---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-022896"
form_type: "8-K"
ticker: "MEC"
cik: "0001766368"
company_name: "Mayville Engineering Company, Inc."
filed_at: "2026-03-03T23:59:59+00:00"
generated_at: "2026-05-15T22:18:40.390779+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# MEC posts Q4 net loss $4.4M; forecasts Q1 adj. EBITDA $5-7M vs $12.2M prior year

## Summary
- Net sales $134.3M (+10.7% y/y); full-year sales $546.5M (-6.0% y/y).
- Q4 net loss $4.4M ($0.22 diluted EPS) vs net income $16.0M in Q4 2024 (includes $25.5M litigation gain).
- Q4 Adjusted EBITDA $6.3M (4.7% margin) vs $9.2M (7.6%) prior year; FY adj. EBITDA $47.1M.
- Data Center & Critical Power Q4 sales $20.4M (from $4.3M); $15M incremental awards secured.
- Q1 2026 guidance: net sales $137-143M, adj. EBITDA $5-7M; FY 2026 adj. EBITDA $50-60M.

## SEC filing metadata
- accession: 0001104659-26-022896
- form_type: 8-K
- ticker: MEC
- cik: 0001766368
- company_name: Mayville Engineering Company, Inc.
- filed_at: 2026-03-03T23:59:59+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/1766368/000110465926022896/0001104659-26-022896-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1766368/000110465926022896/tmb-20260303x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-022896
- JSON: https://secwatch.observer/filing/0001104659-26-022896.json
- Plain text: https://secwatch.observer/filing/0001104659-26-022896.txt

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