---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-008526"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2022-05-09T23:59:59+00:00"
generated_at: "2026-06-25T22:26:37.540699+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Montrose Q1 revenue $134.7M (+0.6% YoY); net loss narrows to $7.5M; reaffirms FY2022 guidance

## Summary
- Revenue $134.7M (up 0.6% YoY); growth driven by Water, Renewable Energy, GHG services; COVID-19-related revenue declined.
- Net loss $7.5M (vs loss $12.9M YoY); net loss margin improved to (5.6)% from (9.7)%.
- Adjusted EBITDA $16.5M vs $16.8M YoY; Total Operating Segments Adjusted EBITDA margin expanded to 17.8%.
- Reiterates FY2022 guidance: revenue $520M-$570M; Adjusted EBITDA $73M-$78M.
- Acquired Environmental Standards in Jan 2022; liquidity $218.8M including $93.8M cash.

## SEC filing metadata
- accession: 0000950170-22-008526
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2022-05-09T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1643615/000095017022008526/0000950170-22-008526-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000095017022008526/meg-20220509.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-008526
- JSON: https://secwatch.observer/filing/0000950170-22-008526.json
- Plain text: https://secwatch.observer/filing/0000950170-22-008526.txt

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