---
schema_version: "secwatch.filing_event.v1"
accession: "0000866273-21-000086"
form_type: "8-K"
ticker: "MTRX"
cik: "0000866273"
company_name: "MATRIX SERVICE CO"
filed_at: "2021-09-13T23:59:59+00:00"
generated_at: "2026-06-29T04:22:03.472039+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Matrix Service Q4 revenue $174.9M, net loss $10.7M; backlog $462.6M

## Summary
- Q4 revenue up 18% sequentially to $174.9M; full-year revenue $673.4M.
- Net loss of $10.7M ($0.40 loss per share) due to $6.6M project cost reduction in Utility & Power and $2.9M customer settlement in Storage & Terminal.
- Project awards totaled $99.1M in Q4; backlog $462.6M at June 30, 2021; book-to-bill 0.6.
- Strong balance sheet: $83.9M cash, no debt. Entered new $100M asset-backed credit facility on Sept 9, 2021.
- Awards accelerating in early fiscal 2022; management expects improving backlog and clean energy market tailwinds.

## SEC filing metadata
- accession: 0000866273-21-000086
- form_type: 8-K
- ticker: MTRX
- cik: 0000866273
- company_name: MATRIX SERVICE CO
- filed_at: 2021-09-13T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866273/000086627321000086/0000866273-21-000086-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866273/000086627321000086/mtrx-20210913.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000866273-21-000086
- JSON: https://secwatch.observer/filing/0000866273-21-000086.json
- Plain text: https://secwatch.observer/filing/0000866273-21-000086.txt

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