---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-264811"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2025-11-04T23:59:59+00:00"
generated_at: "2026-05-17T00:38:46.349249+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Montrose Q3 revenue +25.9% to $224.9M, Adj EBITDA +18.9% to $33.7M; raises FY guidance

## Summary
- Q3 revenue $224.9M (+25.9% YoY); net income $8.4M ($0.21 EPS) vs net loss $10.6M ($0.39 LPS) a year ago.
- Adj EBITDA $33.7M (+18.9%); margin 15.0% down 80bps on higher bonus costs, offset by segment operating leverage.
- First nine months revenue $637.3M (+25.6%), Adj EBITDA $92.3M (+34.6%), net income improved to $7.4M from loss.
- Raised FY2025 revenue guidance to $810-$830M and Adj EBITDA to $112-$118M; prelim FY2026 Adj EBITDA at or above $125M.

## SEC filing metadata
- accession: 0001193125-25-264811
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2025-11-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1643615/000119312525264811/0001193125-25-264811-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000119312525264811/meg-20251104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-264811
- JSON: https://secwatch.observer/filing/0001193125-25-264811.json
- Plain text: https://secwatch.observer/filing/0001193125-25-264811.txt

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