---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-022631"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2024-02-29T23:59:59+00:00"
generated_at: "2026-06-05T06:45:09.293881+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Montrose Environmental reports record FY23 revenue $624M, net loss $30.9M; guides FY24 revenue $675-725M

## Summary
- Revenue $624.2M (+14.7% YoY); organic growth 2%; record cash from ops $56M.
- Net loss $30.9M ($1.57/share) vs $31.8M loss prior year; Adjusted EBITDA $78.6M (+18.7%).
- Q4 revenue $165.7M (+18.8%); adjusted EBITDA $17.5M vs $17.8M prior year.
- FY2024 outlook: revenue $675-725M, Adj. EBITDA $90-95M, expects low double-digit organic growth.
- Two acquisitions (Epic Environmental, Two Dot) closed in Jan/Feb 2024; $60M preferred stock redeemed Jan 2024.

## SEC filing metadata
- accession: 0000950170-24-022631
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2024-02-29T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1643615/000095017024022631/0000950170-24-022631-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000095017024022631/meg-20240229.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-022631
- JSON: https://secwatch.observer/filing/0000950170-24-022631.json
- Plain text: https://secwatch.observer/filing/0000950170-24-022631.txt

## Key facts
- Earnings Releases
  Onterris, Inc. reported fourth quarter ended December 31, 2023 results: revenue $165.7 million, net income $(1.4) million, EPS $(0.18).
  - Period: fourth quarter ended December 31, 2023
  - Revenue: $165.7 million
  - Net income: $(1.4) million
  - EPS: $(0.18)
  - Result: reported results
  source text: Total revenue in the fourth quarter of 2023 was $165.7 million compared to $139.5 million in the prior year quarter, an increase of 18.8%.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1643615/000095017024022631/0000950170-24-022631-index.htm
- Earnings Releases
  Onterris, Inc. reported full year ended December 31, 2023 results: revenue $624.2 million, net income $(30.9) million, EPS $(1.57).
  - Period: full year ended December 31, 2023
  - Revenue: $624.2 million
  - Net income: $(30.9) million
  - EPS: $(1.57)
  - Result: reported results
  source text: Adjusted EBITDA 1 as a percentage of revenues was driven primarily by the acquisition of Matrix. Full Year 2023 Results Total revenue in the full year 2023 increased 14.7% to $624.2 million compared to $544.4 million in the prior year. The increase in revenues was primarily due to 24.3% organic growth in the Assessment, Permitting and Response segment, 1
  evidence_url: https://www.sec.gov/Archives/edgar/data/1643615/000095017024022631/0000950170-24-022631-index.htm

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