---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-052611"
form_type: "8-K"
ticker: "LMB"
cik: "0001606163"
company_name: "Limbach Holdings, Inc."
filed_at: "2026-08-04T20:20:38+00:00"
generated_at: "2026-08-04T20:22:34.968948+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Limbach Q2 revenue up 22% to $173.5M but net income down 39%; acquires CYMCOR for $30M

## Summary
- Q2 revenue $173.5M (+21.9% YoY), net income $4.7M ($0.39 diluted EPS) vs $7.8M ($0.64) prior year.
- Adjusted EBITDA $13.9M vs $17.9M prior year; full-year guidance revised: revenue $760-790M (up), Adj. EBITDA $78-84M (down from $90-94M).
- Acquired CYMCOR for $30M cash/debt; CYMCOR expected to contribute ~$12M revenue and $4M adjusted EBITDA in 2027.
- ODR revenue 74% of total; bookings $182M with 1.1x book-to-bill.
- Gross margin fell to 21.5% from 28.0% due to Pioneer Power integration and project timing.

## SEC filing metadata
- accession: 0001628280-26-052611
- form_type: 8-K
- ticker: LMB
- cik: 0001606163
- company_name: Limbach Holdings, Inc.
- filed_at: 2026-08-04T20:20:38+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1606163/000162828026052611/0001628280-26-052611-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1606163/000162828026052611/lmb-20260804.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-052611
- JSON: https://secwatch.observer/filing/0001628280-26-052611.json
- Plain text: https://secwatch.observer/filing/0001628280-26-052611.txt

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