---
schema_version: "secwatch.filing_event.v1"
accession: "0001606163-22-000007"
form_type: "8-K"
ticker: "LMB"
cik: "0001606163"
company_name: "Limbach Holdings, Inc."
filed_at: "2022-05-10T23:59:59+00:00"
generated_at: "2026-06-25T21:43:04.142383+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Limbach Holdings Q1 net loss narrows to $1.5M; Adj EBITDA rises 65.5%; issues FY22 guidance

## Summary
- Q1 revenue $114.8M (+1.3% YoY); gross margin expanded to 16.0% from 15.2%.
- Net loss $1.5M ($0.15 loss per share) vs $2.3M loss ($0.25) a year ago; adjusted EBITDA $3.4M (+65.5%).
- ODR segment revenue surged 50.3% to $42.9M; ODR contributed 54.4% of consolidated gross profit.
- Total backlog $447.6M at Mar 31, up $12.4M from Dec 31; FY22 revenue guidance $510M–$540M; Adj EBITDA $25M–$29M.
- Also entered first amendment to Wintrust credit agreement adjusting EBITDA, debt definitions for restructuring, lease costs.

## SEC filing metadata
- accession: 0001606163-22-000007
- form_type: 8-K
- ticker: LMB
- cik: 0001606163
- company_name: Limbach Holdings, Inc.
- filed_at: 2022-05-10T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1606163/000160616322000007/0001606163-22-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1606163/000160616322000007/lmb-20220505.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001606163-22-000007
- JSON: https://secwatch.observer/filing/0001606163-22-000007.json
- Plain text: https://secwatch.observer/filing/0001606163-22-000007.txt

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