---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-122380"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2024-11-06T23:59:59+00:00"
generated_at: "2026-05-30T04:36:24.256026+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Montrose Environmental Q3 revenue $178.7M (+6.4% YoY), Adj EBITDA $28.3M (+21.5%), reaffirms FY guidance

## Summary
- Record Q3 revenue $178.7M, net loss $10.6M ($0.39 LPS), but Adjusted Net Income $19.1M ($0.41 Adj EPS vs $0.31 prior year).
- Record Q3 Consolidated Adjusted EBITDA $28.3M, margin 15.8%, up 21.5% YoY from $23.3M.
- Reaffirms FY2024 revenue guidance $690M-$740M and Consolidated Adjusted EBITDA $95M-$100M.
- COO Joshua LeMaire steps down Dec 31, 2024; becomes Senior Advisor from Jan 1, 2025 with reduced compensation.
- Near-term capital priority: redeem preferred equity and delever; acquisitions de-emphasized; focus on cash flow.

## SEC filing metadata
- accession: 0000950170-24-122380
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2024-11-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1643615/000095017024122380/0000950170-24-122380-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000095017024122380/meg-20241106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-122380
- JSON: https://secwatch.observer/filing/0000950170-24-122380.json
- Plain text: https://secwatch.observer/filing/0000950170-24-122380.txt

## Key facts
- Executive change
  Joshua LeMaire changed role as Chief Operating Officer at Onterris, Inc..
  - Action: stepped down
  - Role: Chief Operating Officer
  source text: On October 31, 2024, Joshua LeMaire, Chief Operating Officer, notified the Company of his decision to step down as Chief Operating Officer effective December 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1643615/000095017024122380/0000950170-24-122380-index.htm

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