119312522238354/0001193125-22-238354-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/15615/000119312522238354/d382431d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-238354
- JSON: https://secwatch.observer/filing/0001193125-22-238354.json
- Plain text: https://secwatch.observer/filing/0001193125-22-238354.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.