---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-007638"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2022-02-28T23:59:59+00:00"
generated_at: "2026-06-27T03:41:04.072368+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Montrose Environmental FY2021 revenue $546.4M (+66.5%), net loss narrows; issues FY2022 outlook

## Summary
- FY2021 revenue $546.4M (+66.5% YoY); organic growth 37% (incl. CTEH) or 17% (excl. CTEH).
- FY2021 net loss $25.3M vs $57.9M loss in 2020; Adjusted EBITDA $77.6M (+42.5%).
- Q4 revenue $143.8M (+32.2%); Adjusted EBITDA $18.4M (flat YoY); net loss $1.5M.
- Acquired Environmental Standards, Inc. in Jan 2022; entered interest rate swap on $100M at 1.39% to Jan 2025.
- FY2022 guidance: revenue $520-570M, Adjusted EBITDA $73-78M; CTEH revenue expected >$100M.

## SEC filing metadata
- accession: 0001564590-22-007638
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2022-02-28T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1643615/000156459022007638/0001564590-22-007638-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000156459022007638/meg-8k_20220228.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-007638
- JSON: https://secwatch.observer/filing/0001564590-22-007638.json
- Plain text: https://secwatch.observer/filing/0001564590-22-007638.txt

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