# EDGAR Filing Document

**Accession Number:** 0001643615
**File Stem:** 0001193125-26-121837
**Filing Date:** 2026-3
**Character Count:** 1154
**Document Hash:** 0b07afdb2519035d70478ab5e53ece96
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-121837.hdr.sgml**: 20260324

**ACCESSION NUMBER**: 0001193125-26-121837

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260324

**DATE AS OF CHANGE**: 20260324

**EFFECTIVENESS DATE**: 20260324

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Montrose Environmental Group, Inc.
- **CENTRAL INDEX KEY:** 0001643615
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 464195044
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39394
- **FILM NUMBER:** 26786368

**BUSINESS ADDRESS:**
- **STREET 1:** 4 PARK PLAZA, SUITE 790
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92614
- **BUSINESS PHONE:** (949) 988-3500

**MAIL ADDRESS:**
- **STREET 1:** 4 PARK PLAZA, SUITE 790
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92614

### Attached PDF Documents

**Attachment 1:** `2025_10k_ars.pdf`

_No text found in this document._