---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-001705"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2025-01-06T23:59:59+00:00"
generated_at: "2026-05-28T10:48:37.820300+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Montrose cancels unvested 2021 SARs for executives, agrees to amend severance plan

## Summary
- Board approved cancellation of unvested stock appreciation rights granted Dec 16, 2021 to named executive officers and other executives.
- Cancellation effective Dec 31, 2024; voluntary and not in exchange for any other equity or cash compensation.
- In consideration, Company agreed to make future amendments to its executive severance plan.
- No new equity or cash awards were issued in connection with the cancellation.

## SEC filing metadata
- accession: 0000950170-25-001705
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2025-01-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1643615/000095017025001705/0000950170-25-001705-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000095017025001705/meg-20241231.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-001705
- JSON: https://secwatch.observer/filing/0000950170-25-001705.json
- Plain text: https://secwatch.observer/filing/0000950170-25-001705.txt

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