---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-21-016824"
form_type: "8-K"
ticker: "LMB"
cik: "0001606163"
company_name: "Limbach Holdings, Inc."
filed_at: "2021-08-12T23:59:59+00:00"
generated_at: "2026-06-29T13:04:41.961182+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Limbach Q2 rev $121M (-10.5% YoY), EPS $0.07; guidance tightened to $480-510M rev, $23-25M Adj EBITDA

## Summary
- Consolidated revenue $121.0M, down 10.5% YoY; diluted EPS $0.07 vs $0.37 YoY.
- Gross margin improved to 15.4% from 15.0% YoY; ODR revenue up 14.4% to $33.5M.
- Adjusted EBITDA fell to $3.6M from $8.1M due to higher SG&A and lower GCR gross profit.
- FY2021 guidance: revenue $480-510M (from $480-520M), Adj EBITDA $23-25M (from $23-27M).
- Backlog $439.5M; no revolver borrowings, term loan $28.0M at quarter end.

## SEC filing metadata
- accession: 0001628280-21-016824
- form_type: 8-K
- ticker: LMB
- cik: 0001606163
- company_name: Limbach Holdings, Inc.
- filed_at: 2021-08-12T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1606163/000162828021016824/0001628280-21-016824-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1606163/000162828021016824/form8-k1q10q8x12x2021.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-21-016824
- JSON: https://secwatch.observer/filing/0001628280-21-016824.json
- Plain text: https://secwatch.observer/filing/0001628280-21-016824.txt

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