---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-064802"
form_type: "8-K"
ticker: "MEC"
cik: "0001766368"
company_name: "Mayville Engineering Company, Inc."
filed_at: "2026-05-21T10:30:12+00:00"
generated_at: "2026-05-21T10:36:04.279924+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mayville Engineering prices upsized $86.9M common stock offering; underwriters exercise option

## Summary
- Priced 4,348,000 shares at $20.00/share; gross proceeds $86.9M before expenses.
- Underwriters fully exercised 30-day option for 652K additional shares; total net proceeds ~$93.9M.
- Net proceeds to reduce revolver borrowings (incl. Accu-fab acquisition debt), capex, and working capital.
- Offering expected to close May 21, 2026; lead managers William Blair and Craig-Hallum.

## SEC filing metadata
- accession: 0001104659-26-064802
- form_type: 8-K
- ticker: MEC
- cik: 0001766368
- company_name: Mayville Engineering Company, Inc.
- filed_at: 2026-05-21T10:30:12+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1766368/000110465926064802/0001104659-26-064802-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1766368/000110465926064802/tmb-20260519x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-064802
- JSON: https://secwatch.observer/filing/0001104659-26-064802.json
- Plain text: https://secwatch.observer/filing/0001104659-26-064802.txt

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