---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-054601"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2024-05-07T23:59:59+00:00"
generated_at: "2026-06-02T18:48:36.640056+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Montrose Q1 revenue $155.3M (+18% YoY); Adj. EBITDA $16.9M; net loss $0.53/sh

## Summary
- Record Q1 revenue of $155.3M, up 18.2% YoY, driven by organic growth and acquisitions.
- Net loss of $13.4M ($0.53 per share); adjusted net income of $8.4M ($0.16 per share).
- Consolidated Adjusted EBITDA $16.9M vs $16.6M prior year; margin declined due to Matrix seasonality.
- Completed $60M Series A-2 preferred stock redemption, amended credit facility adding $100M availability, and $122.4M public offering in April.
- Reiterated FY2024 guidance: revenue $690-740M, Adj. EBITDA $95-100M; executed three accretive acquisitions.

## SEC filing metadata
- accession: 0000950170-24-054601
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2024-05-07T23:59:59+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/1643615/000095017024054601/0000950170-24-054601-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000095017024054601/meg-20240507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-054601
- JSON: https://secwatch.observer/filing/0000950170-24-054601.json
- Plain text: https://secwatch.observer/filing/0000950170-24-054601.txt

## Key facts
- Earnings Releases
  Onterris, Inc. reported the first quarter ended March 31, 2024 results: revenue $155.3 million, net income $13.4 million, EPS $0.53. Guidance reaffirmed.
  - Period: the first quarter ended March 31, 2024
  - Revenue: $155.3 million
  - Net income: $13.4 million
  - EPS: $0.53
  - Guidance: reaffirmed
  - Result: reported results
  source text: reference in such filing. --- EX-99.1 (EX-99.1) --- EX-99.1 Exhibit 99.1 MONTROSE ENVIRONMENTAL GROUP ANNOUNCES FIRST QUARTER 2024 RESULTS - Record First Quarter Revenue of $155.3 Million, up 18% Year-Over-Year - - Net Loss of $13.4 million; Basic and Diluted Net Loss Per Share of $0.53 - - Record First Quarter Consolidated Adjusted EBITDA 1 of $16.9 Million - -
  evidence_url: https://www.sec.gov/Archives/edgar/data/1643615/000095017024054601/0000950170-24-054601-index.htm

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