---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-335022"
form_type: "8-K"
ticker: "ONT"
cik: "0001643615"
company_name: "Onterris, Inc."
filed_at: "2026-08-05T20:04:16+00:00"
generated_at: "2026-08-05T20:05:11.594590+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Onterris Q2 revenue down 20% to $186.7M; cuts FY guidance; launches strategic review and rights plan

## Summary
- Q2 revenue $186.7M (down 20% YoY); net income $1.4M ($0.04 EPS) vs $18.4M ($0.42 EPS) prior year.
- Adjusted EBITDA $31.9M (17.1% margin) vs $39.6M (16.9% margin); Adj EPS $0.51 vs $0.60.
- FY2026 guidance cut: revenue $740M-$790M (from $840M-$900M); Adj EBITDA $117M-$120M (from $125M-$130M).
- Board-led strategic review of alternatives including potential sale; adopted one-year rights plan due to undisclosed share accumulation.
- H1 2026 share repurchases of 1.6M shares for $30M; expects year-end leverage ~2.5x.

## SEC filing metadata
- accession: 0001193125-26-335022
- form_type: 8-K
- ticker: ONT
- cik: 0001643615
- company_name: Onterris, Inc.
- filed_at: 2026-08-05T20:04:16+00:00
- event_type: earnings
- sentiment: negative
- 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/1643615/000119312526335022/0001193125-26-335022-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1643615/000119312526335022/ont-20260805.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-335022
- JSON: https://secwatch.observer/filing/0001193125-26-335022.json
- Plain text: https://secwatch.observer/filing/0001193125-26-335022.txt

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