---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-008138"
form_type: "8-K"
ticker: "MEC"
cik: "0001766368"
company_name: "Mayville Engineering Company, Inc."
filed_at: "2022-03-02T23:59:59+00:00"
generated_at: "2026-06-27T02:31:05.534265+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Mayville Engineering Q4 net loss $13.6M on $16.9M impairment; full-year sales up 27% to $454.8M

## Summary
- Net sales Q4 $113.0M (+19% YoY); FY $454.8M (+27% YoY).
- Net loss Q4 $13.6M includes $16.9M impairment from fitness customer zero-demand notice.
- Adjusted EBITDA Q4 $9.2M (8.1% margin); FY $46.2M (10.2% margin).
- 2022 outlook: net sales $480-530M, adj. EBITDA $58-70M, assumes no fitness revenue.
- Impairment charge of $16.9M on Hazel Park, MI facility assets specific to fitness customer.

## SEC filing metadata
- accession: 0001564590-22-008138
- form_type: 8-K
- ticker: MEC
- cik: 0001766368
- company_name: Mayville Engineering Company, Inc.
- filed_at: 2022-03-02T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1766368/000156459022008138/0001564590-22-008138-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1766368/000156459022008138/mec-8k_20220301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-008138
- JSON: https://secwatch.observer/filing/0001564590-22-008138.json
- Plain text: https://secwatch.observer/filing/0001564590-22-008138.txt

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