---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-006702"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2025-01-17T23:59:59+00:00"
generated_at: "2026-05-27T23:15:23.075434+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Montrose Environmental to redeem $60M of Series A-2 Preferred for cash by April 13, 2025

## Summary
- Received conversion notice from holder OCM Montrose II Holdings for $60M stated value of A-2 Preferred.
- Company elects to redeem for cash instead of issuing common stock.
- Expects to pay $60M by April 13, 2025 from cash on hand and debt.
- After redemption, approximately $62.2M of A-2 Preferred will remain outstanding.

## SEC filing metadata
- accession: 0000950170-25-006702
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2025-01-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.04
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1643615/000095017025006702/0000950170-25-006702-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000095017025006702/meg-20250113.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-006702
- JSON: https://secwatch.observer/filing/0000950170-25-006702.json
- Plain text: https://secwatch.observer/filing/0000950170-25-006702.txt

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